78T06A-TQ2-D-R [UTC]

Regulator;
78T06A-TQ2-D-R
型号: 78T06A-TQ2-D-R
厂家: Unisonic Technologies    Unisonic Technologies
描述:

Regulator

输出元件 调节器
文件: 总8页 (文件大小:114K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
UNISONIC TECHNOLOGIES CO., LTD  
78TXXA  
LINEAR INTEGRATED CIRCUIT  
3-TERMINAL 1A POSITIVE  
VOLTAGE REGULATOR  
1
DESCRIPTION  
TO-263  
The UTC 78TXXA family is monolithic fixed voltage regulator  
integrated circuit. They are suitable for applications that required  
supply current up to 1 A.  
FEATURES  
1
*Peak output current up to 1 A  
*Fixed output voltage of 3.3V, 4.7V ,5V, 6V, 7V, 8V, 9V, 10V, 12V,  
15V, 18V and 24V available  
TO-263-3  
*Thermal overload shutdown protection  
*Short circuit current limiting  
*Pb-free plating product number: 78TXXAL  
*Output transistor SOA protection  
ORDERING INFORMATION  
Order Number  
Pin Assignment  
Package  
Packing  
Normal  
Lead Free Plating  
1
I
2
3
78TxxA-TQ2-D-R  
78TxxA-TQ3-D-R  
78TxxAL-TQ2-D-R  
78TxxAL-TQ3-D-R  
G
G
O
O
TO-263  
Tape Reel  
Tape Reel  
I
TO-263-3  
Note: xx: output voltage, refer to Marking Information  
MARKING INFORMATION  
PACKAGE VOLTAGE CODE  
MARKING  
33 :3.3V  
47 :4.7V  
05 :5.0V  
06 :6.0V  
07 :7.0V  
UTC  
78TXXA  
TO-263  
TO-263-3  
08 :8.0V  
09 :9.0V  
10 :10V  
12 :12V  
15 :15V  
18 :18V  
24 :24V  
VOLTAGE CODE  
DATE CODE  
1
2
3
www.unisonic.com.tw  
Copyright © 2005 Unisonic Technologies Co., Ltd.  
1 of 8  
QW-R101-011,F  
78TXXA  
LINEAR INTEGRATED CIRCUIT  
TEST CIRCUIT  
INPUT  
1
Z2  
R13  
R14  
R17  
T8  
R9  
T12  
T14  
R19  
T10  
T9  
R18  
R12  
T13  
OUTPUT  
T11  
R11  
R10  
T5  
3
T6  
R8  
R15  
R5  
T4  
Z1  
T15  
R4  
R2  
R6  
C1  
T7  
R7  
R1  
T3  
R16  
T1  
T2  
R3  
GND  
2
UNISONIC TECHNOLOGIES CO., LTD  
2 of 8  
QW-R101-011,F  
www.unisonic.com.tw  
78TXXA  
LINEAR INTEGRATED CIRCUIT  
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)  
PARAMETER  
VOUT=3.3~18V  
OUT=24V  
SYMBOL  
VIN  
RATING  
UNIT  
V
35  
Input Voltage  
V
VIN  
40  
1
V
Output Current  
IOUT  
PD  
TJ  
A
Power Dissipation  
Junction Temperature  
Internally Limited  
+125  
W
°C  
°C  
°C  
Operating Junction Temperature  
Storage Temperature  
TOPR  
TSTG  
0~ +70  
-40~ +150  
Note 1. 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.  
2. The device is guaranteed to meet performance specification within 0~+70operating temperature range  
and assured by design from -20~+85.  
