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IXD2111A211PR

型号：

IXD2111A211PR

品牌：

IXYS[ IXYS CORPORATION ]

页数：

34 页

PDF大小：

1962 K

下载PDF手册
IXD2110/IXD2111  
Step-Up DC/DC Converter / Controller  
step-up operation by using only an inductor, a  
capacitor, and a diode connected externally.  
FEATURES  
o
o
Operating Input Voltage Range: 0.9V ~ 10.0V  
Output Voltage Range: 1.5V~7.0V with (0.1V  
increments, accuracy ±2.5%)  
The IXD2110/111B, D, and F versions can be used  
with an external transistor for applications requiring  
larger currents.  
o
o
Maximum Oscillation Frequency: 100 kHz  
(180kHz for the IXD2111)  
Built-in Switching NMOSFET (A/C/E type) or  
External Transistor (B/D/F type)  
Output voltage is internally programmed in a range  
from 1.5V to 7.0V in increments of 0.1V (accuracy  
± 2.5%).  
o
o
Low Operating Supply Current: 2.0µA  
Small Package: SOT-23 & SOT89 (for IXD2111  
series),SOT-25, USP-6C 8-pin 2 x 3 x 0.8 mm  
TDFN package  
Maximum oscillation frequency is set to 100 kHz for  
IXD2110/111 series. (At light loads, it is set to  
180 kHz for the IXD2111 series.)  
Options include products equipped with a CE pin (C  
and D versions) that allows the IC to be shut down,  
thereby reducing supply current, and with separated  
VDD/VOUT pins (E and F versions) to separate the  
power supply block and the output voltage detect  
block.  
APPLICATION  
o
o
o
Mobile phones  
Cameras, VCRs  
Various portable equipment  
With the IXD2110 series, maximum duty cycle is set  
to 75% (VDD = 3.3 V) making it suitable for use with  
large current operations. The IXD2111 series  
automatically switches duty ratio between 56% &  
75% (VDD = 3.3 V) to drop output ripple voltage, when  
it senses changes in load, It can support both large  
and small currents.  
DESCRIPTION  
The IXD2110/IXD2111 series is a group of PFM step-  
up DC/DC converter/controller ICs, designed to  
generate low supply voltage. The series is ideal for  
applications where a longer battery life is needed  
such as in portable communication equipment. With a  
The external transistor types (B/D/F types) designed  
for applications, which require larger currents.  
built-in 2.5  
Ω N-channel driver transistor, the  
IXD2110A/C/E and IXD2111A/C/E types provide a  
TYPICAL APPLICATION CIRCUIT  
TYPICAL PERFORMANCE CHARACTERISTIC  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
1
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
ABSOLUTE MAXIMUM RATINGS  
PARAMETER  
SYMBOL  
VOUT  
VLx  
RATINGS  
– 0.3 ~ 12.0  
– 0.3 ~ 12.0  
400  
UNITS  
VOUT Voltage  
V
V
Lx Pin Voltage  
Lx Pin Current  
ILx  
mA  
V
EXT Pin Voltage  
EXT Pin Current  
CE Input Voltage  
VDD Input Voltage  
VEXT  
IEXT  
VSS – 0.3 ~ VOUT + 0.3  
100  
mA  
V
VCE  
– 0.3 ~ 12.0  
– 0.3 ~ 12.0  
250  
VDD  
V
SOT-23, 25  
SOT-89  
Power Dissipation  
PD  
500  
mW  
USP-6C  
100  
Operating Temperature Range  
Storage Temperature Range  
TOPR  
TSTG  
– 40 ~ + 85  
– 55 ~ +125  
0C  
0C  
ELECTRICAL OPERATING CHARACTERISTICS  
IXD2111Axx1MR  
Ta = 25 0C  
PARAMETER  
Output Voltage  
SYMBOL  
CONDITIONS  
MIN.  
TYP.  
VOUT  
MAX.  
UNIT  
V
CIRCUIT  
VOUT  
∆Vout  
Connected to external components  
x 0.975  
x1.025  
Å
Output Voltage Temperature  
Characteristics  
Connected to external components  
± 100  
-
ppm/0C  
Å
Å
Å
- 40 0C ≤ Topr ≤ 85 0C  
Vout ꢀ ∆Topr  
VIN  
Maximum Input Voltage  
10  
-
-
V
V
IOUT = 1 mA,  
Connected to external components  
Operating Start Voltage  
VST1  
VST2  
VHLD  
0.8  
0.9  
Oscillation Start Voltage  
Operating Hold Voltage  
Applied 0.8 V to VOUT, Vpull = 1.0 V  
-
-
-
0.8  
-
V
V
Ç
Å
IOUT = 1 mA,  
0.7  
Connected to external components  
Input Current at No Load  
Supply Current 1 (*2)  
Supply Current 2  
IIN  
IDD1  
IOUT = 0 mA (*1)  
-
-
-
-
-
E1-1(*) E1-2(*)  
E2-1(*) E2-2(*)  
E3-1(*) E3-2(*)  
E4-1(*) E4-2(*)  
µA  
µA  
µA  
Ω
Å
Ç
Ç
Ç
Ç
Ç
Applied (output voltage x0.95) to VOUT  
Applied (output voltage + 0.5) to VOUT  
Same as ID D 1 , VLx = 0.4 V (*3)  
Same as IDD2, VLx = 7 V  
IDD2  
Lx Switch ON Resistance  
Lx Leak Current  
RSWON  
ILxL  
-
1
µA  
%
Duty Ratio  
DTY  
Same as IDD1, measure Lx waveform  
E7-1(*) E7-2(*) E7-3(*)  
IOUT = 1 mA, measure Lx ON time.  
Connect to external components  
Duty Ratio 2  
DTY2  
48  
85  
56  
64  
%
Å
Ç
Ç
Maximum Oscillation  
Frequency  
Maximum Oscillation  
Frequency 2  
MAXfOSC  
MAXfOSC2  
Same as ID D 1  
Same as IDD1  
100  
180  
115  
207  
kHz  
kHz  
153  
Same as IDD1, VLx when max oscillation  
frequency is more than double  
Lx Limit Voltage (*4)  
VLxLMT  
EFFI  
0.7  
-
-
1.1  
-
V
Ç
Å
Efficiency (*5)  
Connect to external components  
E8(*)  
%
Test condition: Unless otherwise specified, VIN = VOUT × 0.6, IOUT ≤ C1 (*), Vpull = 5.0 V  
NOTE:  
*1: XBS104S14R-G is used, reverse current IR < 1µA (when reverse voltage VR = 10 V is applied), in case of using selected parts.  
*2: Supply Current 1 is the value when the IC is constantly switching. In actual operation, the oscillator periodically switches, resulting in lower  
power consumption. Please refer to Input Current (IIN) under no load condition for the actual current, which is supplied from the input power  
supply (VIN).  
*3: Lx switch ON resistance can be calculated by (VLx x Rp) / (Vpull - VLx). * Change Vpull so that VLx will become 0.4 V.  
*4: The Lx limit voltage function becomes stable when VOUT is over 2.0 V.  
*5: EFFI = {[output voltage] × (output current)} / [(input voltage) × (input current)] ×100  
*6: Please be aware of the absolute maximum ratings of the external components.  
(*): Please refer to the charts.  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
2
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
ELECTRICAL OPERATING CHARACTERISTICS (Continued)  
IXD2111Bxx1MR  
Ta = 25 0C  
PARAMETER  
Output Voltage  
SYMBOL  
CONDITIONS  
MIN.  
TYP.  
VOUT  
MAX.  
