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UZ1086-285-AA3-A-R

型号：

UZ1086-285-AA3-A-R

品牌：

UTC[ Unisonic Technologies ]

页数：

6 页

PDF大小：

180 K

下载PDF手册
UNISONIC TECHNOLOGIES CO.,LTD  
UZ1086  
LINEAR INTEGRATED CIRCUIT  
1.5A ADJUSTABLE/FIXED  
LOW DROPOUT LINEAR  
REGULATOR  
1
1
TO-263  
TO-263-3  
ꢀ
DESCRIPTION  
The UTC UZ1086 and UZ1086-1.8V,2.5V, 2.85V, 3.3V and 5V  
1
are low dropout three-terminal regulators with 1.5A output current  
capability. These devices have been optimized for low voltage  
where transient response and minimum input voltage are critical.  
The 2.85V version is designed specifically to be used in Active  
Terminators for SCSI bus.  
TO-220  
1
1
Current limit is trimmed to ensure specified output current and  
controlled short-circuit current. On-chip thermal limiting provides  
protection against any combination of overload and ambient  
temperatures that would create excessive junction temperatures.  
Unlike PNP type regulators where up to 10% of the output  
current is wasted as quiescent current, the quiescent current of  
the UZ1086 flows into the load, increasing efficiency.  
TO-252  
SOT-223  
*Pb-free plating product number: UZ1086L-xx  
ꢀ PIN DESCRIPTION  
ꢀ
FEATURES  
PIN NO.  
ADJ  
ADJ  
VOUT  
VIN  
FIXED  
GND  
VOUT  
VIN  
1
2
3
*Low dropout voltage  
*Load regulation: 0.05% typical  
*Trimmed current limit  
*On-chip thermal limiting  
*Three-terminal adjustable or fixed 1.8V, 2.5V, 2.85V, 3.3V, 5V  
ꢀ
ORDERING INFORMATION  
Order Number  
Package  
Packing  
Normal  
Lead Free Plating  
UZ1086-xx-TA3-A-T  
UZ1086-xx-TN3-A-R  
UZ1086-xx-TN3-A-T  
UZ1086-xx-TQ2-A-R  
UZ1086-xx-TQ2-A-T  
UZ1086-xx-TQ3-A-R  
UZ1086-xx-TQ3-A-T  
UZ1086-xx-AA3-A-R  
UZ1086L-xx-TA3-A-T  
UZ1086L-xx-TN3-A-R  
UZ1086L-xx-TN3-A-T  
UZ1086L-xx-TQ2-A-R  
UZ1086L-xx-TQ2-A-T  
UZ1086L-xx-TQ3-A-R  
UZ1086L-xx-TQ3-A-T  
UZ1086L-xx-AA3-A-R  
TO-220  
TO-252  
TO-252  
TO-263  
TO-263  
TO-263-3  
TO-263-3  
SOT-223  
Tube  
Tape Reel  
Tube  
Tape Reel  
Tube  
Tape Reel  
Tube  
Tape Reel  
Note: xx: Output Voltage, refer to Marking Information.  
www.unisonic.com.tw  
1
Copyright © 2005 Unisonic Technologies Co.,LTD  
QW-R102-008,E  
UZ1086  
LINEAR INTEGRATED CIRCUIT  
ꢀ
MARKING INFORMATION  
PACKAGE  
VOLTAGE CODE  
MARKING  
18 :1.8V  
25 :2.5V  
285 :2.85V  
33 :3.3V  
50 :5.0V  
AD :ADJ  
UTC  
UZ1086  
TO-220  
TO-252  
TO-263  
TO-263-3  
VOLTAGE CODE  
DATE CODE  
1
2
3
18 :1.8V  
25 :2.5V  
285 :2.85V  
33 :3.3V  
50 :5.0V  
AD :ADJ  
UZ1086  
SOT-223  
VOLTAGE CODE  
DATE CODE  
1
2
3
ꢀ
THERMAL DATA  
PARAMETER  
SYMBOL  
RATINGS  
UNIT  
TO-252  
TO-220  
TO-263  
SOT-223  
12  
4