ELECTRICAL CHARACTERISTICS  
FOR 78T33A (VIN=5.8V, IOUT=0.5A, TJ= 0°C-125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
TJ=25°C, IOUT=5mA-1.0A  
VIN=5.8V~18.3V, IOUT=5mA-1.0A, PD15W 3.135  
TJ=25°C, IOUT=5mA-1.0A  
TJ=25°C, IOUT=0.25A-0.75A  
VIN=5.8V~18.3V, TJ=25°C  
VIN=5.8V~18.3V, TJ=25°C, IOUT=1.0A  
TJ=25°C, IOUT1.0A  
MIN TYP MAX UNIT  
3.168 3.30 3.432  
V
V
Output Voltage  
VOUT  
3.465  
33  
mV  
mV  
mV  
mV  
mA  
mA  
mA  
µV  
Load Regulation  
VOUT  
17  
33  
Line regulation  
VOUT  
IQ  
33  
Quiescent Current  
8.0  
1.0  
0.5  
VIN=5.8V~18.3V  
Quiescent Current Change  
IQ  
eN  
I
OUT=5mA-1.0A  
Output Noise Voltage  
10Hzf100kHz  
55  
-0.4  
57  
Temperature coefficient of Vo Vo/T IOUT=5Ma  
Ripple Rejection  
mV/°C  
dB  
RR  
IPEAK  
ISC  
VIN=6.3V-16.3V, f=120Hz,TJ=25°C  
TJ=25°C  
VIN=35V, TJ=25°C  
TJ=25°C  
Peak Output Current  
Short-Circuit Current  
Dropout Voltage  
1.8  
250  
2.0  
A
mA  
V
VD  
FOR 78T47A (VIN=9.7V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
TJ=25°C, IOUT=5mA-1.0A  
VIN=7.2V~19.7V,IOUT=5mA-1.0A,PD15W  
MIN TYP MAX UNIT  
4.512 4.70 4.888  
V
Output Voltage  
VOUT  
4.465  
4.935  
47  
V
mV  
mV  
mV  
mV  
mA  
mA  
mA  
µV  
TJ=25°C, IOUT=5mA-1.0A  
TJ=25°C, IOUT=0.25A-0.75A  
VIN=7.2V~19.7V, TJ=25°C  
VIN=7.2V~19.7V, TJ=25°C, IOUT=1.0A  
TJ=25°C, IOUT1.0A  
Load Regulation  
VOUT  
24  
47  
Line regulation  
VOUT  
IQ  
47  
Quiescent Current  
Quiescent Current Change  
8.0  
1.0  
0.5  
VIN=7.2V~19.7V  
IQ  
eN  
IOUT=5mA-1.0A  
Output Noise Voltage  
Temperature coefficient of Vo  
Ripple Rejection  
10Hzf100kHz  
40  
-0.6  
80  
Vo/T IOUT=5mA  
mV/°C  
dB  
RR  
IPEAK  
ISC  
VIN=7.7V-17.7V, f=120Hz, TJ=25°C  
TJ=25°C  
VIN=35V, TJ=25°C  
TJ=25°C  
62  
Peak Output Current  
Short-Circuit Current  
Dropout Voltage  
1.8  
250  
2.0  
A
mA  
V
VD  
UNISONIC TECHNOLOGIES CO., LTD  
3 of 8  
QW-R101-011,F  
www.unisonic.com.tw  
78TXXA  
LINEAR INTEGRATED CIRCUIT  
ELECTRICAL CHARACTERISTICS(Cont.)  