UNIT  
V
CIRCUIT  
VOUT  
∆Vout  
Connected to external components  
x 0.975  
x1.025  
Ü
Output Voltage Temperature  
Characteristics  
Connected to external components  
± 100  
-
ppm/0C  
Ü
- 40 0C ≤ Topr ≤ 85 0C  
Vout ꢀ ∆Topr  
VIN  
Maximum Input Voltage  
10  
-
-
V
V
IOUT = 1 mA,  
Connected to external components  
Operating Start Voltage  
VST1  
VST2  
VHLD  
0.8  
0.9  
Ü
á
Ü
Oscillation Start Voltage  
Operating Hold Voltage  
Applied 0.8 V to VOUT  
-
-
0.8  
V
V
IOUT = 1 mA,  
Connected to external components  
0.7  
-
-
Supply Current 1 (*1)  
Supply Current 2  
IDD1  
IDD2  
Applied (output voltage x0.95) to VOUT  
Applied (output voltage + 0.5) to VOUT  
Same as ID D 1 , VEXT = VOUT - 0.4 V (*2)  
Same as IDD1, VEXT = 0.4 V (*3)  
-
-
-
-
E2-1(*) E2-2(*)  
E3-1(*) E3-2(*)  
E5-1(*) E5-2(*)  
E6-1(*) E6-2(*)  
µA  
µA  
Ω
á
á
Ç
Ç
á
EXT “H” ON Resistance  
EXT “L” ON Resistance  
Duty Ratio  
REXTH  
REXTL  
DTY  
Ω
Same as IDD1, measure Lx waveform  
E7-1(*) E7-2(*) E7-3(*)  
%
IOUT = 1 mA, measure Lx ON time.  
Connect to external components  
Duty Ratio 2  
DTY2  
48  
85  
56  
64  
%
Ü
á
á
Maximum Oscillation  
Frequency  
Maximum Oscillation  
Frequency 2  
MAXfOSC  
MAXfOSC2  
Same as ID D 1  
Same as IDD1  
100  
180  
115  
207  
kHz  
kHz  
153  
Same as IDD1, VLx when max oscillation  
frequency is more than double  
Lx Limit Voltage (*4)  
VLxLMT  
EFFI  
0.7  
-
-
1.1  
-
V
á
Ü
Efficiency (*5)  
Connect to external components  
E9(*)  
%
Test condition: Unless otherwise specified, VIN = VOUT × 0.6, IOUT ≤ C1 (*)  
NOTE:  
*1: Supply Current 1 is the value when the IC is constantly switching. In actual operation, the oscillator periodically switches, resulting in lower  
power consumption.  
*2: EXT ‘H’ ON resistance can be calculated by (0.4 x Rp) / (VEXT – Vpull). * Change Vpull so that VEXT will become VOUT - 0.4 V.  
*3: EXT ‘L’ ON resistance can be calculated by (VEXT x Rp) / (Vpull - VEXT). * Change Vpull so that VEXT will become 0.4 V.  
*4: EFFI = {[output voltage] × (output current)} / [(input voltage) × (input current)] ×100  
*5: Please be aware of the absolute maximum ratings of the external components.  
(*): Please refer to the charts.  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
3
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
ELECTRICAL OPERATING CHARACTERISTICS (Continued)  
IXD2110Cxx1MR, IXD2111Cxx1MR  
Ta = 25 0C  
PARAMETER  
Output Voltage  
SYMBOL  
CONDITIONS  
MIN.  
TYP.  
VOUT  
MAX.  
UNIT  
V
CIRCUIT  
VOUT  
∆Vout  
Connected to external components  
x 0.975  
x1.025  
Å
Output Voltage Temperature  
Characteristics  
Connected to external components  
± 100  
-
ppm/0C  
Å
Å
Å
- 40 0C ≤ Topr ≤ 85 0C  
Vout ꢀ ∆Topr  
VIN  
Maximum Input Voltage  
10  
-
-
V
V
IOUT = 1 mA,  
Connected to external components  
Operating Start Voltage  
VST1  
VST2  
VHLD  
0.8  
0.9  
Oscillation Start Voltage  
Operating Hold Voltage  
Applied 0.8 V to VOUT, Vpull = 1.0 V  
-
-
-
0.8  
-
V
V
Ç
Å
IOUT = 1 mA,  
0.7  
Connected to external components  
Input Current at No Load  
Supply Current 1 (*2)  
Supply Current 2  
IIN  
IDD1  
IOUT = 0 mA (*1)  
-
-
-
-
-
E1-1(*) E1-2(*)  
E2-1(*) E2-2(*)  
E3-1(*) E3-2(*)  
E4-1(*) E4-2(*)  
µA  
µA  
µA  
Ω
Å
Ç
Ç
Ç
Ç
Ç
Applied (output voltage x0.95) to VOUT  
Applied (output voltage + 0.5) to VOUT  
Same as ID D 1 , VLx = 0.4 V (*3)  
Same as IDD2, VLx = 7 V  
IDD2  
Lx Switch ON Resistance  
Lx Leak Current  
RSWON  
ILxL  
-
1
µA  
%
Duty Ratio  
DTY  
Same as IDD1, measure Lx waveform  
E7-1(*) E7-2(*) E7-3(*)  
IOUT = 1 mA, measure Lx ON time.  
Connect to external components  
Duty Ratio 2  
DTY2  
MAXfOSC  
MAXfOSC2  
VLxLMT  
48  
85  
56  
64  
115  
207  
1.1  
%
kHz  
kHz  
V
Å
Ç
Ç
Ç
Maximum Oscillation  
Frequency  
Maximum Oscillation  
Frequency 2  
Same as ID D 1  
Same as IDD1  
100  
180  
153  
Same as IDD1, VLx when max oscillation  
frequency is more than double  
Lx Limit Voltage (*4)  
0.7  
-
-
Efficiency (*5)  
EFFI  
ISTB  
Connect to external components  
Same as IDD1, VCE = 0 V  
E8(*)  
-
%
µA  
V
Å
Ñ
Ñ
Ñ
Ö
Ö
Standby Current  
CE “High” Voltage  
CE “Low” Voltage  
CE “High” Current  
CE “Low” Current  
0.50  
VCEH  
VCEL  
ICEH  
Same as IDD1, determine Lx oscillation  
Same as IDD1, determine Lx shutdown  
Same as IDD1, VCE = VOUT x 0.95  
Same as IDD1, VCE = 0 V  
0.75  
0.20  
0.25  
-0.25  
V
µA  
µA  
ICEL  
Test condition: Unless otherwise specified, connect CE to VOUT, VIN=VOUT × 0.6, IOUT ≤ C1 (*), Vpull = 5.0 V  
NOTE:  
*1: XBS104S14R-G is used, reverse current IR < 1 µA (when reverse voltage VR = 10 V is applied), in case of using selected parts.  
*2: Supply Current 1 is the value when the IC is constantly switching. In actual operation, the oscillator periodically switches, resulting in lower  
power consumption. Please refer to Input Current (IIN) under no load condition for the actual current, which is supplied from the input power  
supply (VIN).  
*3: Lx switch ON resistance can be calculated by (VLx x Rp) / (Vpull - VLx). * Change Vpull so that VLx will become 0.4 V.  
*4: The Lx. limit voltage function becomes stable when VOUT of the IXD2110/111 series is over 2.0 V.  
*5: EFFI = {[output voltage] × (output current)} / [(input voltage) × (input current)] ×100  
*6: Please be aware of the absolute maximum ratings of the external components.  
