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ELECTRICAL CHARACTERISTICS KA7812/I
n
(Refer to test circuit, 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
ƒR T
¡KT
¡ KT
MIN
J
MAX
KA78XXI : T
= -40¡ , T
MIN
KA78XX, T
= 0¡ , T
MIN
ƒR Load and line regulation are specified at constant junction temperature.
Changes in V
due to heating effects must be taken into account separately.
O
Pulse testing with low duty is used.
Samsung Electronics
<T
<T
I
=500mA, V
=19V, C
J
MAX,
O
I
Symbol
Test Conditions
5.0mA ¡´ 1.0A,P
V
O
V
V
T
= 25¡
J
§ V
O
§ V
T
= 25¡
O
J
I
Q
I
O
§ I
V
Q
I
V
§ V
/§ T
O
V
f = 10Hz to 100KHz,T
N
RR
V
V
I
O
O
R
O
I
V
SC
I
I
PK
= 125¡
MAX
= 125¡
MAX
=0.33§ , C
=0.1§ , unless otherwise specified)
I
O
KA7812I
Min Typ Max Min Typ Max
T
= 25¡
11.5
J
¡´ 15W
D
= 14.5V to 27V
I
= 15.5V to 27V
I
11.4
V
= 14.5 to 30V
I
V
= 16 to 22V
I
I
= 5mA to 1.5A
O
I
=250mA to 750mA
O
T
= 25¡
J
= 5mA to 1.0A
= 14.5V to 30V
= 15V to 30V
I
I
= 5mA
O
=25¡
A
f = 120Hz
55
= 15V to 25V
I
= 1A,T
=25¡
J
f = 1KHz
= 35V,T
=25¡
A
T
=25¡
J
KA7812I
12
12.5
11.5
12
12.5
11.4
12
12.6
12
12.6
10
240
10
240
3.0
120
3.0
120
11
240
11
240
5.0
120
5.0
120
5.1
8
5.1
8
0.1
0.5
0.1
0.5
0.5
1.0
0.5
1.0
-1
-1
76
76
71
55
71
2
2
18
18
230
230
2.2
2.2
Unit
V
mV
mV
mA
mA
mV/¡
§¯
dB
V
m
§
mA
A
27
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