Preliminary Datasheet
3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR
AS78XX
Electrical Characteristics
o
AS7805 (V =10V, I
=1A, T =-40 to 125 C, unless otherwise specified.)
IN
OUT
J
Parameter
Symbol
Conditions
Min Typ Max Unit
TJ=25oC
OUT=5mA to 1A, VIN=7.5V to 20V,
4.9
5
5.1
VOUT
Output Voltage
V
I
4.8
5.2
PD≤15W
VIN=7.5 to 20V, IOUT=1A, TJ=25oC
VIN=10V, IOUT=5mA to 1A, TJ=25oC
VIN=10V
VRLINE
VRLOAD
IQ
Line Regulation
Load Regulation
Quiescent Current
7
25
50
100
6
mV
mV
mA
3.2
0.3
0.08
73
VIN=8 to 25V, IOUT=500mA, TJ=25oC
IOUT=5mA to 1A, TJ=25oC
0.8
0.5
∆IQ
mA
Quiescent Current Change
VIN=8 to 18V, f=120Hz, IOUT=500mA
Ripple Rejection
PSRR
VDROP
NO
dB
V
∆VOUT=1%, IOUT=1A, TJ=25oC
f=10Hz to 100kHz, TA=25oC
Dropout Voltage
2
µV/VO
mΩ
A
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
10
RO
f=1kHz
10
VIN=35V, TA=25oC
VIN=10V, TJ=25oC
0.2
2.2
0.4
80
IPK
A
mV/oC
ppm/oC
∆VOUT/∆T
Output Voltage
Temperature Coefficient
(∆VOUT/VOUT)/∆T
o
AS7812 (V =19V, I
=1A, T =-40 to 125 C, unless otherwise specified.)
J
IN
OUT
Parameter
Symbol
Conditions
Min Typ Max Unit
TJ=25oC
11.75
12
12.25
VOUT
Output Voltage
V
IOUT=5mA to 1A, VIN=14.8V to 27V,
11.5
12.5
PD≤15W
VIN=14.8 to 27V, IOUT=1A, TJ=25oC
VIN=19V, IOUT=5mA to 1A, TJ=25oC
VIN=19V
VRLINE
VRLOAD
IQ
Line Regulation
Load Regulation
Quiescent Current
16
25
120
100
6
mV
mV
mA
3.4
0.3
0.08
60
VIN=15 to 30V, IOUT=500mA, TJ=25oC
IOUT=5mA to 1A, TJ=25oC
0.8
0.5
∆IQ
mA
Quiescent Current Change
VIN=15 to 25V, f=120Hz, IOUT=500mA
Ripple Rejection
PSRR
VDROP
NO
dB
V
∆VOUT=1%, IOUT=1A, TJ=25oC
f=10Hz to 100kHz, TA=25oC
Dropout Voltage
2
µV/VO
mΩ
A
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
10
RO
f=1kHz
11
VIN=35V, TA=25oC
VIN=19V, TJ=25oC
0.2
2.2
0.96
80
IPK
A
mV/oC
ppm/oC
∆VOUT/∆T
Output Voltage
Temperature Coefficient
(∆VOUT/VOUT)/∆T
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
6
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