(*): Please refer to the charts.  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
4
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
ELECTRICAL OPERATING CHARACTERISTICS (Continued)  
IXD2110Dxx1MR, IXD2111Dxx1MR  
Ta = 25 0C  
PARAMETER  
Output Voltage  
SYMBOL  
CONDITIONS  
MIN.  
TYP.  
VOUT  
MAX.  
UNIT  
V
CIRCUIT  
VOUT  
∆Vout  
Connected to external components  
x 0.975  
x1.025  
Ü
Output Voltage Temperature  
Characteristics  
Connected to external components  
± 100  
-
ppm/0C  
Ü
- 40 0C ≤ Topr ≤ 85 0C  
Vout ꢀ ∆Topr  
VIN  
Maximum Input Voltage  
10  
-
-
V
V
IOUT = 1 mA,  
Connected to external components  
Operating Start Voltage  
VST1  
VST2  
VHLD  
0.8  
0.9  
Ü
á
Ü
Oscillation Start Voltage  
Operating Hold Voltage  
Applied 0.8 V to VOUT  
-
-
0.8  
V
V
IOUT = 1 mA,  
Connected to external components  
0.7  
-
-
Supply Current 1 (*1)  
Supply Current 2  
IDD1  
IDD2  
Applied (output voltage x0.95) to VOUT  
Applied (output voltage + 0.5) to VOUT  
Same as ID D 1 , VEXT = VOUT - 0.4 V (*2)  
Same as IDD1, VEXT = 0.4 V (*3)  
-
-
-
-
E2-1(*) E2-2(*)  
E3-1(*) E3-2(*)  
E5-1(*) E5-2(*)  
E6-1(*) E6-2(*)  
µA  
µA  
Ω
á
á
Ç
Ç
á
EXT “H” ON Resistance  
EXT “L” ON Resistance  
Duty Ratio  
REXTH  
REXTL  
DTY  
Ω
Same as IDD1, measure Lx waveform  
E7-1(*) E7-2(*) E7-3(*)  
%
IOUT = 1 mA, measure Lx ON time.  
Connect to external components  
Duty Ratio 2  
DTY2  
48  
85  
56  
64  
%
Ü
á
á
Maximum Oscillation  
Frequency  
Maximum Oscillation  
Frequency 2  
Efficiency (*5)  
MAXfOSC  
MAXfOSC2  
Same as ID D 1  
Same as IDD1  
100  
115  
207  
kHz  
kHz  
153  
-
180  
EFFI  
ISTB  
Connect to external components  
Same as IDD1, VCE = 0 V  
E9(*)  
-
%
µA  
V
Ü
Ö
à
à
Ö
Ö
Standby Current  
CE “High” Voltage  
CE “Low” Voltage  
CE “High” Current  
CE “Low” Current  
0.50  
VCEH  
VCEL  
ICEH  
Same as IDD1, determine Lx oscillation  
Same as IDD1, determine Lx shutdown  
Same as IDD1, VCE = VOUT x 0.95  
Same as IDD1, VCE = 0 V  
0.75  
0.20  
0.25  
-0.25  
V
µA  
µA  
ICEL  
Test condition: Unless otherwise specified, connect CE to VOUT, VIN=VOUT × 0.6, IOUT ≤ C1 (*)  
NOTE:  
*1: "Supply Current 1" is the value when the IC is constantly switching. In actual operation, the oscillator periodically switches, resulting in lower  
power consumption.  
*2: EXT “H” ON resistance can be calculated by (0.4 x Rp) / (VEXT - Vpull). * Change Vpull so that VEXT will become VOUT - 0.4 V.  
*3: EXT “L” ON resistance can be calculated by (VEXT x Rp) / (Vpull - VEXT). * Change Vpull so that VEXT will become 0.4 V.  
*4: EFFI = {[output voltage] × (output current)} / [(input voltage) × (input current)] ×100  
*5: Please be aware of the absolute maximum ratings of the external components.  
(*): Please refer to the charts.  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
5
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
ELECTRICAL OPERATING CHARACTERISTICS (Continued)  
IXD2110Exx1MR, IXD2111Exx1MR  
Ta = 25 0C  
PARAMETER  
Output Voltage  
SYMBOL  
CONDITIONS  
MIN.  
TYP.  
VOUT  
MAX.  
UNIT  
V
CIRCUIT  
VOUT  
∆Vout  
Connected to external components  
x 0.975  
x1.025  
Å
Output Voltage Temperature  
Characteristics  
Connected to external components  
± 100  
-
ppm/0C  
Å
Å
Å
- 40 0C ≤ Topr ≤ 85 0C  
Vout ꢀ ∆Topr  
VIN  
Maximum Input Voltage  
10  
-
-
V
V
IOUT = 1 mA,  
Connected to external components  
Operating Start Voltage  
VST1  
VST2  
VHLD  
0.8  
0.9  
Oscillation Start Voltage  
Operating Hold Voltage  
Applied 0.8 V to VOUT, Vpull = 1.0 V  
-
-
-
0.8  
-
V
V
Ç
Å
IOUT = 1 mA,  
0.7  
Connected to external components  
Input Current at No Load  
Supply Current 1 (*2)  
Supply Current 2  
IIN  
IDD1  
IOUT = 0 mA (*1)  
-
-
-
-
-
E1-1(*) E1-2(*)  
E2-1(*) E2-2(*)  
E3-1(*) E3-2(*)  
E4-1(*) E4-2(*)  
µA  
µA  
µA  
Ω
Å
Ç
Ç
Ç
É
Ç
Applied (output voltage x0.95) to VOUT  
Applied (output voltage + 0.5) to VOUT  
Same as ID D 1 , VLx = 0.4 V (*3)  
Same as IDD2, VLx = 7 V  
IDD2  
Lx Switch ON Resistance  
Lx Leak Current  
RSWON  
ILxL  
-
1
µA  
%
Duty Ratio  
DTY  
Same as IDD1, measure Lx waveform  
E7-1(*) E7-2(*) E7-3(*)  
IOUT = 1 mA, measure Lx ON time.  
Connect to external components  
Duty Ratio 2  
DTY2  
48  
85  
56  
64  
%
Å
Ç
Ç
Maximum Oscillation  
Frequency  
Maximum Oscillation  
Frequency 2  
MAXfOSC  
MAXfOSC2  
Same as ID D 1  
Same as IDD1  
100  
180  
115  
207  
kHz  
kHz  
153  
Same as IDD1, VLx when max oscillation  
frequency is more than double  
Lx Limit Voltage (*4)  
VLxLMT  
EFFI  
0.7  
-
-
1.1  
-
V
Ç
Å
Efficiency (*5)  
Connect to external components  
E8(*)  
%
Test condition: Unless otherwise specified, connect VDD to VOUT, VIN=VOUT × 0.6, IOUT ≤ C1 (*), Vpull = 5.0 V  
NOTE:  
*1: XBS104S14R-G is used; reverse current IR < 1 µA (when reverse voltage VR = 10 V is applied), in case of using selected parts.  
*2: "Supply Current 1" is the value when the IC is constantly switching. In actual operation, the oscillator periodically switches, resulting in lower  
power consumption. Please refer to Input Current (IIN) under no load condition for the actual current, which is supplied from the input power  
supply (VIN).  
*3: Lx switch ON resistance can be calculated by (VLx x Rp) / (Vpull - VLx). * Change Vpull so that VLx will become 0.4 V.  
*4: The Lx limit voltage function becomes stable when VOUT of the IXD2110/111 series is over 2.0 V.  
*5: EFFI = {[output voltage] × (output current)} / [(input voltage) × (input current)] ×100  
*6: When using VDD and VOUT separately, please, set the voltage range of VDD from 1.5 V to 10 V. The IC operates from VDD = 0.8 V, but output  
voltage and oscillation frequency will be stable when VDD = 1.5 V or more.  
