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MC7812CT View Datasheet(PDF) - Fairchild Semiconductor

Part NameDescriptionManufacturer
MC7812CT 3-Terminal 1A Positive Voltage Regulator Fairchild
Fairchild Semiconductor Fairchild
MC7812CT Datasheet PDF : 28 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7812)
(Refer to test circuit ,0°C < TJ < 125°C, IO = 500mA, VI =19V, CI= 0.33µF, CO=0.1µF, unless otherwise specified)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
Symbol
Conditions
VO
Regline
Regload
IQ
IQ
VO/T
VN
RR
VDrop
rO
ISC
IPK
TJ =+25 oC
5.0mA IO1.0A, PO15W
VI = 14.5V to 27V
TJ =+25 oC
VI = 14.5V to 30V
VI = 16V to 22V
TJ =+25 oC
TJ =+25 oC
IO = 5mA to 1.5A
IO = 250mA to 750mA
IO = 5mA to 1.0A
VI = 14.5V to 30V
IO = 5mA
f = 10Hz to 100KHz, TA =+25 oC
f = 120Hz
VI = 15V to 25V
IO = 1A, TJ=+25 oC
f = 1KHz
VI = 35V, TA=+25 oC
TJ = +25 oC
MC7812
Unit
Min. Typ. Max.
11.5 12 12.5
11.4 12 12.6
V
- 10 240
mV
- 3.0 120
- 11 240
mV
- 5.0 120
- 5.1 8.0 mA
- 0.1 0.5
mA
- 0.5 1.0
-
-1
- mV/ oC
- 76 - µV/Vo
55 71 -
dB
-
2
-
V
- 18 -
m
- 230 -
mA
- 2.2 -
A
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
7
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