TDK-Lambda LS Series - Sequence Time Chart

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・All specifications are subject to change without notice.
LS
Series
Sequence Time Chart
Input Voltage
0V
0V
Vout
Input
ON
Input
ON
OCP
ON
OCP
OFF
Input
OFF
Input
OFF
OVP
Trip
OVP Point
115%-135%
OCP Point
>110%
Output Voltage
LS150 Block Diagram
L
N
INPUT
88-132Vac
176-264Vac
Fuse
+V
-V
Line
Filter
Inrush
Current
Limiting
Harmonic
Choke
AC
Selector
Switch
Rectifier
Smoothing
Filter
Forward
Switching
Circuit
Bias
Voltage
Output
Sensing
OVP
Sensing
OVP
Control
Circuit
Primary OCP
Rectifier &
Smoothing
Filter
FG
NOTE : For LS 25, OVP function will cause the output into "hiccup" mode and damage the unit.