Manualshelf

Data Sheet

ManualsBrandsMean Well ManualsDIN Rail PSUsMean Well DDR-120B-12 Rail mounted DC/DC converter (DIN) 12 V DC 10 A 120 W 1 x
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Output derating VS input voltageDerating Curve
10 sec. 3 sec.
Peak Loading
150% Load
( 1 )
( 2 )
100 sec. 3 sec.
100% Load
150% Load
40% Load
Block Diagram
fosc : 65KHz
CIRCUIT
DETECTION
O.L.P.
O.V.P.
EMI
FILTER
POWER
SWITCHING
FILTER
&
RECTIFIERS
+Vo
-Vo
I/P
FG
CONTROL
PWM
INPUT VOLTAGE
LOAD (%)
LOAD (%)
21.6
40
16.8
50
60
70
80
33.6
100
43.233.6 67.2
86.467.2 154
AMBIENT TEMPERATURE ( )℃
-40 0
Continuous
For 3 sec. (typ.)
10 20
30
40 50 60 70
100
150
(VERTICAL)
-30 -20 -10
85
90
AType
10.8
9
18
A Type:
B Type:
C Type:
D Type:
B/C/D Type
55
120
40
80
24
48
96
12
30
60
110
15
DDR-120 series
120W DIN Rail Type DC-DC Converter
File Name:DDR-120-SPEC 2019-08-02