FOR 78T05A (VIN=10V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN TYP MAX UNIT  
TJ=25°C, IOUT=5mA - 1.0A  
VIN=7.5V~20V,IOUT=5mA-1.0A, PD15W 4.75  
TJ=25°C, IOUT=5mA-1.0A  
TJ=25°C, IOUT=0.25A-0.75A  
VIN=7V~25V, TJ=25°C  
VIN=7.5V~20V, TJ=25°C, IOUT=1.0A  
TJ=25°C, IOUT1.0A  
4.80  
5.0  
5.20  
5.25  
50  
V
V
Output Voltage  
VOUT  
mV  
mV  
mV  
mV  
mA  
mA  
mA  
µV  
Load Regulation  
VOUT  
25  
50  
Line regulation  
VOUT  
IQ  
50  
Quiescent Current  
Quiescent Current Change  
8.0  
1.0  
0.5  
VIN=7.5V~20V  
IQ  
eN  
I
OUT=5mA-1.0A  
Output Noise Voltage  
Temperature coefficient of Vo  
Ripple Rejection  
10Hzf100kHz  
40  
-0.6  
80  
Vo/T IOUT=5mA  
mV/°C  
dB  
RR  
IPEAK  
ISC  
VIN=8V-18V, f=120Hz, TJ=25°C  
TJ=25°C  
VIN=35V, TJ=25°C  
TJ=25°C  
62  
Peak Output Current  
Short-Circuit Current  
Dropout Voltage  
1.8  
250  
2.0  
A
mA  
V
VD  
FOR 78T06A (VIN=11V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
TJ=25°C, IOUT=5mA-1.0A  
VIN=8.5V~21V,IOUT=5mA-1.0A, PD15W 5.70  
TJ=25°C, IOUT=5mA-1.0A  
TJ=25°C, IOUT=0.25A-0.75A  
VIN=8V~25V, TJ=25°C  
VIN=8.5V~21V, TJ=25°C, IOUT=1.0A  
TJ=25°C, IOUT1.0A  
MIN TYP MAX UNIT  
5.76  
6.0  
6.24  
6.30  
60  
V
V
Output Voltage  
VOUT  
mV  
mV  
mV  
mV  
mA  
mA  
mA  
µV  
Load Regulation  
VOUT  
30  
60  
Line regulation  
VOUT  
IQ  
60  
Quiescent Current  
Quiescent Current Change  
8.0  
1.0  
0.5  
VIN=8.5V~21V  
IQ  
eN  
I
OUT=5mA-1.0A  
Output Noise Voltage  
Temperature coefficient of Vo  
Ripple Rejection  
10Hzf100kHz  
45  
-0.7  
75  
Vo/T IOUT=5mA  
mV/°C  
dB  
RR  
IPEAK  
ISC  
VIN=9V-19V, f=120Hz, TJ=25°C  
TJ=25°C  
VIN=35V, TJ=25°C  
TJ=25°C  
59  
Peak Output Current  
Short-Circuit Current  
Dropout Voltage  
1.8  
250  
2.0  
A
mA  
V
VD  
FOR 78T07A (VIN=13V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
TJ=25°C, IOUT=5mA-1.0A  
MIN TYP MAX UNIT  
6.72  
7.0  
7.28  
7.35  
70  
V
V
Output Voltage  
VOUT  
VIN=9.5V~22V,IOUT=5mA-1.0A,PD15W 6.65  
TJ=25°C, IOUT=5mA-1.0A  
TJ=25°C, IOUT=0.25A-0.75A  
VIN=9V~25V, TJ=25°C  
VIN=9.5V~22V, TJ=25°C, IOUT=1.0A  
TJ=25°C, IOUT1.0A  
mV  
mV  
mV  
mV  
mA  
mA  
mA  
µV  
Load Regulation  
VOUT  
35  
70  
Line regulation  
VOUT  
IQ  
70  
Quiescent Current  
Quiescent Current Change  
8.0  
1.0  
0.5  
VIN=9.5V~22V  
IQ  
IOUT=5mA-1.0A  
Output Noise Voltage  
Temperature coefficient of Vo  
Ripple Rejection  
eN  
Vo/T  
RR  
10Hzf100kHz  
50  
-0.8  
75  
IOUT=5mA  
mV/°C  
dB  
VIN=10V-20V, f=120Hz, TJ=25°C  
TJ=25°C  
VIN=35V, TJ=25°C  
TJ=25°C  
59  
Peak Output Current  
Short-Circuit Current  
Dropout Voltage  
IPEAK  
ISC  
1.7  
250  
2.0  
A
mA  
V
VD  
UNISONIC TECHNOLOGIES CO., LTD  
4 of 8  
QW-R101-011,F  
www.unisonic.com.tw  
78TXXA  
LINEAR INTEGRATED CIRCUIT  
ELECTRICAL CHARACTERISTICS(Cont.)  
