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KA7805AETU Datasheet, PDF (13/26 Pages) Fairchild Semiconductor – 3-Terminal 1A Positive Voltage Regulator
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Electrical Characteristics (KA7809AE) (Continued)
Refer to the test circuits. 0°C < TJ < +125°C, IO = 1A, VI = 15V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified.
KA7809AE
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
VO
Output Voltage
Regline Line Regulation(21)
Regload Load Regulation(21)
IQ
Quiescent Current
∆IQ
Quiescent Current Change
∆V/∆T
VN
RR
Output Voltage Drift(22)
Output Noise Voltage
Ripple Rejection(22)
VDrop
rO
ISC
IPK
Dropout Voltage
Output Resistance(22)
Short Circuit Current
Peak Current(22)
TJ = +25°C
8.82 9.0 9.18
V
IO = 5mA to 1A, PO ≤ 15W
VI = 11.2V to 24V
8.65 9.0 9.35
VI = 11.7V to 25V, IO = 500mA
–
6
90
mV
VI = 12.5V to 19V
–
4
45
TJ = +25°C VI = 11.5V to 24V –
6
90
VI = 12.5V to 19V –
2
45
TJ = +25°C, IO = 5mA to 1.0A
–
12 100
mV
IO = 5mA to 1.0A
–
12 100
IO = 250mA to 750mA
–
5
50
TJ = +25°C
– 5.0 6.0
mA
VI = 11.7V to 25V, TJ = +25°C
–
–
0.8
mA
VI = 12V to 25V, IO = 500mA
–
–
0.8
IO = 5mA to 1.0A
–
–
0.5
IO = 5mA
– -1.0 – mV/°C
f = 10Hz to 100kHz, TA = +25°C
–
10
– µV/Vo
f = 120Hz, IO = 500mA
VI = 12V to 22V
–
62
–
dB
IO = 1A, TJ = +25°C
–
2.0
–
V
f = 1kHz
–
17
–
mΩ
VI = 35V, TA = +25°C
TJ = +25°C
– 250 –
mA
–
2.2
–
A
Notes:
21. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
22. These parameters, although guaranteed, are not 100% tested in production.
13
KA78XXE/KA78XXAE Rev. 1.0.5
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