■SI-3000KM Series
■SI-3120KM Typical Characteristics
(Ta=25°C)
Dropout Voltage
Output Rise Characteristics
Line Regulation
15
10
5
12.04
0.6
12.02
12.00
12.98
12.96
12.94
12.92
12.90
0.4
0.2
I
O
=0 to 1A
0.2A step
I
O
=0 to 1A
0.2A step
10
0
5
10
15
20
12 14
16 18
20 22
24 26
0
0.2
0.4
0.6
0.8
1
Input Voltage VIN (V)
Input Voltage VIN (V)
Output Current I
O
(A)
Load Regulation
Overcurrent Protection Characteristics
Quiescent Circuit Current
800
12.04
12.02
12.00
12.98
12.96
12.94
12.92
12.90
14
12
10
8
µ
IO=0A
VC=2V
33V
35V
600
400
200
V
IN=13V
14V
15V
20V
6
30V
V
IN=13V
14V
15V
23V
25V
4
25V
2
0
0.5
1.0
1.5
2.0
0
10
20
30
0
0.2
0.4
0.6
0.8
1
Output Current I
O (A)
Input Voltage VIN (V)
Output Current I
O (A)
Circuit Current
Output ON/OFF Control
Output ON/OFF Control Current
14
12
10
8
80
60
40
20
30
µ
25
20
15
IO=1A
0.8A
I
I
IN=14V
=0.01A
O
V
IN=14V
0.2A
6
10
5
4
0.6A
0.4A
0A
2
0
5
10
15
20
25
0
1
2
3
4
0
1
2
3
4
V
C
Terminal Control Voltage VC (V)
VC Terminal Control Voltage VC (V)
Input Voltage VIN (V)
Thermal Protection Characteristics
Overinput Voltage Protection Characteristics
14
12
10
8
16
14
12
10
8
V
IN=14V
I
O=0.01A
V
IN=14V
I
O=0.01A
6
6
4
4
2
2
0
40
80
120
160 180
0
10
20
30
40
Junction Temperature T
j
(°C)
Input Voltage VIN (V)
15
SANKEN [ SANKEN ELECTRIC ]
