
W Series Data Sheet
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125, 250 Watt AC-DC and DC-DC DIN-Rail Converters
03104b
L
Vi+
3
Fuse
C y
C y
2
3
Vo1+
+
N
Vi–
2
2 nd fuse
(option F)
C y
Shunt
C y
Shunt
C y
4 Vo1–
5
1
Control circuit
including
PFC and
input OVP/UVP
V o / I o control
2 nd control loop
1 EW models
+
C y
6
7
Vo2+
have a link or a
decoupling diode
(opt. Q) in the
Vi+ line.
Shunt
C y
Shunt
C y
8
9
Vo2–
Control circuit
including
PFC and
input OVP/UVP
Fig. 2
250 W converters.
The figure shows EWN double-output models. For the pinout of
250 W single-output models see fig. 1 or table 13.
V o / I o control
2 nd control loop
1
11
10 AUX
BCD20020-G Rev AC, 31-Jan-2013
Page 5 of 25
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