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KA7808 Datasheet(PDF) 3 Page - Fairchild Semiconductor

No. de pieza KA7808
Descripción Electrónicos  3-Terminal 1A Positive Voltage Regulator
Download  28 Pages
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Fabricante Electrónico  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA7808 Datasheet(HTML) 3 Page - Fairchild Semiconductor

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KA78XX/KA78XXA
3
Electrical Characteristics (KA7806/KA7806R)
(Refer to test circuit ,0°C < TJ < 125°C, IO = 500mA, VI =11V, 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
KA7806
Unit
Min.
Typ.
Max.
Output Voltage
VO
TJ =+25
oC
5.75
6.0
6.25
5.0mA ≤ IO ≤ 1.0A, PO ≤ 15W
VI = 8.0V to 21V
5.7
6.0
6.3
V
Line Regulation (Note1)
Regline
TJ =+25
oC
VI = 8V to 25V
-
5
120
mV
VI = 9V to 13V
-
1.5
60
Load Regulation (Note1)
Regload
TJ =+25
oC
IO =5mA to 1.5A
-
9
120
mV
IO =250mA to750mA
-
3
60
Quiescent Current
IQ
TJ =+25
oC-
5.0
8.0
mA
Quiescent Current Change
∆IQ
IO = 5mA to 1A
-
-
0.5
mA
VI = 8V to 25V
-
-
1.3
Output Voltage Drift
∆VO/∆TIO = 5mA
-
-0.8
-
mV/
oC
Output Noise Voltage
VN
f = 10Hz to 100KHz, TA =+25
oC-
45
-
µV/Vo
Ripple Rejection
RR
f = 120Hz
VI = 9V to 19V
59
75
-
dB
Dropout Voltage
VDrop
IO = 1A, TJ =+25
oC-
2
-
V
Output Resistance
rO
f = 1KHz
-
19
-
m
Short Circuit Current
ISC
VI= 35V, TA=+25
oC
-
250
-
mA
Peak Current
IPK
TJ =+25
oC-
2.2
-
A


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