KA78MXX
Electrical Characteristics (KA78M18/KA78M18R)
(Refer to the test circuits, 0
≤
T
J
≤
+125°C, I
O
=350mA, V
I
=26V, unless otherwise specified, C
I
= 0.33µF, C
O
=0.1µF)
Parameter
Output Voltage
Symbol
T
J
=+25°C
V
O
Conditions
I
O
= 5 to 350mA
V
I
= 20.5 to 33V
I
O
= 200mA
T
J
=+25°C
V
I
= 21 to 33V
V
I
= 24 to 33V
Min. Typ.
17.3
17.1
-
-
-
-
-
-
-
-
-
53
-
-
-
18
18
-
-
-
-
4.2
-
-
−1.1
100
-
2
300
700
Max.
18.7
18.9
100
50
360
180
6
0.5
0.8
-
-
-
-
-
-
Unit
V
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
∆V
O
∆VΟ
I
Q
∆I
Q
∆V/∆T
V
N
RR
V
D
I
SC
I
PK
mV
mV
mA
mA
mV/°C
µV
dB
V
mA
mA
I
O
= 5mA to 0.5A, T
J
=+25°C
I
O
= 5mA to 200mA, T
J
=+25°C
T
J
=+25°C
I
O
= 5mA to 350mA
I
O
= 200mA
V
I
= 21 to 33V
I
O
=5mAT
J
=0 to 125°C
f=10Hz to 100KHz
f=120Hz, I
O
=300mA , V
I
=22 to 32V
T
J
=+25°C, I
O
=500mA
T
J
=+25°C, V
I
=35V
T
J
=+25°C
Notes:
*Load and line regulation are specified at constant, junction temperature. Change in V
o
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
8
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
