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LM7812A Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. LM7812A
Description  3-TERMINAL 1A POSITIVE VOLTAGE REGULATORS
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7806/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test circuit, TMIN <TJ <TMAX, IO=500mA, VI= 11V CI= 0.33
µF, C
O= 0.1
µF, unless otherwise specified)
* TMIN <TJ <TMAX
LM78XXI/RI: TMIN= - 40
°C, T
MAX = +125
°C
LM78XX/R: TMIN= 0
°C, T
MAX= +125
°C
* Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
LM7806I
LM7806
Min
Typ
Max
Min
Typ
Max
TJ =+25
°C
5.75
6.0
6.25
5.75
6.0
6.25
Output Voltage
VO
5.0mA
≤ I
O
≤1.0A, P
D
≤ 15W
VI = 8.0V to 21V
VI = 9.0V to 21V
5.7
6.0
6.3
5.7
6.0
6.3
V
VI = 8V to 25V
5
120
5
120
VI = 9V to 13V
1.5
60
1.5
60
IO =5mA to 1.5A
9
120
9
120
IO =250mA to750A
3
60
3
60
Quiescent Current
IQ
TJ =+25
°C
5.0
8
5.0
8
mA
IO = 5mA to 1A
0.5
0.5
Quiescent Current Change
∆I
Q
VI = 8V to 25V
1.3
mA
VI = 9V to 25V
1.3
Output Voltage Drift
∆V
O/
∆T IO = 5mA
-0.8
-0.8
mV/
°C
Output Noise Voltage
VN
f = 10Hz to 100Khz, TA =+25
°C
45
45
µV/V
O
Ripple
Rejection
RR
f = 120Hz
VI = 9V to 19V
59
75
59
75
dB
Dropout Voltage
VD
IO = 1A, TJ =+25
°C
2
2
V
Output Resistance
RD
f = 1KHz
19
19
m
Short Circuit Current
ISC
VI= 35V, TA=+25
°C
250
250
mA
Peak Current
IPK
TJ =+25
°C
2.2
2.2
A
Line Regulation
Load Regulation
∆V
O
∆V
O
TJ=+25
°C
TJ=+25
°C
mV
mV
Characteristic
Symbol
Test Conditions
Unit




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