78TXXAA
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
For UTC 78T12AA (VIN =19V)
PARAMETER
SYMBOL
VOUT
TEST CONDITIONS
TJ =25°C, IOUT=5mA ~ 1.0A
VIN =14.5V ~ 27V,
MIN
TYP MAX UNIT
11.52 12.0 12.48
V
Output Voltage
11.40
12.60
V
I
OUT=5mA ~ 1.0A,PD≤15W
Dropout Voltage
Load Regulation
VD
TJ =25°C
2.0
V
mV
mV
mV
mV
mA
mA
mA
μV
TJ =25°C,IOUT=5mA ~ 1.5A
TJ =25°C,IOUT=0.25A ~ 0.75A
100
50
VOUT
VIN =14.5V ~ 30V, TJ =25°C
120
120
8.0
1.0
0.5
Line regulation
VOUT
IQ
VIN =14.6V ~ 27V, TJ =25°C, IOUT=1.0A
Quiescent Current
Quiescent Current Change
TJ =25°C, IOUT≤1.0A
VIN =14.5V ~ 30V
IQ
eN
IOUT=5mA ~ 1.0A
Output Noise Voltage
Temperature Coefficient of Vo
Ripple Rejection
10Hz≤f≤100kHz
75
-1.5
72
Vo/T IOUT=5mA
mV/°C
dB
RR
IPEAK
ISC
VIN =15V - 25V,f=120Hz, TJ =25°C
55
Peak Output Current
Short-Circuit Current
TJ =25°C
1.8
250
A
VIN =35V, TJ =25°C
mA
For UTC 78T15AA (VIN =23V)
PARAMETER
SYMBOL
VOUT
TEST CONDITIONS
MIN
TYP MAX UNIT
TJ =25°C, IOUT=5mA ~ 1.0A
VIN =17.5V ~ 30V,
OUT=5mA ~ 1.0A,PD≤15W
14.40 15.0 15.60
V
Output Voltage
14.25
15.75
V
I
Dropout Voltage
Load Regulation
VD
TJ =25°C
2.0
V
mV
mV
mV
mV
mA
mA
mA
μV
TJ =25°C,IOUT=5mA ~ 1.5A
TJ =25°C,IOUT=0.25A ~ 0.75A
100
50
VOUT
VIN =18.5V ~ 30V, TJ =25°C
150
150
8.0
1.0
0.5
Line regulation
VOUT
IQ
VIN =17.7V ~ 30V, TJ =25°C, IOUT =1.0A
Quiescent Current
Quiescent Current Change
TJ =25°C, IOUT≤1.0A
VIN =17.5V ~ 30V
IQ
eN
IOUT=5mA ~ 1.0A
Output Noise Voltage
Temperature Coefficient of Vo
Ripple Rejection
10Hz≤f≤100kHz
90
-1.8
70
Vo/T IOUT=5mA
mV/C
dB
RR
IPEAK
ISC
VIN =18.5V ~ 28.5V,f=120Hz, TJ =25°C
54
Peak Output Current
Short-Circuit Current
TJ =25°C
1.8
250
A
VIN =35V, TJ =25°C
mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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