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KA7812ER データシート(PDF) 4 Page - Fairchild Semiconductor

部品番号 KA7812ER
部品情報  3-Terminal 1A Positive 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

KA7812ER データシート(HTML) 4 Page - Fairchild Semiconductor

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KA78XXE/KA78XXAE
4
Electrical Characteristics (KA7808E/KA7808ER) (Continued)
(Refer to test circuit, 0
°C < TJ < 125°C, IO = 500mA, VI =14V, CI= 0.33µF, CO=0.1µF, 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.
2. These parameters, although guaranteed, are not 100% tested in production.
Parameter
Symbol
Conditions
KA7808E
Unit
Min.
Typ.
Max.
Output Voltage
VO
TJ =+25
°C
7.7
8.0
8.3
5.0mA ≤ IO ≤ 1.0A, PO ≤ 15W
VI = 10.5V to 23V
7.6
8.0
8.4
V
Line Regulation (Note1)
Regline
TJ =+25
°C
VI = 10.5V to 25V
-
5.0
160
mV
VI = 11.5V to 17V
-
2.0
80
Load Regulation (Note1)
Regload
TJ =+25
°C
IO = 5.0mA to 1.5A
-
10
160
mV
IO = 250mA to 750mA
-
5.0
80
Quiescent Current
IQ
TJ =+25
°C-
5.0
8.0
mA
Quiescent Current Change
∆IQ
IO = 5mA to 1.0A
-
0.05
0.5
mA
VI = 10.5A to 25V
-
0.5
1.0
Output Voltage Drift (Note2)
∆VO/∆TIO = 5mA
-
-0.8
-
mV/
°C
Output Noise Voltage
VN
f = 10Hz to 100kHz, TA =+25
°C-
52
-
µV/Vo
Ripple Rejection (Note2)
RR
f = 120Hz, VI= 11.5V to 21.5V
56
73
-
dB
Dropout Voltage
VDrop
IO = 1A, TJ=+25
°C-
2
-
V
Output Resistance (Note2)
rO
f = 1kHz
-
17
-
m
Short Circuit Current
ISC
VI = 35V, TA =+25
°C
-
230
-
mA
Peak Current (Note2)
IPK
TJ =+25
°C-
2.2
-
A


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