ΘJC  
Thermal Resistance Junction-Case  
°C/W  
4
15  
UNISONIC TECHNOLOGIES CO., LTD  
2
www.unisonic.com.tw  
QW-R102-008,E  
UZ1086  
LINEAR INTEGRATED CIRCUIT  
ꢀ
ABSOLUTE MAXIMUM RATINGS  
PARAMETER  
SYMBOL  
VIN  
RATINGS  
7.5  
UNIT  
V
Input Voltage  
℃
Operating Temperature  
Junction Temperature  
Storage Temperature  
TOPR  
TJ  
0 ~ +125  
+125  
℃
℃
TSTG  
-40 ~ +150  
ꢀ
ELECTRICAL CHARACTERISTICS (VIN≤7V, TJ=25°C, unless otherwise specified.)  
PARAMETER  
SYMBOL  
VREF  
TEST CONDITIONS  
1.5V≤(VIN – VOUT ) ≤5.75V  
10mA≤IOUT≤1A  
MIN. TYP. MAX. UNIT  
*
Reference Voltage  
1.225 1.25 1.275  
V
3.3V≤VIN≤7V, 10mA≤IOUT≤1A  
4V≤VIN≤7V, 10mA≤IOUT≤1A  
4.35V≤VIN≤7V,10mA≤IOUT≤1A  
4.8V≤VIN≤7V, 10mA≤IOUT≤1A  
UZ1086-1.8  
*
*
*
*
1.764 1.80 1.836  
2.450 2.50 2.550  
2.793 2.85 2.907  
3.234 3.30 3.366  
4.900 5.00 5.100  
0.005 0.2  
UZ1086-2.5  
UZ1086-2.85  
UZ1086-3.3  
UZ1086-5.0  
Output Voltage  
VOUT  
V
6.5V≤VIN≤7V, 10mA≤IOUT≤1A  
Line Regulation (Note1,2)  
Load Regulation (Note1,2)  
Dropout Voltage  
∆VOUT  
∆VOUT  
Vd  
*
*
*
*
*
*
(VOUT+1.5V)≤VIN ≤7V, IOUT=10mA  
VIN – VOUT =2V, 10mA≤IOUT≤1A  
∆VREF =1%,IOUT=1.5A  
%
%
V
0.05  
0.5  
1.30 1.40  
4
Current Limit  
ILIMIT  
Iadj  
VIN – VOUT =2V  
3.1  
A
Adjust Pin Current  
35  
120  
5
µA  
µA  
1.5V≤(VIN – VOUT ) ≤5.75V  
10mA≤IOUT≤1A  
0.2  
Adjust Pin Current Change  
∆Iadj  
Minimum Load Current  
Quiescent Current  
Io(min)  
ID  
*
*
1.5V≤(VIN – VOUT ) ≤5.75V  
VIN =VOUT+1.25V  
10  
60  
mA  
mA  
4
13  
f=120Hz,COUT=22µF, Tantalum  
Ripple Rejection  
RR  
72  
dB  
VIN – VOUT =3V, IOUT=1.5A  
Ta=25℃, 30ms pulse  
Thermal Regulation  
Temperature Stability  
Long-Term Stability  
RMS Output Noise  
0.004 0.02 %/W  
∆VOUT  
∆VOUT  
VOUT  
*
0.5  
0.03  
0.003  
155  
10  
%
%
%
℃
℃
Ta=125℃, 1000hrs  
1.0  
Ta=25℃, 10Hz≤f≤10kHz  
Junction Temperature  
Thermal shutdown  
Thermal Shutdown Hysteresis  
Note:  
* stand for specifications which apply over the designed operating temperature range.  
1. See thermal regulation specifications for changes in output voltage due to heating effects. Load and line  
regulation are measured at a constant junction temperature by low duty cycle pulse testing.  
2. Line and load regulation are guaranteed up to the maximum power dissipation. Power dissipation is determined  
by input/output differential and the output current. Guaranteed maximum output power will not be available over  
the full input/output voltage range.  
UNISONIC TECHNOLOGIES CO., LTD  
3
www.unisonic.com.tw  
QW-R102-008,E  
UZ1086  
LINEAR INTEGRATED CIRCUIT  
ꢀ
TYPICAL APPLICATION CIRCUIT  
UZ1086  
ADJ  
VIN  
VOUT  
1.5V at 1.5A  
VIN=3.3V  
