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KA79LXXA View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
KA79LXXA
Fairchild
Fairchild Semiconductor Fairchild
KA79LXXA Datasheet PDF : 12 Pages
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KA79LXXA
Electrical Characteristics(KA79L18A) (Continued)
(VI = -27V, IO = 40mA, CI = 0.33µF, CO = 0.1µF, 0°C TJ +125°C, unless otherwise specified)
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
Output Voltage
VO TJ = +25°C
-17.3 -18.0 -18.7 V
Line Regulation (Note1)
VO TJ = +25°C
-20.7V VI -33V
-21V VI -33V
-
- 325 mV
-
- 275 mV
Load Regulation (Note1)
VO TJ = +25°C
1.0mA IO 100mA
1.0mA IO 40mA
-
-
- 170 mV
- 85 mV
Output Voltage
VO
-20.7V > VI > -33V, 1.0mA IO 40mA -17.1 -
VI = -27V, 1.0mA IO 70mA
-17.1 -
-18.9 V
-18.9 V
Quiescent Current
TJ = +25°C
IQ
TJ = +125°C
-
- 6.5
mA
-
- 6.0
Quiescent Current With Line IQ
Change
With Load IQ
-21V VI -33V
1.0mA IO 40mA
-
- 1.5 mA
-
- 0.1 mA
Output Noise Voltage
VN TA =+25°C,10Hz f 100kHz
- 150 - µV
Ripple Rejection
RR
f = 120Hz, -23V VI -33V
TJ = +25°C
33 48 - dB
Dropout Voltage
VD TJ = +25°C
- 1.7 -
V
Note
1. 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.
6
 

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