*7: Please be aware of the absolute maximum ratings of the external components.  
(*): Please refer to the charts.  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
6
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
ELECTRICAL OPERATING CHARACTERISTICS (Continued)  
IXD2110Fxx1MR, IXD2111Fxx1MR  
Ta = 25 0C  
PARAMETER  
Output Voltage  
SYMBOL  
CONDITIONS  
MIN.  
TYP.  
VOUT  
MAX.  
UNIT  
V
CIRCUIT  
VOUT  
∆Vout  
Connected to external components  
x 0.975  
x1.025  
Ü
Output Voltage Temperature  
Characteristics  
Connected to external components  
± 100  
-
ppm/0C  
Ü
- 40 0C ≤ Topr ≤ 85 0C  
Vout ꢀ ∆Topr  
VIN  
Maximum Input Voltage  
10  
-
-
V
V
IOUT = 1 mA,  
Connected to external components  
Operating Start Voltage  
VST1  
VST2  
VHLD  
0.8  
0.9  
Ü
á
Ü
Oscillation Start Voltage  
Operating Hold Voltage  
Applied 0.8 V to VOUT  
-
-
-
0.8  
-
V
V
IOUT = 1 mA,  
Connected to external components  
0.7  
Supply Current 1 (*1)  
Supply Current 2  
IDD1  
IDD2  
Applied (output voltage x0.95) to VOUT  
Applied (output voltage + 0.5) to VOUT  
Same as ID D 1 , VEXT = VOUT - 0.4 V (*2)  
Same as IDD1, VEXT = 0.4 V (*3)  
-
-
-
-
E2-1(*) E2-2(*)  
E3-1(*) E3-2(*)  
E5-1(*) E5-2(*)  
E6-1(*) E6-2(*)  
µA  
µA  
Ω
á
á
Ç
Ç
á
EXT “H” ON Resistance  
EXT “L” ON Resistance  
Duty Ratio  
REXTH  
REXTL  
DTY  
Ω
Same as IDD1, measure Lx waveform  
E7-1(*) E7-2(*) E7-3(*)  
%
IOUT = 1 mA, measure Lx ON time.  
Connect to external components  
Duty Ratio 2  
DTY2  
48  
85  
56  
64  
%
Ü
á
Maximum Oscillation  
Frequency  
MAXfOSC  
Same as ID D 1  
100  
115  
kHz  
Maximum Oscillation  
Frequency 2  
Efficiency (*4)  
MAXfOSC2  
EFFI  
Same as IDD1  
153  
-
180  
207  
-
kHz  
%
á
Ü
Connect to external components  
E9(*)  
Test condition: Unless otherwise specified, connect VDD to VOUT, VIN = VOUT × 0.6, IOUT ≤C1 (*)  
NOTE:  
*1: "Supply Current 1" is the value when the IC is constantly switching. In actual operation, the oscillator periodically switches, resulting in lower  
power consumption.  
*2: EXT “H” ON resistance can be calculated by (0.4 x Rp) / (VEXT - Vpull). * Change Vpull so that VEXT will become VOUT - 0.4 V.  
*3: EXT “L” ON resistance can be calculated by (VEXT x Rp) / (Vpull - VEXT). * Change Vpull so that VEXT will become 0.4 V.  
*4: EFFI = {[output voltage] × (output current)} / [(input voltage) × (input current)] ×100  
*5: When using VDD and VOUT separately, please, set the voltage range of VDD from 1.5 V to 10 V. The IC operates from VDD = 0.8V, but output  
voltage and oscillation frequency will be stable when VDD = 1.5 V or more.  
*6: Please be aware of the absolute maximum ratings of the external components.  
(*): Please refer to the charts.  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
7
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
ELECTRICAL OPERATING CHARACTERISTICS (Continued)  
I
DD2, REXTH, REXTL, DTY CHART  
SYMBOL  
E2-1  
E2-2 E1-1  
E1-2 E3-1  
E3-2 E4-1  
E4-2 E5-1  
E5-2 E6-1  
E6-2  
EXT L  
Input Current  
Lx Switch  
EXT H  
ON Resistance  
(Ω)  
PARAMETER  
Supply Current 1  
(No Load)  
(µA)  
Supply Current 2  
ON Resistance  
ON Resistance  
UNIT  
SETTING  
VOLTAGE  
1.5  
(µA)  
IDD1  
(µA)  
IDD2  
(Ω)  
(Ω)  
REXTL  
IIN  
RSWON  
REXTH  
TYP.  
7.7  
8.0  
8.3  
8.6  
8.9  
9.3  
9.7  
MAX.  
15.1  
15.6  
16.2  
16.8  
17.5  
18.2  
18.9  
19.7  
20.6  
21.5  
22.5  
23.5  
24.5  
25.6  
26.8  
28.0  
29.3  
30.6  
31.9  
33.3  
34.8  
36.3  
37.9  
39.5  
41.1  
42.8  
44.5  
46.3  
48.2  
50.0  
52.0  
53.9  
56.0  
58.0  
60.1  
63.4  
64.7  
65.9  
67.1  
68.3  
69.5  
70.7  
72.0  
73.1  
74.3  
75.5  
76.8  
77.9  
79.1  
80.4  
81.6  
82.7  
84.0  
85.2  
86.4  
87.5  
TYP.  
MAX.  
TYP.  
1.9  
MAX.  
3.5  
TYP.  
MAX.  
TYP.  
MAX.  
TYP.  
MAX.  
1.6  
1.7  
1.8  
1.9  
2.0  
2.1  
2.2  
2.3  
2.4  
2.5  
2.6  
2.7  
2.8  
2.9  
3.0  
3.1  
3.2  
3.3  
3.4  
3.5  
3.6  
3.7  
3.8  
3.9  
4.0  
4.1  
4.2  
4.3  
4.4  
4.5  
4.6  
4.7  
4.8  
4.9  
5.0  
5.1  
5.2  
5.3  
5.4  
5.5  
5.6  
5.7  
5.8  
5.9  
6.0  
6.1  
6.2  
6.3  
6.4  
6.5  
6.6  
6.7  
6.8  
6.9  
7.0  
4.2  
6.3  
160  
240  
67  
101  
4.3  
8.6  
3.5  
3.2  
5.3  
4.8  
108  
91  
162  
137  
52  
45  
78  
68  
3.9  
4.0  
10.1  
10.5  
11.0  
11.5  
12.0  
12.5  
13.1  
13.7  
14.3  
15.0  
15.7  
16.4  
17.1  
17.8  
18.6  
19.4  
20.3  
21.1  
22.0  
22.9  
23.8  
24.8  
25.7  
26.7  
27.7  
28.8  
29.8  
30.9  
31.7  
32.3  
32.9  
33.5  
34.1  
34.7  
35.3  
36.0  
36.5  
37.1  
37.7  
38.4  
38.9  
39.5  
40.2  
40.8  
41.3  
42.0  
42.6  
43.2  
43.7  
4.4  
4.5  
8.8  
9.1  
2.0  
2.1  
4.1  
4.2  
4.6  
9.3  
2.8  
4.2  
70  
105  
38  
57  
4.7  
4.8  
9.5  
9.7  
4.3  
4.4  
2.2  
2.3  
2.4  
5.0  
10.0  
4.5  
5.1  
5.2  
10.2  
10.4  
4.6  
4.7  
2.5  
3.8  
59  
89  
33  
50  
5.3  
10.6  
4.8  
5.4  
5.5  
10.8  
11.1  
4.9  
5.0  
2.5  
5.6  
11.3  
5.1  
2.1  
3.2  
40  
60  
24  
36  
5.7  
5.8  
11.5  
11.7  
5.2  
5.3  
2.6  
2.7  
6.0  
12.0  
5.4  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
8
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
ELECTRICAL OPERATING CHARACTERISTICS (Continued)  
I
OUT, DTY, EFFI CHART  
SYMBOL  
C1  
E7-1  
E7-2  
E7-3  
E8  
E9  
EFFICIENCY  
IXD2111 IXD2110  
PARAMETER  
DUTY RATIO  
OUTPUT  
CURRENT  
(mA)  
IXD2110  
IXD2111  
UNIT  
SETTING  
VOLTAGE  
1.5  
(%)  
DTY  
TYP.  
