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ELECTRICAL CHARACTERISTICS KA7812/I
(Refer to test circuit, T
< T
MIN
Characteristic
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple
Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
< T
, I
= 500mA, V
= 19V, C
J
MAX
O
I
Symbol
Test Conditions
T
V
5.0mA
o
V
= 14.5V to 27V
I
V
= 15.5V to 27V
I
V
o
V
o
I
T
Q
I
= 5mA to 1.0A
O
V
= 14.5V to 30V
I
I
Q
V
= 15V to 30V
I
V
/ T
I
o
O
f = 10Hz to 100KHz ,T
V
N
f = 120Hz
RR
V
= 15V to 25V
I
V
I
= 1A, T
o
O
f = 1KHz
R
o
I
V
= 35V, T
SC
I
I
T
PK
,
= 125
MAX
,
= 125
MAX
= 0.33 F, C
= 0.1 F, unless otherwise specified)
I
O
KA7812I
Min Typ Max
= 25
11.5
12
J
1.0A, P
15W
D
11.4
12
V
= 14.5 to 30V
10
I
V
= 16 to 22V
3.0
I
I
= 5mA to 1.5A
11
O
I
= 250mA to 750mA
5.0
O
= 25
5.1
J
0.1
0.5
-1
= 5mA
= 25
76
A
55
71
2
= 25
J
18
= 25
230
A
2.2
= 25
J
-
-
75
KA7812I
Unit
Min Typ Max
12.5
11.5
12
12.5
V
11.4
12
12.6
12.6
240
10
240
mV
120
3.0
120
240
11
240
mV
120
5.0
120
8
5.1
8
mA
0.5
0.1
0.5
0.5
1.0
mA
1.0
-1
mV/
76
V
55
71
dB
2
V
18
m
230
mA
2.2
A
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