KA7905 查看數據表（PDF） - Fairchild Semiconductor
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KA7905 Datasheet PDF : 18 Pages
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KA79XX/KA79XXA
Electrical Characteristics (KA7912) (Continued)
(VI = -19V, IO = 500mA, 0°C ≤TJ ≤ +125°C, CI =2.2µF, CO =1µF, unless otherwise specified.)
Parameter
Output Voltage
Symbol
VO
Line Regulation (Note1)
∆VO
Load Regulation (Note1)
∆VO
Quiescent Current
IQ
Quiescent Current Change
∆IQ
Temperature Coefficient of VD ∆Vo/∆T
Output Noise Voltage
VN
Ripple Rejection
RR
Dropout Voltage
VD
Short Circuit Current
ISC
Peak Current
IPK
Conditions
TJ = +25°C
IO = 5mA to 1A, PO ≤ 15W
VI = -15.5V to -27V
TJ = +25°C
VI = -14.5V to -30V
VI = -16V to -22V
TJ = +25°C, IO = 5mA to 1.5A
TJ =+25°C, IO = 250mA to 750mA
TJ =+25°C
IO = 5mA to 1A
VI = -14.5V to -30V
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.
-11.5
-11.4
-
-
-
-
-
-
-
-
-
54
-
-
-
Typ.
-12
-12
12
6
12
4
3
0.05
0.1
-0.8
200
60
2
300
2.2
Max.
-12.5
-12.6
240
120
240
120
6
0.5
1
-
-
-
-
-
-
Unit
V
mV
mV
mA
mA
mV/°C
µV
dB
V
mA
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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