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KA78XXE_06 Datasheet(PDF) 6 Page - Fairchild Semiconductor

Part No. KA78XXE_06
Description  3-Terminal 1A Positive Voltage Regulator
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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www.fairchildsemi.com
KA78XXE/KA78XXAE Rev. 1.0.1
Electrical Characteristics (KA7809E/KA7809ER) (Continued)
Refer to test circuit, 0°C < TJ < 125°C, IO = 500mA, VI = 15V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified.
Notes:
7. 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.
8. These parameters, although guaranteed, are not 100% tested in production.
Symbol
Parameter
Conditions
KA7809E/ER
Unit
Min.
Typ.
Max.
VO
Output Voltage
TJ = +25°C
8.65
9
9.35
V
5.0mA
≤ IO ≤ 1.0A, PO ≤ 15W
VI = 11.5V to 24V
8.6
9
9.4
Regline
Line Regulation(7)
TJ = +25°CVI = 11.5V to 25V
6
180
mV
VI = 12V to 17V
2
90
Regload
Load Regulation(7)
TJ = +25°CIO = 5mA to 1.5A
12
180
mV
IO = 250mA to 750mA
4
90
IQ
Quiescent Current
TJ = +25°C–
5.0
8.0
mA
∆IQ
Quiescent Current Change
IO = 5mA to 1.0A
0.5
mA
VI = 11.5V to 26V
1.3
∆VO/∆T
Output Voltage Drift(8)
IO = 5mA
-1
mV/
°C
VN
Output Noise Voltage
f = 10Hz to 100kHz, TA = +25°C–
58
µV/Vo
RR
Ripple Rejection(8)
f = 120Hz
VI = 13V to 23V
56
71
dB
VDrop
Dropout Voltage
IO = 1A, TJ = +25°C–
2
V
rO
Output Resistance(8)
f = 1kHz
17
m
ISC
Short Circuit Current
VI = 35V, TA = +25°C–
250
mA
IPK
Peak Current(8)
TJ = +25°C–
2.2
A




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