Data Sheet
1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR
AS78XXA
Electrical Characteristics (Continued)
AS7808A (VIN=14V, IOUT=1A, TJ=-40 to 125oC, unless otherwise specified.)
Parameter
Symbol
Conditions
Min Typ Max Unit
TJ=25oC
7.84
7.7
8
8.16
8.3
VOUT
Output Voltage
V
IOUT=5mA to 1A, VIN=10.6V to 23V,
PD≤15W
VIN=10.6V to 23V,
IOUT=500mA, TJ=25oC
VRLINE
Line Regulation
25
75
mV
VIN=14V, IOUT=5mA to 1A, TJ=25oC
VRLOAD
IQ
Load Regulation
Quiescent Current
25
75
6
mV
mA
VIN=14V, IOUT=0
3.2
VIN=10.6V to 23V, IOUT=500mA,
TJ=25oC
IOUT=5mA to 1A, TJ=25oC
0.3
0.08
62
0.8
0.5
∆IQ
Quiescent Current Change
mA
VIN=11.5V to 21.5V, f=120Hz,
Ripple Rejection
PSRR
dB
IOUT=500mA
∆VOUT=1%, IOUT=1A, TJ=25oC
VDROP
Dropout Voltage
2
10
V
f=10Hz to 100kHz, TA=25oC
f=1kHz
NO
µV/VO
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
RO
ISC
10
mΩ
A
VIN=35V, TA=25oC
VIN=14V, TJ=25oC
0.2
2.2
0.64
80
IPK
A
mV/oC
ppm/oC
∆VOUT/∆T
(∆VOUT/VOUT)/∆T
Output Voltage
Temperature Coefficient
Aug. 2008 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
7