KA78MXX
Electrical Characteristics (KA78M20/KA78M20R)
(Refer to the test circuits, 0 ≤ T ≤ +125°C, I =350mA, V =29V, unless otherwise specified, C = 0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Output Voltage
Symbol
Conditions
T = +25°C
Min.
Typ.
Max.
Unit
19.2
20
20.8
J
V
V
O
I
= 5 to 350mA
O
19
20
21
V = 23 to 35V
I
V = 23 to 35V
= 200mA
-
-
-
-
-
-
-
100
50
I
I
O
J
Line Regulation
∆V
∆V
mV
O
O
T =+25°C
V = 24 to 35V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
400
200
6
O
O
J
Load Regulation
mV
mA
= 5mA to 200mA, T =+25°C
J
Quiescent Current
I
T =+25°C
4.2
-
Q
J
I
= 5mA to 350mA
0.5
O
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 23 to 35V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
−1.1
110
-
-
-
-
mV/°C
µV
T = 0 to +125°C
V
f = 10Hz to 100KHz
N
f = 120Hz, I = 300mA
V = 24 to 34V
O
RR
53
dB
I
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Notes:
*Load and line regulation are specified at constant, junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
9