TDK-Lambda RWS 1500B Series, Инструкция по эксплуатации

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INSTRUCTION MANUAL
RWS1000B
•
1500B Series
TDK­Lambda
<Page>
3. Block Diagram
•Circuit topology, switching frequency
Half­Bridge converter
RWS1000B : 95kHz (fixed)
RWS1500B : 83kHz (fixed)
PFHC circuit : active filter
65kHz (fixed)
•Fuse rating
RWS1000B : 20A
RWS1500B : 30A
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COM
PC
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OCP
Circuit
Photo­
coupler
R
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Input
85 ～ 265VAC
+V
Output
+S
­S
­V
+Vm
­Vm
+R
­R
/R
Remote ON/OFF
Control
C
on
tr
ol
C
ir
cu
it
Output
Sensing
+PF
­PF
OVP
Circuit
Photo­
coupler
Photo­
coupler
OVP
Sensing
FAN
Fan Detection
Low output
Voltage
Detection
/FO
Output
Current
Balance
/RFO
Standby
supply
+STB
­STB
/S
P
FH
C
C
ir
cu
it
S
w
it
ch
in
g
C
ir
cu
it
Photo­
coupler