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KA78XXE Fiches technique(PDF) 3 Page - Fairchild Semiconductor

No de pièce KA78XXE
Description  3-Terminal 1A Positive Voltage Regulator
Download  29 Pages
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Fabricant  FAIRCHILD [Fairchild Semiconductor]
Site Internet  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA78XXE Fiches technique(HTML) 3 Page - Fairchild Semiconductor

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KA78XXE/KA78XXAE Rev. 1.0.
2
Electrical Characteristics (KA7805E/KA7805ER)
Refer to test circuit, 0°C < TJ < 125°C, IO = 500mA, VI = 10V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified.
Notes:
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.
Symbol
Parameter
Conditions
KA7805E/ER
Unit
Min.
Typ.
Max.
VO
Output Voltage
TJ = +25°C
4.8
5.0
5.2
V
5.0mA
≤ IO ≤ 1.0A, PO ≤ 15W
VI = 7V to 20V
4.75
5.0
5.25
Regline
Line Regulation(1)
TJ = +25°CVO = 7V to 25V
4.0
100
mV
VI = 8V to 12V
1.6
50
Regload
Load Regulation(1)
TJ = +25°CIO = 5.0mA to1.5A
9
100
mV
IO = 250mA to 750mA
4
50
IQ
Quiescent Current
TJ = +25°C–
5.0
8.0
mA
∆IQ
Quiescent Current Change
IO = 5mA to 1.0A
0.03
0.5
mA
VI = 7V to 25V
0.3
1.3
∆VO/∆T
Output Voltage Drift(2)
IO = 5mA
-0.8
mV/
°C
VN
Output Noise Voltage
f = 10Hz to 100kHz, TA = +25°C–
42
µV/VO
RR
Ripple Rejection(2)
f = 120Hz, VO = 8V to 18V
62
73
dB
VDrop
Dropout Voltage
IO = 1A, TJ = +25°C–
2
V
rO
Output Resistance(2)
f = 1kHz
15
m
ISC
Short Circuit Current
VI = 35V, TA = +25°C–
230
mA
IPK
Peak Current(2)
TJ = +25°C–
2.2
A


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