Electrical Characteristics (KA7818AE) (Continued)
Refer to the test circuits. 0°C < TJ < +125°C, IO = 1A, VI = 27V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified.
KA7818AE
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
VO
Output Voltage
Regline Line Regulation(33)
Regload Load Regulation(33)
IQ
Quiescent Current
∆IQ
Quiescent Current Change
∆V/∆T
VN
RR
Output Voltage Drift(34)
Output Noise Voltage
Ripple Rejection(34)
VDrop
rO
ISC
IPK
Dropout Voltage
Output Resistance(34)
Short Circuit Current
Peak Current(34)
TJ = +25°C
17.64 18 18.36
V
IO = 5mA to 1A, PO ≤ 15W
VI = 21V to 33V
17.3 18 18.7
VI = 21V to 33V, IO = 500mA
–
15 180
mV
VI = 21V to 33V
–
5
180
TJ = +25°C VI = 20.6V to 33V
–
15
180
VI = 24V to 30V
–
5
90
TJ = +25°C, IO = 5mA to 1.5A
–
15
100
mV
IO = 5mA to 1.0A
–
15
100
IO = 250mA to 750mA
–
7
50
TJ = +25°C
–
5.2
6.0
mA
VI = 21V to 33V, TJ = +25°C
–
–
0.8
mA
VI = 21V to 33V, 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 = 22V to 32V
–
57
–
dB
IO = 1A, TJ = +25°C
–
2.0
–
V
f = 1kHz
–
19
–
mΩ
VI = 35V, TA = +25°C
TJ = +25°C
–
250
–
mA
–
2.2
–
A
Notes:
33. 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.
34. These parameters, although guaranteed, are not 100% tested in production.
19
KA78XXE/KA78XXAE Rev. 1.0.2
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