Block Diagram - TDK-Lambda ZWS-BP Series Instruction Manual

3．Block Diagram
ZWS150BP
ZWS240BP
L
Input
85～265VAC
N
FG
● Circuit topology, switching frequency
Switching Circuit
Cascade forward topology
PFHC Circuit
Active filter 65kHz (fixed)
● Fuse rating
ZWS150BP : 6.3A
ZWS240BP : 10A
120kHz
OCP
Circuit
OVP
Circuit
Photo-
coupler
Photo-
coupler
*Option model "/R"
-4-
TDK-Lambda
ZWS-BP Series
Instruction Manual
Photo- OVP
coupler Sensing
Output
Sensing
Remote
ON/OFF
Control
+
Output
-
+R
-R