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UZ1085-15-TA3-T

型号：

UZ1085-15-TA3-T

品牌：

UTC[ Unisonic Technologies ]

页数：

7 页

PDF大小：

233 K

下载PDF手册
UNISONIC TECHNOLOGIES CO., LTD  
UZ1085  
LINEAR INTEGRATED CIRCUIT  
3A ADJUSTABLE/FIXED LOW  
DROPOUT LINEAR  
REGULATOR  
„
DESCRIPTION  
The UTC UZ1085-xx series are low dropout three-terminal  
regulators with 3A output current capability. These devices have  
been optimized for low voltage applications including VTT bus  
termination, where transient response and minimum input voltage  
are critical.  
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  
temperature that would create excessive junction temperatures.  
„
FEATURES  
*Fast transient response  
*Low dropout voltage at up to 3A  
*Load regulation:0.05% typical  
*Trimmed current limit  
Lead-free:  
Halogen-free: UZ1085G-xx  
UZ1085L-xx  
*On-chip thermal limiting  
„
ORDERING INFORMATION  
Ordering Number  
Pin Assignment  
Package  
Packing  
Normal  
UZ1085-xx-TA3-T  
Lead Free  
Halogen Free  
1
2
3
I
UZ1085L-xx-TA3-T UZ1085G-xx-TA3-T  
TO-220  
TO-252  
A/G  
A/G  
A/G  
A/G  
A/G  
A/G  
O
O
O
O
O
O
Tube  
Tape Reel  
Tape Reel  
Tube  
UZ1085-xx-TN3-R UZ1085L-xx-TN3-R UZ1085G-xx-TN3-R  
UZ1085-xx-TQ2-R UZ1085L-xx-TQ2-R UZ1085G-xx-TQ2-R  
UZ1085-xx-TQ2-T UZ1085L-xx-TQ2-T UZ1085G-xx-TQ2-T  
UZ1085-xx-TQ3-R UZ1085L-xx-TQ3-R UZ1085G-xx-TQ3-R  
UZ1085-xx-TQ3-T UZ1085L-xx-TQ3-T UZ1085G-xx-TQ3-T  
Note: 1. xx: Output Voltage, refer to Marking Information.  
I
TO-263  
I
TO-263  
I
TO-263-3  
TO-263-3  
I
Tape Reel  
Tube  
I
2. A: ADJ (for adjustable regulator), G: GND (for fixed regulator), O: VOUT, I: VIN  
www.unisonic.com.tw  
Copyright © 2009 Unisonic Technologies Co., Ltd  
1 of 7  
QW-R102-013,G  
UZ1085  
LINEAR INTEGRATED CIRCUIT  
„
MARKING INFORMATION  
PACKAGE  
VOLTAGE CODE  
MARKING  
15 :1.5V  
18 :1.8V  
25 :2.5V  
33 :3.3V  
50 :5.0V  
AD:ADJ  
UTC  
TO-220  
TO-252  
TO-263  
TO-263-3  
L: Lead Free  
UZ1085  
G: Halogen Free  
LOT Code  
Voltage Code  
XX  
Date Code  
1
2
3
UNISONIC TECHNOLOGIES CO., LTD  
2 of 7  
QW-R102-013,G  
www.unisonic.com.tw  
UZ1085  
LINEAR INTEGRATED CIRCUIT  
„
ABSOLUTE MAXIMUM RATINGS  
PARAMETER  
SYMBOL  
VIN  
RATINGS  
18  
UNIT  
V
Input Voltage  
(VIN - VOUT) ×IOUT  
See Figure 1  
+125  
Junction Temperature  
Operating Temperature  
Storage Temperature  
TJ  
°C  
°C  
°C  
TOPR  
TSTG  
-40 ~ +85  
-40 ~ +150  
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.  
Absolute maximum ratings are stress ratings only and functional device operation is not implied.  
