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KA7912 Scheda tecnica(PDF) 10 Page - Fairchild Semiconductor

Il numero della parte KA7912
Spiegazioni elettronici  3-Terminal 1A Negative Voltage Regulator
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Produttore elettronici  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA7912 Scheda tecnica(HTML) 10 Page - Fairchild Semiconductor

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KA79XX/KA79XXA
10
Electrical Characteristics (KA7924) (Continued)
(VI = -33V, 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
-23
-24
-25
V
IO = 5mA to 1A, PO
≤ 15W
VI = -27V to -38V
-22.8
-24
-25.2
Line Regulation (Note1)
∆VO
TJ =+25
°C
VI = -27V to -38V
-
15
480
mV
VI = -30V to -36V
-
8
180
Load Regulation (Note1)
∆VO
TJ = +25
°C, IO = 5mA to 1.5A
-
15
480
mV
TJ = +25
°C, IO = 250mA to 750mA
-
5
240
Quiescent Current
IQ
TJ = +25
°C-
3
6
mA
Quiescent Current Change
∆IQ
IO = 5mA to 1A
-
0.05
0.5
mA
VI = -27V to -38V
-
0.1
1
Temperature Coefficient of VD
∆Vo/∆TIO = 5mA
-
-1
-
mV/
°C
Output Noise Voltage
VN
f = 10Hz to 100kHz, TA =+25
°C
-
400
-
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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