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KA7818A Folha de dados(PDF) 10 Page - Fairchild Semiconductor

Nome de Peças KA7818A
Descrição Electrónicos  3-Terminal 1A Positive Voltage Regulator
Download  28 Pages
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Fabricante Electrônico  FAIRCHILD [Fairchild Semiconductor]
Página de início  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA7818A Folha de dados(HTML) 10 Page - Fairchild Semiconductor

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KA78XX/KA78XXA
10
Electrical Characteristics (KA7824)
(Refer to test circuit ,0°C < TJ < 125°C, IO = 500mA, VI =33V, CI= 0.33
µF, 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.
Parameter
Symbol
Conditions
KA7824
Unit
Min.
Typ.
Max.
Output Voltage
VO
TJ =+25
oC23
24
25
5.0mA
≤ IO ≤ 1.0A, PO ≤ 15W
VI = 27V to 38V
22.8
24
25.25
V
Line Regulation (Note1)
Regline
TJ =+25
oC
VI = 27V to 38V
-
17
480
mV
VI = 30V to 36V
-
6
240
Load Regulation (Note1)
Regload TJ =+25
oC
IO = 5mA to 1.5A
-
15
480
mV
IO = 250mA to 750mA
-
5.0
240
Quiescent Current
IQ
TJ =+25
oC-
5.2
8.0
mA
Quiescent Current Change
∆IQ
IO = 5mA to 1.0A
-
0.1
0.5
mA
VI = 27V to 38V
-
0.5
1
Output Voltage Drift
∆VO/∆TIO = 5mA
-
-1.5
-
mV/
oC
Output Noise Voltage
VN
f = 10Hz to 100KHz, TA =+25
oC-
60
-
µV/Vo
Ripple Rejection
RR
f = 120Hz
VI = 28V to 38V
50
67
-
dB
Dropout Voltage
VDrop
IO = 1A, TJ=+25
oC-
2
-
V
Output Resistance
rO
f = 1KHz
-
28
-
m
Short Circuit Current
ISC
VI = 35V, TA=+25
oC
-
230
-
mA
Peak Current
IPK
TJ =+25
oC-
2.2
-
A


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