„
THERMAL DATA  
PARAMETER  
SYMBOL  
RATINGS  
UNIT  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
TO-252  
TO-220  
TO-263  
TO-252  
TO-220  
TO-263  
118  
62  
62  
12  
4
Junction to Ambient  
Junction to Case  
θJA  
θJC  
4
„
ELECTRICAL CHARACTERISTICS (Ta=25°C, COUT=22μF, unless otherwise specified.)  
For UZ1085-ADJ (Adjustable)  
PARAMETER  
SYMBOL  
VREF  
TEST CONDITIONS  
1.5V≤(VIN - VOUT) ≤8.25V  
10mA≤IOUT≤3A  
MIN. TYP. MAX. UNIT  
Reference Voltage  
Line Regulation  
1.225 1.25 1.275  
V
(VOUT +1.5V) ≤VIN≤12V,  
△VOUT  
0.005  
0.2  
%
I
OUT=10mA  
△VOUT  
VD  
Load Regulation  
Dropout Voltage  
Current Limit  
(VIN - VOUT)=3V, 10mA≤IOUT≤3A  
△VREF%=1%, lOUT=3A  
(VIN-VOUT)=2V  
0.05  
1.30  
4
0.5  
%
V
1.40  
ILIMIT  
Iadj  
3.1  
60  
A
Adjust Pin Current  
35  
120  
5
μA  
1.5V≤ (VIN - VOUT) ≤12V  
10mA≤IOUT≤3A  
△Iadj  
Adjust Pin Current Change  
0.2  
μA  
Minimum Load Current  
Quiescent Current  
IO(MIN) 1.5V≤ (VIN-VOUT) ≤12V  
IQ  
10  
13  
mA  
mA  
VIN=12V  
4
f=120Hz,Tantalum,(VIN–VOUT)=3V  
Ripple Rejection  
RR  
72  
dB  
I
OUT=3A  
Thermal Regulation  
Temperature Stability  
Long-Term Stability  
Ta=25°C,30ms pulse  
0.004 0.02  
0.5  
%/W  
%
ΔVOUT  
ΔVOUT Ta=125°C, 1000hr  
eN Ta=25°C,10Hz≤f≤10kHz  
0.03  
0.003  
150  
1.0  
%
Output Noise(% of VOUT  
Thermal Shutdown  
)
%
°C  
UNISONIC TECHNOLOGIES CO., LTD  
3 of 7  
QW-R102-013,G  
www.unisonic.com.tw  
UZ1085  
LINEAR INTEGRATED CIRCUIT  
„
ELECTRICAL CHARACTERISTICS  
For UZ1085-xx (Fixed Voltage)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
3.0V≤VIN≤8.5V, 10mA≤IOUT≤3A  
3.3V≤VIN≤8.8V, 10mA≤IOUT≤3A  
4.0V≤VIN≤9.5V, 10mA≤IOUT≤3A  
4.8V≤VIN≤10.3V, 10mA≤IOUT≤3A  
6.5V≤VIN≤12V, 10mA≤IOUT≤3A  
(VOUT +1.5V) ≤VIN≤12V,IOUT=10mA  
MIN.  
1.470  
1.764  
2.450  
3.234  
4.900  
TYP. MAX. UNIT  
UZ1085-15  
1.5 1.530  
1.8 1.830  
2.5 2.550  
3.3 3.366  
5.0 5.100  
0.005 0.2  
V
V
UZ1085-18  
Output Voltage  
VOUT  
UZ1085-25  
UZ1085-33  
UZ1085-50  
V
V
V
△VOUT  
Line Regulation  
Load Regulation  
Dropout Voltage  
Current Limit  
%
%
V
△VOUT (VIN – VOUT)=3V, 10mA≦IOUT≤3A  
0.05  
0.5  
△VREF%=1%, lOUT=3A  
VD  
1.30 1.40  
ILIMIT  
(VIN-VOUT)=2V  
3.1  
60  
4
A
Minimum Load Current  
Quiescent Current  
IO(MIN) 1.5V≤ (VIN-VOUT) ≤12V  
IQ  
10  
mA  
mA  
VIN=12V  
4
13  
f=120Hz, Tantalum  
(VIN -VOUT)=3V,IOUT=3A  
Ta=25°C,30ms pulse  
Ta=125°C, 1000hr  
Ripple Rejection  
RR  
72  
dB  
Thermal Regulation  
Temperature Stability  
Long-Term Stability  
