MC78MXX/LM78MXX
Electrical Characteristics (MC78M18)
(Continued)
(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
I
O
= 5mA to 350mA
V
I
= 20.5V to 33V
I
O
= 200mA
T
J
= +25°C
V
I
= 21V to 33V
V
I
= 24V to 33V
Conditions
Min. Typ.
17.3
17.1
-
-
-
-
-
-
-
-
-
-
-
-
-
18
18
-
-
-
-
4.2
-
-
-1.1
100
70
2
300
700
Max.
18.7
18.9
100
50
360
180
6.0
0.5
0.8
-
-
-
-
-
-
mA
mV/°C
µV/Vo
dB
V
mA
mA
V
Unit
Line Regulation (Note1)
Load Regulation (Note1)
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
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
= 21V to 33V
I
O
= 5mAT
J
= 0 to 125°C
f = 10Hz to 100kHz
f = 120Hz, I
O
= 300mA , V
I
= 22V to 32V
T
J
=+25
°C
T
J
= +25°C, I
O
= 500mA
T
J
= +25°C, V
I
= 35V
T
J
= +25°C
Note:
1. 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.
7
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
