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OB2353

Part Number	OB2353
Manufacturer	On-Bright Electronics
Description	Low Power Off Line SMPS Switcher
Published	Dec 1, 2009
Detailed Description	OB2353 Low Power Off Line SMPS Switcher Freq Shuffling GENERAL DESCRIPTION OB2353 combines a dedicated current mode PWM ...
Datasheet	OB2353 PDF File

Overview

OB2353 Low Power Off Line SMPS Switcher Freq Shuffling GENERAL DESCRIPTION OB2353 combines a dedicated current mode PWM controller with integrated high voltage power MOSFET .
It is optimized for high performance low standby power and cost effective offline flyback converter applications in sub 10W range.
OB2353 PWM frequency operates in the fixed and trimmed .
At no load or light load the frequency is internal adjusted, the IC operates in Extended ‘burst mode’ to minimize switching loss.
Lower standby power and higher conversion efficiency is thus achieved.
VDD low startup current and low operating current contribute to a reliable power on startup design with OB2353.
A large value resistor co...

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