FOR 78T08A (VIN=14V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
TJ=25°C, IOUT=5mA-1.0A  
VIN=10.5V~23V,IOUT=5mA-1.0A,PD15W 7.60  
TJ=25°C, IOUT=5mA-1.0A  
TJ=25°C, IOUT=0.25A-0.75A  
VIN=10.5V~25V, TJ=25°C  
VIN=10.5V~23V, TJ=25°C, IOUT=1.0A  
TJ=25°C, IOUT1.0A  
MIN TYP MAX UNIT  
7.68 8.0  
8.32  
8.40  
80  
V
V
Output Voltage  
VOUT  
mV  
mV  
mV  
mV  
mA  
mA  
mA  
µV  
Load Regulation  
VOUT  
40  
80  
Line regulation  
VOUT  
IQ  
80  
Quiescent Current  
Quiescent Current Change  
8.0  
1.0  
0.5  
VIN=10.5V~23V  
IQ  
I
OUT=5mA-1.0A  
Output Noise Voltage  
Temperature coefficient of Vo  
Ripple Rejection  
eN  
Vo/T  
RR  
10Hzf100kHz  
IOUT=5mA  
58  
-0.9  
72  
mV/°C  
dB  
VIN=11.5V~21.5V, f=120Hz, TJ=25°C  
TJ=25°C  
VIN=35V, TJ=25°C  
TJ=25°C  
56  
Peak Output Current  
Short-Circuit Current  
Dropout Voltage  
IPEAK  
ISC  
1.8  
250  
2.0  
A
mA  
V
VD  
FOR 78T09A (VIN=15V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN TYP MAX UNIT  
TJ=25°C, IOUT=5mA - 1.0A  
VIN=11.5V~24V,IOUT=5mA-1.0A,PD15W 8.55  
TJ=25°C, IOUT=5mA-1.0A  
TJ=25°C, IOUT=0.25A-0.75A  
VIN=11.5V~25 V, TJ=25°C  
VIN=11.5V~24V, TJ=25°C, IOUT=1.0A  
TJ=25°C, IOUT1.0A  
8.64 9.0  
9.36  
9.45  
90  
V
V
Output Voltage  
VOUT  
mV  
mV  
mV  
mV  
mA  
mA  
mA  
µV  
Load Regulation  
VOUT  
45  
90  
Line regulation  
VOUT  
IQ  
90  
Quiescent Current  
Quiescent Current Change  
8.0  
1.0  
0.5  
VIN=11.5V~24V  
IQ  
I
OUT=5mA–1.0A  
Output Noise Voltage  
eN  
Vo/T  
RR  
10Hzf100kHz  
IOUT=5mA  
58  
-1.1  
72  
Temperature coefficient of Vo  
mV/°C  
dB  
VIN=12.5V~22.5V,  
f=120Hz, TJ=25°C  
TJ=25°C  
VIN=35V, TJ=25°C  
TJ=25°C  
56  
Ripple Rejection  
Peak Output Current  
Short-Circuit Current  
Dropout Voltage  
IPEAK  
ISC  
1.8  
250  
2.0  
A
mA  
V
VD  
FOR 78T10A (VIN=16V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
TJ=25°C, IOUT=5mA-1.0A  
MIN TYP MAX UNIT  
9.60 10.0 10.40  
V
V
Output Voltage  
VOUT  
VIN=12.5V~25V,IOUT=5mA-1.0A,PD15W 9.50  
TJ=25°C, IOUT=5mA-1.0A  
TJ=25°C, IOUT=0.25A-0.75A  
VIN=13V~25V, TJ=25°C  
VIN=13V~25V, TJ=25°C, IOUT=1.0A  
TJ=25°C, IOUT1.0A  
10.50  
100  
50  
mV  
mV  
mV  
mV  
mA  
mA  
mA  
µV  
Load Regulation  
VOUT  
100  
100  
8.0  
Line regulation  
VOUT  
IQ  
Quiescent Current  
Quiescent Current Change  
VIN=12.6V~25V  
1.0  
IQ  
eN  
IOUT=5mA-1.0A  
0.5  
Output Noise Voltage  
Temperature coefficient of Vo  
Ripple Rejection  
10Hzf100kHz  
58  
-1.1  
72  
Vo/T IOUT=5mA  
mV/°C  
dB  
RR  
IPEAK  
ISC  
VIN=13V-23V, f=120Hz, TJ=25°C  
TJ=25°C  
VIN=35V, TJ=25°C  
TJ=25°C  
56  
Peak Output Current  
Short-Circuit Current  
Dropout Voltage  
1.8  
250  
2.0  
A
mA  
V
VD  
UNISONIC TECHNOLOGIES CO., LTD  
5 of 8  
QW-R101-011,F  
www.unisonic.com.tw  
78TXXA  
LINEAR INTEGRATED CIRCUIT  
ELECTRICAL CHARACTERISTICS(Cont.)  
