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Número de pieza
componentes Descripción
NCP4355C Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
NCP4355C
Secondary Side SMPS OFF Mode Controller for Low Standby Power
ON Semiconductor
NCP4355C Datasheet PDF : 17 Pages
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NO LOAD
NCP4355
LOAD IS CONNECTED
I
OUT
Primary side start delay
V
OUT
V
CC
V
REMprim
V
OFFDET
I
OUT
Secondary side detects low V
OUT
VMIN level
Vout is
discharged faster
Primary off mode ends
Typical load detection behavior
NO LOAD
LOAD IS CONNECTED
V
OUT
V
CC
V
REMprim
VMIN level
Primary side start delay
Primary off mode ends
T2 is conducting
V
OFFDET
Voltage delivered through T2 and R16
Improved load detection behavior
Figure 29. Typical and Improved Load Detection Comparison Waveforms
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