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KA7909 データシート(PDF) 8 Page - Fairchild Semiconductor

部品番号 KA7909
部品情報  3-Terminal 1A Negative Voltage Regulator
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メーカー  FAIRCHILD [Fairchild Semiconductor]
ホームページ  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA7909 データシート(HTML) 8 Page - Fairchild Semiconductor

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KA79XX/KA79XXA
8
Electrical Characteristics (KA7915) (Continued)
(VI = -23V, IO = 500mA, 0
°C ≤TJ ≤ +125°C, CI =2.2µF, CO =1µF, unless otherwise specified.)
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.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
VO
TJ = +25
°C
-14.4
-15
-15.6
V
IO = 5mA to 1A, PO
≤ 15W
VI = -18V to -30V
-14.25
-15
-15.75
Line Regulation (Note1)
∆VO
TJ = +25
°C
VI = -17.5V to -30V
-
12
300
mV
VI = -20V to -26V
-
6
150
Load Regulation (Note1)
∆VO
TJ = +25
°C, IO = 5mA to 1.5A
-
12
300
mV
TJ =+25
°C, IO = 250mA to 750mA
-
4
150
Quiescent Current
IQ
TJ =+25
°C-
3
6
mA
Quiescent Current Change
∆IQ
IO = 5mA to 1A
-
0.05
0.5
mA
VI = -17.5V to -30V
-
0.1
1
Temperature Coefficient of VD
∆Vo/∆TIO = 5mA
-
-0.9
-
mV/
°C
Output Noise Voltage
VN
f = 10Hz to 100kHz, TA = +25
°C
-
250
-
µV
Ripple Rejection
RR
f = 120Hz,
∆VI = 10V
54
60
-
dB
Dropout Voltage
VD
TJ = +25
°C, IO = 1A
-
2
-
V
Short Circuit Current
ISC
TJ = +25
°C, VI = -35V
-
300
-
mA
Peak Current
IPK
TJ = +25
°C-
2.2
-
A


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