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MC7912A View Datasheet(PDF) - Fairchild Semiconductor

Part NameDescriptionManufacturer
MC7912A 3-Terminal 1A Negative Voltage Regulator Fairchild
Fairchild Semiconductor Fairchild
MC7912A Datasheet PDF : 18 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
MC79XX/MC79XXA/LM79XX
Electrical Characteristics (MC7918) (Continued)
(VI = -27V, IO = 500mA, 0°C TJ +125°C, CI =2.2µF, CO =1µF, unless otherwise specified.)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Temperature Coefficient of VD
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
Symbol
VO
VO
VO
IQ
IQ
Vo/T
VN
RR
VD
ISC
IPK
Conditions
TJ = +25°C
IO = 5mA to 1A, PO 15W
VI = -22.5V to -33V
TJ = +25°C
VI = -21V to -33V
VI = -24V to -30V
TJ = +25°C
IO = 5mA to 1.5A
TJ = +25°C
IO = 250mA to 750mA
TJ = +25°C
IO = 5mA to 1A
VI = -21V to -33V
IO = 5mA
f = 10Hz to 100kHz
TA = +25°C
f = 120Hz
VI = 10V
TJ = +25°C
IO = 1A
TJ = +25°C, VI = -35V
TJ = +25°C
Min. Typ. Max. Unit
-17.3 -18 -18.7
V
-17.1 -18 -18.9
- 15 360
mV
-
8 180
- 15 360
mV
-
5 180
-
3
6
mA
- 0.05 0.5
mA
- 0.1 1
- -1 - mV/°C
- 300 -
µV
54 60 -
dB
-
2
-
V
- 300 -
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.
9
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