Data Sheet
1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR
AS78XXA
Electrical Characteristics (Continued)
AS7815A (VIN=23V, IOUT=1A, TJ=-40 to 125oC, unless otherwise specified.)
Parameter
Symbol
Conditions
Min Typ Max Unit
TJ=25oC
14.7
14.4
15
15.3
15.6
VOUT
Output Voltage
V
IOUT=5mA to 1A, VIN=17.9V to 30V,
PD≤15W
VIN=17.9V to 30V,
IOUT=500mA, TJ=25oC
VRLINE
Line Regulation
35
150
mV
VIN=23V, IOUT=5mA to 1A, TJ=25oC
VRLOAD
IQ
Load Regulation
Quiescent Current
70
150
6
mV
mA
VIN=23V, IOUT=0
3.4
VIN=17.9V to 30V, IOUT=500mA,
TJ=25oC
IOUT=5mA to 1A, TJ=25oC
0.3
0.08
58
0.8
0.5
∆IQ
Quiescent Current Change
mA
VIN=18.5V to 28.5V, f=120Hz,
Ripple Rejection
PSRR
dB
IOUT=500mA
∆VOUT=1%, IOUT=1A, TJ=25oC
VDROP
Dropout Voltage
2
V
f=10Hz to 100kHz, TA=25oC
f=1kHz
NO
µV/VO
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
10
11
RO
ISC
mΩ
A
VIN=35V, TA=25oC
VIN=21V, TJ=25oC
0.2
2.2
1.2
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
10