(%)  
EFFI  
TYP.  
IO U T  
MIN.  
MAX.  
7.5  
1.6  
8.0  
1.7  
1.8  
1.9  
2.0  
2.1  
2.2  
2.3  
2.4  
2.5  
2.6  
2.7  
2.8  
2.9  
3.0  
3.1  
3.2  
3.3  
3.4  
3.5  
3.6  
3.7  
3.8  
3.9  
4.0  
4.1  
4.2  
4.3  
4.4  
4.5  
4.6  
4.7  
4.8  
4.9  
5.0  
5.1  
5.2  
5.3  
5.4  
5.5  
5.6  
5.7  
5.8  
5.9  
6.0  
6.1  
6.2  
6.3  
6.4  
8.5  
9.0  
9.5  
60  
75  
79  
60  
61  
75  
10.0  
10.5  
11.0  
11.5  
12.0  
12.5  
13.0  
13.5  
14.0  
14.5  
30.0  
31.0  
32.0  
33.0  
34.0  
35.0  
36.0  
37.0  
38.0  
39.0  
40.0  
41.0  
42.0  
43.0  
44.0  
45.0  
46.0  
47.0  
48.0  
49.0  
50.0  
51.0  
52.0  
53.0  
54.0  
55.0  
56.0  
57.0  
58.0  
59.0  
60.0  
61.0  
62.0  
63.0  
64.0  
65.0  
66.0  
67.0  
68.0  
69.0  
70.0  
65  
77  
80  
75  
82  
83  
70  
75  
80  
82  
77  
86  
80  
82  
88  
82  
85  
68  
73  
78  
6.5  
6.6  
6.7  
6.8  
6.9  
7.0  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
9
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
PIN CONFIGURATION  
The dissipation pad for the USP-6C package  
should be solder-plated in recommended  
mount pattern and metal masking to enhance  
mounting strength and heat release. If the pad  
PIN ASSIGNMENT  
IXD2111A/B  
PIN NUMBER  
SOT-23  
SOT-89  
PIN NAME  
FUNCTIONS  
A
1
3
2
-
B
1
3
-
A
1
2
3
-
B
1
2
-
VSS  
VOUT  
LX  
Ground  
Output Voltage Monitor, Internal Power Supply Input  
Switch  
External Switching transistor drive, Connect to the gate of N-channel transistor  
2
3
EXT  
IXD2110//111C/D/E/F  
PIN NUMBER  
SOT-25  
USP-6C  
PIN NAME  
FUNCTIONS  
C
-
4
-
5
1
2
3
D
-
4
5
-
1
2
3
E
2
4
-
5
-
F
2
4
5
-
-
1
3
C
-
6
-
4
3
1
D
-
6
4
-
E
1
6
-
4
-
F
1
6
4
-
-
3
VDD  
VSS  
EXT  
Lx  
CE  
VOUT  
NC  
Internal Power Supply Input  
Ground  
External Switching transistor drive, Connect to the gate of N-channel transistor  
Switch  
Chip Enable, Connect to the VOUT pin when Active and the VSS in standby mode  
Output Voltage Monitor  
No connection  
3
1
1
3
3
2, 5 2, 5 2, 5 2, 5  
BLOCK DIAGRAMS  
IXD2111A and B Series  
Note:  
The IXD2111 series with built-in transistor use the Lx pin and the  
IXD2111 series with external transistor use the EXT pin.  
The duty ratio of the IXD2111 series automatically varies between  
56% at oscillation frequency 180 kHz and 75% at oscillation  
frequency (fOSC) 100 kHz.  
The VLx limit function applies to the IXD2111A types only.  
* The duty ratio depends on power supply. Please refer to the  
electrical characteristics on duty cycle against output voltage you use.  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
10  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
IXD2110/111C and D series  
Note:  
The IXD2110/111 series with built-in transistor use the Lx pin and the  
IXD2110/111 series with external transistor use the EXT pin.  
The IXD2110 series' duty cycle ratio is 75% at oscillation frequency  
(fOSC) 100 kHz. The duty cycle ratio of the IXD2111 series  
automatically varies between 56% at frequency 180 kHz and 75% at  
oscillation frequency (fOSC) 100 kHz.  
The VLx limit function only applies to the IXD2110/111 C versions.  
* The duty ratio depends on power supply. Please refer to the  
electrical characteristics on duty cycle against output voltage you use.  
IXD2110/111C and D series  
Note:  
The IXD2110/111 series with built-in transistor uses the Lx pin and the  
IXD2110/111 series with external transistor use the EXT pin.  
The IXD2110 / 111 series E and F have the VDD pin.  
The IXD2110 series' duty cycle ratio is 75% at oscillation frequency  
(fOSC) 100 kHz. The duty ratio of the IXD2111 series automatically  
varies between 56% at oscillation frequency 180 kHz and 75% at  
oscillation frequency (fOSC) 100 kHz.  
The VLx limit function applies to the IXD2110/111 C versions only.  
* The duty ratio depends on power supply. Please refer to the  
electrical characteristics on duty cycle against output voltage you use.  
BASIC OPERATION  
The IXD2110/111 series are PFM mode step-up DC/DC converters (A, C and E types) / controllers ICs (B, D and F  
types), which contain voltage reference source Vref, PFM Comparator, Duty Cycle Selector, PFM controlled  
Oscillator, VLx Voltage Limiter, Buffer, and MOSFET transistor.  
Maximum duty cycle ratio of 75% at oscillation frequency 100 kHz for IXD2110 series makes it suitable for use with  
large load current.  
The IXD2111 series automatically switches duty cycle ratio between 56% at oscillation frequency 180 kHz and 75%  
at oscillation frequency 100 kHz, when it senses changes in load, and it can support both large and small load  
currents.  
Reference Voltage Source (Vref)  
The reference voltage source provides the reference voltage to ensure stable output voltage of the DC/DC  
converter.  
PFM Comparator  
The PFM comparator compares the feedback voltage divided by the internal resistive divider with the internal  
reference voltage. When the feedback voltage is higher than the reference voltage, PFM controlled oscillator will be  
stopped. When the feedback voltage is lower than the reference voltage, the PFM controlled oscillator sends  
through buffer a signal to the internal or external switching transistor to keep output voltage stable.  
Duty Cycle Selector  
With the IXD2111 series, the duty cycle selector automatically switches duty cycle ratio between 56% and 75%  
when it senses changes in load to support both large and small currents.  
PFM Controlled Oscillator  
The PFM controlled oscillator determines maximum oscillation frequency. The circuit generates the oscillation  
frequency of 100 kHz at 75% duty cycle and 180 kHz at 56%.  
VLx Voltage Limiter  
The VLx circuits of the ISD110/111 A, C, and D types detect in-rush current and over-current, which flows from the  
VOUT pin to the Lx pin. In case of over-current, the switching transistor will be OFF. When the over-current condition  
removed, the IC resumes its normal operation.  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
11  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
Chip Enable Function  
The chip enable function of the IXD2110/111 C and D types sends IC into shut down mode, when CE pin is logic  
low. The current consumption in shutdown mode is less than 0.5 µA.  