FOR 78T12A (VIN=19V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
TJ=25°C, IOUT=5mA-1.0A  
VIN=14.5V~27V,IOUT=5mA-1.0A,PD15W 11.40  
TJ=25°C, IOUT=5mA-1.0A  
TJ=25°C, IOUT=0.25A-0.75A  
VIN=14.5V~30V, TJ=25°C  
VIN=14.6V~27V, TJ=25°C, IOUT=1.0A  
TJ=25°C, IOUT1.0A  
MIN TYP MAX UNIT  
11.52 12.0 12.48  
V
V
Output Voltage  
VOUT  
12.60  
120  
60  
mV  
mV  
mV  
mV  
mA  
mA  
mA  
µV  
Load Regulation  
VOUT  
120  
120  
8.0  
Line regulation  
VOUT  
IQ  
Quiescent Current  
Quiescent Current Change  
VIN=14.5V~30V  
1.0  
IQ  
eN  
I
OUT=5mA-1.0A  
0.5  
Output Noise Voltage  
Temperature coefficient of Vo  
Ripple Rejection  
10Hzf100kHz  
75  
-1.5  
72  
Vo/T IOUT=5mA  
mV/°C  
dB  
RR  
IPEAK  
ISC  
VIN=15V-25V, f=120Hz, TJ=25°C  
TJ=25°C  
VIN=35V, TJ=25°C  
TJ=25°C  
55  
Peak Output Current  
Short-Circuit Current  
Dropout Voltage  
1.8  
250  
2.0  
A
mA  
V
VD  
FOR 78T15A (VIN=23V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
TJ=25°C, IOUT=5mA-1.0A  
VIN=17.5V~30V,IOUT=5mA-1.0A,PD15W 14.25  
TJ=25°C, IOUT=5mA-1.0A  
TJ=25°C, IOUT=0.25A-0.75A  
VIN=18.5V~30V, TJ=25°C  
VIN=17.7V~30V, TJ=25°C, IOUT=1.0A  
TJ=25°C, IOUT1.0A  
MIN TYP MAX UNIT  
14.40 15.0 15.60  
V
V
Output Voltage  
VOUT  
15.75  
150  
75  
mV  
mV  
mV  
mV  
mA  
mA  
mA  
µV  
Load Regulation  
VOUT  
150  
150  
8.0  
Line regulation  
VOUT  
IQ  
Quiescent Current  
Quiescent Current Change  
VIN=17.5V~30V  
1.0  
IQ  
eN  
I
OUT=5mA-1.0A  
0.5  
Output Noise Voltage  
Temperature coefficient of Vo  
Ripple Rejection  
10Hzf100kHz  
90  
-1.8  
70  
Vo/T IOUT=5mA  
mV/°C  
dB  
RR  
IPEAK  
ISC  
VIN=18.5V~28.5V, f=120Hz, TJ=25°C  
TJ=25°C  
VIN=35V, TJ=25°C  
TJ=25°C  
54  
Peak Output Current  
Short-Circuit Current  
Dropout Voltage  
1.8  
250  
2.0  
A
mA  
V
VD  
FOR 78T18A (VIN=27V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
TJ=25°C, IOUT=5mA-1.0A  
MIN TYP MAX UNIT  
17.28 18.0 18.72  
V
V
Output Voltage  
VOUT  
VIN=21V~33V, IOUT=5mA-1.0A, PD15W 17.10  
TJ=25°C, IOUT=5mA-1.0A  
TJ=25°C, IOUT=0.25A-0.75A  
VIN=21V~33V, TJ=25°C  
VIN=21V~33V, TJ=25°C, IOUT=1.0A  
TJ=25°C, IOUT1.0A  
18.90  
180  
90  
mV  
mV  
mV  
mV  
mA  
mA  
mA  
µV  
Load Regulation  
VOUT  
180  
180  
8.0  
Line regulation  
VOUT  
IQ  
Quiescent Current  
