
INSTRUCTION MANUAL
ZWS10C • 15C • 30C Series
TDK-Lambda
<Page>
3. Block Diagram
ZWS10C, ZWS15C
ZWS30C
• Circuit topology, switching frequency
Flyback topology 100kHz
• Fuse rating
ZWS10C : 1.0A
ZWS15C : 1.0A
ZWS30C : 2.5A
5/17
L
in
e
F
il
te
r
R
ec
ti
fi
er
Inrush Current
Limit Circuit
F
il
te
r
L
N
R
ec
ti
fi
er
&
F
il
te
r
Input
85
~
265VAC
+V
Output
-V
C
o
n
tr
o
l
C
ir
cu
it
Output
Sensing
Photo-
coupler
S
w
it
ch
in
g
C
ir
cu
it
OVP
Circuit
OCP
Circuit
L
in
e
F
il
te
r
R
ec
ti
fi
er
Inrush Current
Limit Circuit
F
il
te
r
L
N
OCP
Circuit
R
ec
ti
fi
er
&
F
il
te
r
Input
85
~
265VAC
+V
Output
-V
C
o
n
tr
o
l
C
ir
cu
it
Output
Sensing
OVP
Circuit
Photo-
coupler
S
w
it
ch
in
g
C
ir
cu
it