qSI-8000S
Series
sTypical
Characteristics
Rise Characteristics(SI-8050S)
10
Efficiency Characteristics(SI-8050S)
100
T
a
=25°C
Load Regulation(SI-8050S)
5.15
T
a
=25°C
*
Load=C.C Ta=25°C
Output Voltage V
O
(V)
8
90
5.10
Efficiency
η
(%)
80
6
I
O
=
0A
20V
10V
7V
Output Voltage V
O
(V)
V
IN
=40V
5.05
V
IN
=40V
5.00
20V
10V
7V
4.95
70
4
1A
3A
60
2
50
0
0
2
4
6
8
10
12
0
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0
0.5
1.0
1.5
2.0
2.5
3.0
Input Voltage V
IN
(V)
Output Current I
O
(A)
Output Current I
O
(A)
Temperature Characteristics(SI-8050S)
100
5.15
(V
IN
=20V,I
O
=1A)
90
η
80
5.05
5.10
Overcurrent Protection Characteristics(SI-8050S)
10
T
a
=25°C
Thermal Protection Characteristics(SI-8050S)
10
(V
IN
=20V,I
O
=0A)
Efficiency
η
(%) Frequency f (kHz)
8
8
Output Voltage V
O
(V)
Output Voltage V
O
(V)
6
Output Voltage V
O
(V)
6
V
O
70
5.00
4
4
TSD OFF
2
TSD ON
V
IN
=7V
60
f
4.95
2
0
–50
–25
0
25
50
75
0
100
0
0
40V
20V
1
2
3
4
5
6
0
50
75
100
125
150
175
200
Ambient Temperature T
a
(°C)
Output Current I
O
(A)
Ambient Temperature T
a
(°C)
Note on Thermal Protection:
The thermal protection circuit is intended for pro-
tection against heat during instantaneous short-
circuiting. Its operation is not guaranteed for short-
circuiting over extended periods of time.
Rise Characteristics(SI-8120S)
*
Load=C.C T
a
=25°C
25
20
Efficiency Characteristics(SI-8120S)
100
T
a
=25°C
Load Regulation(SI-8120S)
12.3
T
a
=25°C
90
V
IN
=40V
12.2
24V
Output Voltage V
O
(V)
Efficiency
η
(%)
80
Output Voltage V
O
(V)
15V
15
12.1
V
IN
=40V
12.0
24V
15V
11.9
70
10
=0
A
60
1A
5
I
O
50
0
0
0.5
1.0
1.5
2.0
2.5
3.0
3A
0
0
5
10
15
20
25
30
0
0
0.5
1.0
1.5
2.0
2.5
3.0
Input Voltage V
IN
(V)
Output Current I
O
(A)
Output Current I
O
(A)
83
SANKEN [ SANKEN ELECTRIC ]