Quiescent Current Change  
VIN=21.5V~33V  
1.0  
IQ  
eN  
IOUT=5mA-1.0A  
0.5  
Output Noise Voltage  
Temperature coefficient of Vo  
Ripple Rejection  
10Hzf100kHz  
110  
-2.2  
69  
Vo/T IOUT=5mA  
mV/°C  
dB  
RR  
IPEAK  
ISC  
VIN=22V-32V, f=120Hz, TJ=25°C  
TJ=25°C  
VIN=35V, TJ=25°C  
TJ=25°C  
53  
Peak Output Current  
Short-Circuit Current  
Dropout Voltage  
1.8  
250  
2.0  
A
mA  
V
VD  
UNISONIC TECHNOLOGIES CO., LTD  
6 of 8  
QW-R101-011,F  
www.unisonic.com.tw  
78TXXA  
LINEAR INTEGRATED CIRCUIT  
ELECTRICAL CHARACTERISTICS(Cont.)  
FOR 78T24A (VIN=33V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
TJ=25°C, IOUT=5mA-1.0A  
MIN TYP MAX UNIT  
23.04 24.0 24.96  
V
V
Output Voltage  
VOUT  
VIN=27V~38V, IOUT=5mA-1.0A, PD15W 22.80  
TJ=25°C, IOUT=5mA-1.0A  
TJ=25°C, IOUT=0.25A-0.75A  
VIN=27V~38V, TJ=25°C  
VIN=27V~38V, TJ=25°C, IOUT=1.0A  
TJ=25°C, IOUT1.0A  
25.20  
240  
120  
240  
240  
8.0  
mV  
mV  
mV  
mV  
mA  
mA  
mA  
µV  
Load Regulation  
VOUT  
Line regulation  
VOUT  
IQ  
Quiescent Current  
VIN=28V~38V  
1.0  
Quiescent Current Change  
IQ  
eN  
IOUT=5mA-1.0A  
0.5  
Output Noise Voltage  
10Hzf100kHz  
170  
-2.8  
66  
Temperature coefficient of Vo Vo/T IOUT=5mA  
Ripple Rejection  
mV/°C  
dB  
RR  
IPEAK  
ISC  
VIN=28V-38V, f=120Hz, TJ=25°C  
TJ=25°C  
VIN=35V, TJ=25°C  
TJ=25°C  
50  
Peak Output Current  
Short-Circuit Current  
Dropout Voltage  
1.8  
250  
2.0  
A
mA  
V
VD  
Note 1: The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead length  
of the package and copper pattern of PCB. The data above represents pulse test conditions with junction  
temperatures specified at the initiation of test.  
Note 2: Power dissipation<0.5W  
UNISONIC TECHNOLOGIES CO., LTD  
7 of 8  
QW-R101-011,F  
www.unisonic.com.tw  
78TXXA  
LINEAR INTEGRATED CIRCUIT  
APPLICATION CIRCUIT  
VIN  
VOUT  
1
3
UTC 78TXXA  
2
C1  
0.33 µF  
C0  
0.1 µF  
Note 1: To specify an output voltage, substitute voltage value for "XX".  
Note 2: Bypass capacitors are recommended for optimum stability and transient response and should be located as  
close as possible to the regulators.  
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  
8 of 8  
QW-R101-011,F  
www.unisonic.com.tw  

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