Separated VDD/VOUT  
Additional VDD pin allows IXD2110/111 E and F types operate with VOUT voltage higher or lover than VDD voltage  
reguired for stable IC operations.  
TYPICAL APPLICATION CIRCUITS  
A type IC  
B type IC  
L – 100µH  
(Coil, CR54, SUMIDA)  
L = 47µH  
(Coil, CR54, SUMIDA)  
D – XBS104S14R-G (Schottky type, TOREX)  
D XBS104S14R-G (Schottky type, TOREX)  
COUT – 16V, 47µF  
CIN – 16V, 47µF  
(Tantalum)  
(Tantalum)  
COUT – 16V, 47µF (Tantalum)  
CIN – 16V, 47µF  
RB – 500Ω  
(Tantalum)  
CB – 2200pF  
Q – 2SD1628  
(Sanyo)  
C type IC  
D type IC  
L – 100µH  
(Coil, CR54, SUMIDA)  
L = 47µH  
(Coil, CR54, SUMIDA)  
D – XBS104S14R-G (Schottky type, TOREX)  
D XBS104S14R-G (Schottky type, TOREX)  
C
OUT – 16V, 47µF  
(Tantalum)  
(Tantalum)  
COUT – 16V, 47µF (Tantalum)  
CIN – 16V, 47µF  
CIN – 16V, 47µF  
RB – 500Ω  
(Tantalum)  
CB – 2200pF  
Q – 2SD1628  
(Sanyo)  
E type IC  
F type IC  
L – 100µH  
(Coil, CR54, SUMIDA)  
L = 47µH  
(Coil, CR54, SUMIDA)  
D – XBS104S14R-G (Schottky type, TOREX)  
D XBS104S14R-G (Schottky type, TOREX)  
COUT – 16V, 47µF  
IN – 16V, 47µF  
(Tantalum)  
(Tantalum)  
COUT – 16V, 47µF (Tantalum)  
C
CIN – 16V, 47µF  
RB – 500Ω  
(Tantalum)  
CB – 2200pF  
Q – 2SD1628  
(Sanyo)  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
12  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
EXTERNAL COMPONENTS  
The IXD2110/111 B/D/F type allows use of the n-channel MOSFET or n-p-n transistor as external switch.  
In case of a MOSFET, recommended type is XP151A13A0MR-G from TOREX.  
Note:  
VGS breakdown voltage of this transistor is 8 V. If the power supply voltage is above 6 V use XP151A12A2MR-G  
with a VGS breakdown voltage of 12 V.  
In case of n-p-n transistor, recommended type is 2SD1628 from SANYO with RB 500 Ω (Adjust in accordance with  
load and transistors hFE.), and CB 2200pF. CB ≤1 / (2TT x RB x FOSC x 0.7)  
Recommended RB values for low input voltages are show in the table below.  
RB value examples for n-p-n transistor  
VOUT (V)  
1.8  
IOUT (mA)  
VIN (V)  
1.2  
RB ( Ω )  
4.5  
VOUT (V)  
3.3  
IOUT (mA)  
VIN (V)  
1.2  
RB ( Ω )  
6.5  
10  
10  
30  
30  
50  
50  
5
1.8  
1.5  
6.0  
3.3  
5
1.5  
6.5  
1.8  
1.2  
2.0  
3.3  
10  
10  
30  
30  
1.2  
5.0  
1.8  
1.5  
2.0  
3.3  
1.5  
4.5  
1.8  
1.2  
1.2  
3.3  
1.2  
3.5  
1.8  
1.5  
1.5  
3.3  
1.5  
3.5  
Other recommended components are:  
Diodes XBS104S14R-G from TOREX, or MA2Q735 from MATSUSHITA  
Output capacitor COUT 16V, 47 µF TAJ type from KYOCERA  
Input capacitor CIN 16V, 47 µF TAJ type from KYOCERA, or 16V, 220 µF (electrolytic capacitor)  
Inductor L for IXD2110/111A, C, and E series with built-in transistor 100 µH CR54, or CDRH6D28 type from  
SUMIDA  
Inductor L for IXD2110/111B, D, and F series with external transistor 22 µH or 47µH CR54 type from SUMIDA  
LAYOUT AND USE CONSIDERATIONS  
1. Please, do not exceed the value of stated absolute maximum ratings.  
2. The DC/DC converter / controller IC's performance is greatly influenced by not only the ICs' characteristics, but  
also by those of the external components. Care must be taken when selecting external components.  
3. The Lx limit voltage function becomes stable when VOUT of the IXD2110/111C series is over 2.0V and the VDD  
of the IXD2110/111E series is over 2.0V.  
4. Make sure that the PCB ground traces are as thick as possible, as variations in ground potential caused by  
high ground currents at the time of switching may result in instability of the IC.  
5. Please, mount each external component as close to the IC as possible and use thick, short connecting traces  
to reduce the circuit impedance.  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
13  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
TEST CIRCUITS  
Circuit Å  
Circuit Ö  
Circuit Ç  
Circuit Ü  
Circuit É  
Circuit á  
Circuit Ñ  
Circuit à  
External Components  
Circuit Å  
Circuit Ñ  
CIN = 47 µF, 16V (Tantalum)  
L = 100 µH, CR54 (SUMIDA)  
D - XBS104S14R-G (Schottky, TOREX)  
CL = 47µF, 16V (Tantalum)  
Cp: 100µF (OS-CON, SANYO)  
Circuit Ü  
CIN = 47 µF, 16V (Tantalum)  
L = 100 µH, CR54 (SUMIDA)  
Q - 2SD1628 (SANYO)  
CB = 2200pF  
CircuitÇ  
Rp = 300Ω  
Rp = 10Ω (For Lx ON Resistance and Lx Current Limit Measurement)  
Rp = 200 Ω (For measuring EXT ON Resistance)  
Cp = 100 µF (OS-CON, SANYO)  
RB = 500Ω  
D - XBS104S14R-G (Schottky, TOREX)  
CL = 47µF, 16V (Tantalum  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
14  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
TYPICAL PERFORMANCE CHARACTERISTICS  
(1) Output Voltage vs. Output Current  
Topr = 25 0C  
IXD2111E181MR  
IXD2110E181MR  
L = 100uH (CR54), CL= 47uF (Tantalum), D - XBS104S14R  
L = 100uH (CR54), CL= 47uF (Tantalum), D - XBS104S14R  
IXD2111E331MR  
IXD2110E331MR  
L = 100uH (CR54), CL= 47uF (Tantalum), D - XBS104S14R  
L = 100uH (CR54), CL= 47uF (Tantalum), D - XBS104S14R  
IXD2111E501MR  
IXD2110E501MR  
L = 100uH (CR54), CL= 47uF (Tantalum), D - XBS104S14R  
L = 100uH (CR54), CL= 47uF (Tantalum), D - XBS104S14R  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
15  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(1) Output Voltage vs. Output Current  
Topr = 25 0C  
IXD2111F181MR  
IXD2111F331MR  
L = 22 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R, Q - XP151A13A0M  
L = 22 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R, Q - XP151A13A0M  
IXD2111F501MR  
IXD2111F181MR  
L = 22 µH( CR54), CL = 47 µF(Tantalum), D - XBS104S14R,Q - XP151A12A2M  
L = 22 µH (CR54), CL = 47 µF (Tantalum), CB = 2200pF, RB = 100 Ω,  
D - XBS104S14R, Q - 2SD1628,  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
16  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(2) Efficiency vs. Output Current  
Topr = 25 0C  
IXD2111E181MR  
IXD2110E181MR  
L = 100 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R  
L = 100 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R  
IXD2111E331MR  
IXD2110E331MR  
L = 100 µH (CR54), CL = 47 µF(Tantalum), D - XBS104S14R  
