Samsung KCT52A Training Manual page 13

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SAMSUNG GROUP
SAMSUNG GROUP
KCT52A Chassis
Power Supply Description OCP (Over Current Protection)
Circuit Description)
The overcurrent protection is performed by the pulse-by-pulse
system, which directly detects the collector current of the
PTR.
The detect reference voltage to the comparator is set to -1 V
above the control IC ground (Pin 2).
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TOC 13