Output Noise(% of VOUT  
Thermal shutdown  
0.004 0.02 %/W  
△VOUT  
△VOUT  
eN  
0.5  
0.03  
0.003  
150  
%
%
%
°C  
1.0  
)
Ta=25°C,10Hz≤f≤10kHz  
UNISONIC TECHNOLOGIES CO., LTD  
4 of 7  
QW-R102-013,G  
www.unisonic.com.tw  
UZ1085  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL APPLICATION CIRCUIT  
UNISONIC TECHNOLOGIES CO., LTD  
5 of 7  
QW-R102-013,G  
www.unisonic.com.tw  
UZ1085  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL CHARACTERISTICS  
Figure 1. Absolute Maximum Sate  
Operating Area  
Figure 2. Dropout Voltage vs.Output  
Current  
1.5  
1.4  
4
3
1.3  
1.2  
1.1  
1.0  
0.9  
2
T=25°C  
0.8  
0.7  
1
0
0.6  
0.5  
0
1.5  
2
2.5  
1
3.0  
0.5  
0
2
4
6
8
10  
12  
14  
VIN-VOUT (V)  
Output Current (A)  
Figure 3. Load Regulation vs.  
Temperature  
Figure 4. Reference Voltage vs.  
Temperature  
1.260  
1.255  
1.250  
1.245  
1.240  
0.10  
ΔI=3A  
0.05  
0
-0.05  
1.235  
1.230  
1.225  
-0.10  
1.220  
1.215  
-0.15  
-0.20  
1.210  
-25  
0
25 50  
100 125 150 175  
75  
-75 -50  
-75  
-25  
0
25 50 75 100 125 150 175  
-50  
Junction Temperature (°C)  
Junction Temperature (°C)  
Figure 5. Output Voltage  
vs.Temperature  
Figure 6. Minimum Load Current  
vs.Temperature  
3.70  
5
4
3
2
VOUT Set With 1% Resistors  
VOUT=3.6V  
3.65  
3.60  
3.55  
3.50  
UZ1085-ADJ  
3.45  
3.40  
3.35  
VOUT=3.3V  
1
3.30  
3.25  
UZ1085-3.3  
0
3.20  
-25  
0
25 50  
100 125 150 175  
-25  
0
25 50  
100 125 150 175  
-75 -50  
75  
-75 -50  
75  
Junction Temperature (°C)  
Junction Temperature (°C)  
UNISONIC TECHNOLOGIES CO., LTD  
6 of 7  
QW-R102-013,G  
www.unisonic.com.tw  
UZ1085  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL CHARACTERISTICS(Cont.)  
Figure 7. Adjust Pin Current  
vs.Temperature  
Figure 8. Short-Circuit Current  
vs.Temperature  
5.0  
4.5  
4.0  
100  
90  
UZ1085-ADJ  
80  
70  
60  
50  
40  
30  
20  
3.5  
3.0  
10  
0
-25  
0
25 50  
100 125 150 175  
-75 -50  
75  
-25  
0
25 50  
100 125 150 175  
75  
-75 -50  
Junction Temperature (°C)  
Junction Temperature (°C)  
Figure 9. Ripple Rejection  
vs.Frequency  
Figure 10. Maximum Power Dissipation  
20  
15  
10  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
5
0
(VIN - VOUT)≤3V  
0.5V≤VRIPPLE≤2V  
IOUT=3A  
100k  
150  
90 100 110 120 130 140  
10k  
10  
100  
1k  
50 60 70 80  
Frequency (Hz)  
Case Temperature (°C)  
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  
7 of 7  
QW-R102-013,G  
www.unisonic.com.tw  
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