+
10µF  
+
R1  
124Ω  
22µF  
R2  
24.9Ω  
V
OUT=VREF(1+R2/R1)+IAdj *R2  
UZ1086-2.85  
VIN=5V  
VIN  
V
OUT  
2.85V at 1.5A  
+
10µF  
+
22µF  
GND  
UNISONIC TECHNOLOGIES CO., LTD  
4
www.unisonic.com.tw  
QW-R102-008,E  
UZ1086  
LINEAR INTEGRATED CIRCUIT  
ꢀ
TYPICAL CHARACTERISTICS  
Figure 1.Dropout Voltage vs.Output Current  
1.5  
Figure 2. Load Regulation vs.Temperature  
0.1  
1.4  
∆I=1A  
0.0  
5
1.3  
1.2  
0
-0.05  
-0.1  
1.1  
1.0  
0.9  
0.8  
0.7  
-
0.6  
0.5  
0
0.15  
-0.2  
0
0.3  
-75 -50 -25 0 25 50 75 100 125150 175  
0.6  
0.9  
1.2  
1.5  
Output Current (A)  
Junction Temperature(°C)  
Figure 3.Reference Votage vs.Temperature  
Figure 4.Output Voltage vs.Temperature  
1.25  
1.245  
1.24  
3.7  
3.65  
3.6  
V
OUT SET WITH 1% RESISTORS  
VOUT =3.6V  
1.235  
1.23  
3.55  
3.5  
1.225  
1.22  
3.45  
3.4  
1.215  
1.21  
1.205  
1.2  
3.35  
V
OUT =3.3V  
3.3  
3.25  
3.2  
UZ1086 adjustable Only  
-75 -50 -25 0 25 50 75 100 125150 175  
-75 -50 -25 0 25 50 75 100 125150 175  
Junction Temperature(°C)  
Junction Temperature(°C)  
Figure 5.Minimum Load Current vs.Temperature  
Figure 6.Adjust Pin Current vs.Temperature  
5
4
3
2
100  
Note1.UZ1086 Only  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
1
0
-75 -50 -25 0 25 50 75 100125150 175  
-75 -50 -25 0 25 50 75 100 125150 175  
Junction Temperature(°C)  
Junction Temperature(°C)  
UNISONIC TECHNOLOGIES CO., LTD  
5
www.unisonic.com.tw  
QW-R102-008,E  
UZ1086  
LINEAR INTEGRATED CIRCUIT  
ꢀ
TYPICAL CHARACTERISTICS(cont.)  
Figure 7. Short-Circuit Current vs.Temperature  
2.0  
Figure 8. Ripple Rejection vs.Frequency  
90  
80  
70  
60  
50  
40  
1.7  
5
1.5  
30  
20  
1.25  
1.0  
V
IN-VOUT=3V  
0.5<VRIPPLE <2V  
10  
0
IOUT=1A  
-75 -50 -25 0 25 50 75 100125150 175  
Junction Temperature(°C)  
10  
100  
1K  
10K  
100K  
Frequency(Hz)  
UTC assumes no responsibility for equipment failures that result from using products at values that  
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or  
other parameters) listed in products specifications of any and all UTC products described or contained  
herein. UTC products are not designed for use in life support appliances, devices or systems where  
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in  
whole or in part is prohibited without the prior written consent of the copyright owner. The information  
presented in this document does not form part of any quotation or contract, is believed to be accurate  
and reliable and may be changed without notice.  
UNISONIC TECHNOLOGIES CO., LTD  
6
www.unisonic.com.tw  
QW-R102-008,E  
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