KA7810A Datasheet, PDF (4/28 Pages) Fairchild Semiconductor – 3-Terminal 1A Positive Voltage Regulator

KA78XX/KA78XXA
Electrical Characteristics (KA7808/KA7808R)
(Refer to test circuit ,0^°C < TJ < 125^°C, IO = 500mA, VI =14V, CI= 0.33µF, CO=0.1µF, unless otherwise specified)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
Symbol
VO
Regline
Regload
IQ
∆IQ
∆VO/∆T
VN
RR
VDrop
rO
ISC
IPK
Conditions
TJ =+25 ^oC
5.0mA ≤ IO ≤ 1.0A, PO ≤ 15W
VI = 10.5V to 23V
TJ =+25 ^oC
VI = 10.5V to 25V
VI = 11.5V to 17V
TJ =+25 ^oC
IO = 5.0mA to 1.5A
IO= 250mA to
750mA
TJ =+25 ^oC
IO = 5mA to 1.0A
VI = 10.5A to 25V
IO = 5mA
f = 10Hz to 100KHz, TA =+25 ^oC
f = 120Hz, VI= 11.5V to 21.5V
IO = 1A, TJ=+25 ^oC
f = 1KHz
VI= 35V, TA =+25 ^oC
TJ =+25 ^oC
KA7808
Unit
Min. Typ. Max.
7.7 8.0 8.3
7.6 8.0 8.4
V
- 5.0 160
mV
- 2.0 80
- 10 160
mV
- 5.0 80
- 5.0 8.0 mA
- 0.05 0.5
mA
- 0.5 1.0
- -0.8 - mV/ ^oC
- 52 - µV/Vo
56 73 -
dB
-
2
-
V
-
17
-
mΩ
- 230 -
mA
- 2.2 -
A
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.
4