1A Positive Voltage Regulator
LM78xx
For LM7812 (VIN=19V, IOUT=0.5A, C1=0.33µF, CO =0.1µF)
Symbol
Description
LM7812
Min.
Typ.
Max.
VOUT
Output Voltage
11.52 12.0 12.48
11.40 - 12.60
∆VOUT Load Regulation
-
- 120
-
-
60
∆VOUT Line Regulation
-
- 120
-
- 120
IQ
Quiescent Current
-
-
8.0
∆IQ
Quiescent Current Change
-
-
1.0
-
-
0.5
eN
Output Noise Voltage
-
75
-
∆VO/∆T
RR
Temperature coefficient of
VOUT
Ripple Rejection
- -1.5 -
55 72
-
IPEAK
Peak Output Current
-
1.8
-
ISC
Short-Circuit Current
- 250 -
VD
Dropout Voltage
-
2.0
-
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
µV
mV/℃
dB
A
mA
V
Test Conditions
IOUT=5mA-1.0A
14.5V≤VIN≤27V, IOUT=5mA-1.0A
IOUT=5mA-1.0A
IOUT=0.25A-0.75A
14.5V≤VIN≤30V
14.6V≤VIN≤27V, IOUT=1.0A
IOUT≦1.0A
14.5V≤VIN≤30V
IOUT=5mA-1.0A
10Hz≤f≤100KHz
IOUT=5mA
15V≤VIN≤25V, f=120Hz
-
VIN=35V
-
For LM7815 (VIN=23V, IOUT=0.5A, C1=0.33µF, CO =0.1µF)
Symbol
Description
VOUT
Output Voltage
∆VOUT Load Regulation
∆VOUT
IQ
∆IQ
eN
∆VO/∆T
RR
IPEAK
ISC
VD
Line Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of
VOUT
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
LM7815
Min.
Typ.
Max.
14.40 15.0 15.60
14.25 - 15.75
-
- 150
-
-
75
-
- 150
-
- 150
-
-
8.0
-
-
1.0
-
-
0.5
-
90
-
- -1.8 -
54 70
-
-
1.8
-
- 250 -
-
2.0
-
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
µV
mV/℃
dB
A
mA
V
Test Conditions
IOUT=5mA-1.0A
17.5V≤VIN≤30V, IOUT=5mA-1.0A
IOUT=5mA-1.0A
IOUT=0.25A-0.75A
18.5V≤VIN≤30V
17.7V≤VIN≤30V, IOUT=1.0A
IOUT≦1.0A
17.5V≤VIN≤30V
IOUT=5mA-1.0A
10Hz≤f≤100KHz
IOUT=5mA
18.5V≤VIN≤28.5V, f=120Hz
-
VIN=35V
-
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Rev. A/DX 2007-06-04
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