Data Sheet

Mechanical Specification
Derating Curve
Case No. 912B Unit:mm
AMBIENT TEMPERATURE ( )℃
LOAD (%)
100
100
20
40
60
80
-20 20 30 40 50 60
SD-350B,C,D-5
others
Static Characteristics
B:19
C:36
D:72
24
48
96
36
72
144
LOAD (%)
90
100
80
70
60
50
40
(HORIZONTAL)
fosc : 100KHz
Block Diagram
PWM
CIRCUIT
DETECTION
O.L.P.
EMI
FILTER
FILTER
POWER
SWITCHING
FILTER
&
RECTIFIERS
+V
-V
I/P
FG
CONTROL
FAN
FILTER
RECTIFIERS
&
O.T.P.
O.V.P.
(ONLY D SERIES)
Terminal Pin No. Assignment :
Pin No. Pin No.
1 4,5,6
3
2 7,8,9
Assignment Assignment
DC INPUT V+ DC OUTPUT V-
DC INPUT V- DC OUTPUT V+
FG
50
25
16
135
9.5
8.3
36.7
50
50.5
10
115
95
32.5
37.5
9
8
2
1
4
3
6
5
7
LED
+V ADJ.
13max.
C
L
6-M4 L=6mm
32.5 150
215
15
27.5
177.5
32.5
19
150
117.5
4-M4 L=5mm
6-M3 L=3mm
47.5
Air flow
direction
350W Single Output DC-DC Converter
SD-350 series
INPUT VOLTAGE (V)
File Name:SD-350-SPEC 2020-03-37