Data Sheet
1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR
AS78XXA
Electrical Characteristics
AS7805A (VIN=10V, IOUT=1A, TJ=-40 to 125oC, unless otherwise specified.)
Parameter
Symbol
Conditions
Min Typ Max Unit
TJ=25oC
4.9
4.8
5
5.1
5.2
VOUT
Output Voltage
V
IOUT=5mA to 1A, VIN=7.5V to 20V,
PD≤15W
VIN=7.5V to 20V,
IOUT=500mA, TJ=25oC
VRLINE
Line Regulation
25
50
mV
VIN=10V, IOUT=5mA to 1A, TJ=25oC
VRLOAD
IQ
Load Regulation
Quiescent Current
20
3.2
0.3
0.08
70
50
6
mV
mA
VIN=10V, IOUT=0
VIN=8V to 25V, IOUT=500mA, TJ=25oC
0.8
0.5
∆IQ
Quiescent Current Change
mA
I
OUT=5mA to 1A, TJ=25oC
IN=8V to 18V, f=120Hz, IOUT=500mA
V
Ripple Rejection
PSRR
dB
V
∆VOUT=1%, IOUT=1A, TJ=25oC
f=10Hz to 100kHz, TA=25oC
f=1kHz
VDROP
Dropout Voltage
2
NO
µV/VO
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
10
RO
ISC
10
mΩ
A
VIN=35V, TA=25oC
VIN=10V, TJ=25oC
0.05
2.2
0.4
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
6