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KA7812ER(2003) View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
KA7812ER
(Rev.:2003)
Fairchild
Fairchild Semiconductor Fairchild
KA7812ER Datasheet PDF : 26 Pages
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KA78XXE/KA78XXAE
Electrical Characteristics (KA7812E/KA7812ER) (Continued)
(Refer to test circuit, 0°C < TJ < 125°C, IO = 500mA, VI =19V, CI= 0.33µF, CO=0.1µF, unless otherwise specified)
Parameter
Symbol
Conditions
KA7812E/KA7812ER
Unit
Min. Typ. Max.
Output Voltage
TJ =+25°C
VO 5.0mA IO1.0A, PO15W
VI = 14.5V to 27V
11.5 12 12.5
11.4 12 12.6
V
Line Regulation (Note1)
Regline TJ =+25°C
VI = 14.5V to 30V
VI = 16V to 22V
- 10 240
mV
- 3.0 120
Load Regulation (Note1) Regload TJ =+25°C
IO = 5mA to 1.5A
-
11 240
mV
IO = 250mA to 750mA - 5.0 120
Quiescent Current
IQ TJ =+25°C
- 5.1 8.0 mA
Quiescent Current Change
IQ IO = 5mA to 1.0A
VI = 14.5V to 30V
- 0.1 0.5
mA
- 0.5 1.0
Output Voltage Drift (Note2) VO/T IO = 5mA
-
-1
- mV/°C
Output Noise Voltage
VN f = 10Hz to 100kHz, TA =+25°C
-
76
- µV/Vo
Ripple Rejection (Note2)
RR
f = 120Hz
VI = 15V to 25V
55 71
-
dB
Dropout Voltage
VDrop IO = 1A, TJ=+25°C
-
2
-
V
Output Resistance (Note2)
rO f = 1kHz
-
18
-
m
Short Circuit Current
ISC VI = 35V, TA=+25°C
- 230 -
mA
Peak Current (Note2)
IPK TJ = +25°C
- 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.
2. These parameters, although guaranteed, are not 100% tested in production.
6
 

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