L = 100 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R  
IXD2111E501MR  
IXD2110E501MR  
L = 100 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R  
L = 100 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
17  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(2) Efficiency vs. Output Current  
Topr = 25 0C  
IXD2111F181MR  
IXD2111F331MR  
L= 22 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R, Q - XP151A13A0M  
L= 22 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R, Q - XP151A13A0M  
IXD2111F501MR  
IXD2111F181MR  
L = 22 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R, Q - XP151A12A2M  
L = 22 µH (CR54), CL = 47 µF (Tantalum), CB = 2200pF, RB = 100 Ω,  
D - XBS104S14R, Q - 2SD1628  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
18  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(3) Ripple Voltage vs. Output Current  
Topr = 25 0C  
IXD2111E181MR  
IXD2110E181MR  
L = 100 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R  
L = 100 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R  
IXD2111E331MR  
IXD2110E331MR  
L = 100 µH (CR54), CL = 47 µF(Tantalum), D - XBS104S14R  
L = 100 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R  
IXD2111E501MR  
IXD2110E501MR  
L = 100 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R  
L = 100 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
19  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(2) Ripple Voltage vs. Output Current  
Topr = 25  
0C  
IXD2111F181MR  
IXD2111F331MR  
L= 22 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R, Q - XP151A13A0M  
L= 22 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R, Q - XP151A13A0M  
IXD2111F501MR  
IXD2111F181MR  
L = 22 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R, Q - XP151A12A2M  
L = 22 µH (CR54), CL = 47 µF (Tantalum), CB = 2200pF, RB = 100 Ω,  
D - XBS104S14R, Q - 2SD1628  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
20  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(4) Supply Current 1 vs. Output Voltage  
(5) Supply Current 2 vs. Output Voltage  
Topr = 25 0C  
IXD2111xx1  
IXD2111xx1  
VDD = VOUT x 0.95  
VDD = VOUT x 0.5  
(6) Standby Current vs. Output Voltage  
IXD2111E331MR  
(7) No Load Input Current vs. Output Voltage  
IXD2110E331MR  
L = 100 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R  
(8) Lx Limit Voltage vs. Output Voltage  
(9) Lx Switch ON Resistance vs. Output Voltage  
IXD2111E501MR  
IXD2110E501MR  
VDD = VOUT x 0.95  
VDD = VOUT x 0.95, VLx = 0.4 V  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
21  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(10) EXT “H” ON Resistance vs. Output Voltage  
(11) EXT “L” ON Resistance vs. Output Voltage  
Topr = 25 0C  
IXD2111Fxx1  
IXD2111Fxx1  
VDD = VOUT x 0.95, VEXT = VOUT – 0.4 V  
VDD = VOUT x 0.5, VEXT = 0.4 V  
(12) Maximum Oscillation Frequency 1 vs. Output Voltage  
(13) Maximum Oscillation Frequency 2 vs. Output Voltage  
IXD2111Exx1  
IXD2111Exx1  
VDD = VOUT x 0.95  
VDD = VOUT x 0.95  
(14) Duty Cycle Ratio 1 vs. Output Voltage  
(15) Duty Cycle Ratio 2 vs. Output Voltage  
IXD2111Exx1  
IXD2111Exx1  
VDD = VOUT x 0.95  
VDD = VOUT x 0.95  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
22  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(16) Output Voltage vs. Ambient Temperature  
IXD2111E331  
(17) CE “H” “L” Voltage vs. Output Voltage  
Topr = 25 0C  
IXD2111Cxx1  
VDD = VOUT x 0.5  
(18) Operation Start Voltage vs. Ambient Temperature  
(19) Oscillation Start Voltage vs. Ambient Temperature  
IXD2111E331  
IXD2111E331  
VOUT = 0.8 V  
L = 100 µH (CR54), CL = 47 µF (Tantalum), D - XBS104S14R  
(20) Operation Hold Voltage vs. Ambient Temperature  
IXD2111E331  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
23  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(21) Load Transient Response  
Topr = 25 0C  
IXD2111E331  
IXD2111E331  
VIN = 2.4 V, VDD = VOUT, IOUT = 0.1 – 50 mA  
VIN = 2.4 V, VDD = VOUT, IOUT = 0.1 – 50 mA  
Ch1 – VOUT (AC-Coupled), 50 mV/div  
Ch2 – IOUT, 25 mA/div  
Ch1 – VOUT (AC-Coupled), 50 mV/div  
Ch2 – IOUT, 25 mA/div  
IXD2111E331  
VIN = 2.4 V, VDD = VOUT, IOUT = 1 – 100 mA  
IXD2111E331  
VIN = 2.4 V, VDD = VOUT, IOUT = 1 – 100 mA  
Ch1 – VOUT (AC-Coupled), 50 mV/div  
Ch2 – IOUT, 50 mA/div  
Ch1 – VOUT (AC-Coupled), 50 mV/div  
Ch2 – IOUT, 50 mA/div  
IXD2111E181  
VIN = 1.5 V, VDD = VOUT, IOUT = 0.1 – 50 mA  
IXD2111E181  
VIN = 1.5 V, VDD = VOUT, IOUT = 0.1 – 50 mA  
Ch1 – VOUT (AC-Coupled), 50 mV/div  
Ch2 – IOUT, 25 mA/div  
Ch1 – VOUT (AC-Coupled), 50 mV/div  
Ch2 – IOUT, 25 mA/div  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
24  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(22) Input Transien Response  
Topr = 25 0C  
IXD2111E181  
IXD2111E501  
VIN = 0 – 1.5 V, VDD = VOUT, IOUT = 10 mA  
VIN = 0 – 3.3 V, VDD = VOUT, IOUT = 50 mA  
Ch1 – VOUT, 2.0 V/div; Ch2 – VIN, 1.0 V/div  
IXD2111E331  
Ch1 – VOUT, 1.0 V/div; Ch2 – VIN, 1.0 V/div  
IXD2111E331MR  
VIN = 0 – 1.5 V, VDD = VOUT, IOUT = 20 mA  
VIN = 0 – 2.4 V, VDD = VOUT, IOUT = 50 mA  
Ch1 – VOUT, 1.0 V/div; Ch2 – VIN, 1.0 V/div  
Ch1 – VOUT, 1.0 V/div; Ch2 – VIN, 1.0 V/div  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
25  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
ORDERING INFORMATION  
IXD2110①②③④⑤⑥-⑦ -PFM control, 75% duty  
IXD2111①②③④⑤⑥-⑦-PFM control, 56% / 75% duty variable  
DESIGNATOR  
DESCRIPTION  
CE Function  
SYMBOL  
DESCRIPTION  
VDD / VOUT common type (for IXD2111 series)  
VDD / VOUT common type (for IXD2111 series)  
CE pin (5 pin)  
A
B
C
D
E
F
Built-in Transistor  
External Transistor  
Built-in Transistor  
External Transistor  
Built-in Transistor  
External Transistor  
Å
CE pin (5 pin)  
VDD / VOUT separated type (5 pin)  
VDD / VOUT separated type (5 pin)  
ÇÉ  
Ñ
Output Voltage  
15 ~ 70  
example 3.5V output - Ç = 3, É = 5  
Maximum Oscillation  
Frequency  
1
100kHz  
① = A～B SOT-23 (3,000/Reel)  
① = C～F SOT-25 (3,000/Reel)  
① = A～B SOT-23 (3,000/Reel)  
① = C～F SOT-25 (3,000/Reel)  
