IL78XX
IL7818 ELECTRICAL CHARACTERISTICS
(Refer to test circuit, Tmin<Tj<Tmax, Io=500mA, VI=27V, Ci=0.33 ㎌, Co=0.1 ㎌, unless otherwise sprcified)
Characteristic
Symbol
Vo
Test condition
Min.
17.3
Typ.
18
Max.
18.7
Unit
V
Tj = 25° C
5.0mA ≤Io ≤1.0A, PD ≤15W
VI = 21V to 33V
Output Voltage
17.1
18
18.9
VI = 22V to 33V
VI = 21V to 33V
15
5
360
180
360
180
8
Tj =
25° C
Line Regulation
∆Vo
VI = 24V to 30V
Io = 5.0mA to 1.5A
Io = 250mA to 750mA
Tj = 25° C
mV
15
5
Tj =
25° C
Load Regulation
Quiescent current
∆Vo
Iq
5.2
mA
mA
Io = 5mA to 1A
VI = 21V to 33V
VI = 22V to 33V
Io = 5mA
0.5
1.0
Quiescent current
Change
∆Iq
Output voltage Drift
Output noise voltage
Ripple Rejection
Dropout voltage
Peak current
∆Vo/∆T
Vn
-1
110
69
mV/° C
㎶
dB
V
f = 10Hz to 100KHz, Ta = 25° C
f = 120Hz, VI = 22V to 32V
Io = 1A, Tj = 25° C
Tj = 25° C
RR
53
Vd
2
Ipk
2.2
22
A
Output Resistance
Short circuit current
Ro
f = 1KHz
Isc
250
mA
Vi = 35V, Ta = 25° C
* Load and lone 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.
Rev. 02