① = A～B SOT-89 (1,000/Reel)  
① = A～B SOT-89 (1,000/Reel)  
① = C～F USP-6C (3,000/Reel)  
① = C～F USP-6C (3,000/Reel)  
MR  
MR-G  
Packages  
(Order Limit)  
ÖÜ-á*  
PR  
PR-G  
ER  
ER-G  
(*) The “-G” suffix denotes halogen and antimony free, as well as being fully ROHS compliant.  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
26  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
PRODUCT CLASSIFICATION  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
27  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
PACKAGE DRAWING AND DIMENSIONS  
Units: mm  
SOT-23  
SOT- 25  
SOT-89  
USP-6C  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
28  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
PACKAGE DRAWING AND DIMENSIONS  
USP-6C Reference Pattern Layout  
USP-6C Reference Metal Mask Design  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
29  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
MARKING  
SOT-23  
① represents product series  
MARK  
5
6
FUNCTION  
Built-In Transistor  
External Transistor  
PRODUCT SERIES  
IXD2111Axxxxx  
IXD2111Bxxxxx  
② represents integer of output voltage and oscillation frequency  
MARK  
fOSC = 100 kHz  
OUTPUT VOLTAGE  
1.x  
2.x  
3.x  
4.x  
5.x  
6.x  
7.x  
1
2
3
4
5
6
7
③ represents decimal point of output voltage and oscillation frequency  
MARK  
fOSC = 100 kHz  
OUTPUT VOLTAGE  
x.0  
x.1  
x.2  
x.3  
x.4  
x.5  
x.6  
x.7  
x.9  
x.9  
0
1
2
3
4
5
6
7
8
9
④ represents production lot number 0 to 9, A to Z repeated (G, I, J, O, Q, W excluded)  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
30  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
MARKING (Continue)  
SOT-25  
① represents product series  
MARK  
FUNCTION  
PRODUCT SERIES  
IXD2110Cxxxxx  
IXD2110Dxxxxx  
IXD2110Exxxxx  
IXD2110Fxxxxx  
IXD2110Cxxxxx  
IXD2110Dxxxxx  
IXD2110Exxxxx  
IXD2110Fxxxxx  
V
X
Y
Z
5
6
7
8
CE  
CE  
VDD/VOUT  
VDD/VOUT  
CE  
CE  
VDD/VOUT  
VDD/VOUT  
Built-in Transistor  
External Transistor  
Built-in Transistor  
External Transistor  
Built-in Transistor  
External Transistor  
Built-in Transistor  
External Transistor  
② represents integer of output voltage and oscillation frequency  
MARK  
fOSC = 100 kHz  
OUTPUT VOLTAGE  
1.x  
2.x  
3.x  
4.x  
5.x  
6.x  
7.x  
1
2
3
4
5
6
7
③ represents decimal point of output voltage and oscillation frequency  
MARK  
fOSC = 100 kHz  
OUTPUT VOLTAGE  
x.0  
x.1  
x.2  
x.3  
x.4  
x.5  
x.6  
x.7  
x.9  
x.9  
0
1
2
3
4
5
6
7
8
9
④ represents production lot number 0 to 9, A to Z repeated (G, I, J, O, Q, W excluded)  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
31  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
MARKING (Continue)  
SOT-89  
① represents product series  
MARK  
5
6
FUNCTIONS  
Built-In Transistor  
External Transistor  
PRODUCT SERIES  
IXD2111Axxxxx  
IXD2111Bxxxxx  
② represents integer of output voltage and oscillation frequency  
MARK  
fOSC = 100 kHz  
OUTPUT VOLTAGE  
1.x  
2.x  
3.x  
4.x  
5.x  
6.x  
7.x  
1
2
3
4
5
6
7
③ represents decimal point of output voltage and oscillation frequency  
MARK  
fOSC = 100 kHz  
OUTPUT VOLTAGE  
x.0  
x.1  
x.2  
x.3  
x.4  
x.5  
x.6  
x.7  
x.9  
x.9  
0
1
2
3
4
5
6
7
8
9
④ represents production lot number 0 to 9, A to Z repeated (G, I, J, O, Q, W excluded)  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
32  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
MARKING (Continue)  
USP-6C  
① represents product series  
MARK  
M
N
PRODUCT SERIES  
IXD2110xxx1D  
IXD2111xxx1D  
② represents series type  
MARK  
FUNCTION  
PRODUCT SERIES  
IXD2110Cxxxxx  
IXD2110Dxxxxx  
IXD2110Exxxxx  
IXD2110Fxxxxx  
C
D
E
F
CE  
CE  
VDD/VOUT  
VDD/VOUT  
Built-in Transistor  
External Transistor  
Built-in Transistor  
External Transistor  
③ represents integer of output voltage and oscillation frequency  
MARK  
fOSC = 100 kHz  
OUTPUT VOLTAGE  
1.x  
2.x  
3.x  
4.x  
5.x  
6.x  
7.x  
1
2
3
4
5
6
7
④ represents decimal point of output voltage and oscillation frequency  
MARK  
fOSC = 100 kHz  
OUTPUT VOLTAGE  
x.0  
x.1  
x.2  
x.3  
x.4  
x.5  
x.6  
x.7  
x.9  
x.9  
0
1
2
3
4
5
6
7
8
9
⑤ represents oscillation frequency  
MARK  
1
OSCILLATION FREQUENCY  
100 kHz  
PRODUCT SERIES  
IXD2111xx1Dx  
⑥ represents production lot number 0 to 9, A to Z repeated (G, I, J, O, Q, W excluded)  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
33  
Doc. No. IXD2110_DS, Rev. N0  
IXD2110/IXD2111  
Warranty and Use  
IXYS CORP. MAKES NO WARRANTY, REPRESENTATION OR GUARANTEE, EXPRESS OR IMPLIED, REGARDING THE SUITABILITY OF ITS PRODUCTS FOR ANY  
PARTICULAR PURPOSE, NOR THAT THE USE OF ITS PRODUCTS WILL NOT INFRINGE ITS INTELLECTUAL PROPERTY RIGHTS OR THE RIGHTS OF THIRD  
PARTIES WITH RESPECT TO ANY PARTICULAR USE OR APPLICATION AND SPECIFICALLY DISCLAIMS ANY AND ALL LIABILITY ARISING OUT OF ANY SUCH  
USE OR APPLICATION, INCLUDING BUT NOT LIMITED TO, CONSEQUENTIAL OR INCIDENTAL DAMAGES.  
IXYS Corp. products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended  
to support or sustain life, or for any other application in which the failure of the IXYS Corp. product could create a situation where personal injury or death may occur.  
IXYS Corp. reserves the right to make changes to or discontinue any product or service described herein without notice. Products with data sheets labeled "Advance  
Information" or "Preliminary" and other products described herein may not be in production or offered for sale.  
IXYS Corp. advises customers to obtain the current version of the relevant product information before placing orders. Circuit diagrams illustrate typical semiconductor  
applications and may not be complete.  
IXYS Corp.  
1590 Buckeye Dr.  
Milpitas, CA 95035-7418  
Phone: 408. 457.9000  
Fax: 408. 496.0222  
Document No:IXD211x_DS  
Revision:  
N0  
http://www.ixys.com  
Issue date:  
2/12/2014  
© 2014 IXYS Corp.  
Characteristics subject to change without notice  
34  
Doc. No. IXD2110_DS, Rev. N0  
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