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UC3869

Part Number	UC3869
Manufacturer	UTC
Description	HIGH VOLTAGE GREEN MODE PWM CONTROLLER
Published	Mar 21, 2020
Detailed Description	UNISONIC TECHNOLOGIES CO., LTD UC3869 Preliminary HIGH VOLTAGE GREEN MODE PWM CONTROLLER  DESCRIPTION The UTC UC386...
Datasheet	UC3869 PDF File

Overview

UNISONIC TECHNOLOGIES CO.
, LTD UC3869 Preliminary HIGH VOLTAGE GREEN MODE PWM CONTROLLER  DESCRIPTION The UTC UC3869 is a highly integrated current mode PWM control IC with high voltage start up, optimized for high performance, low standby power consumption and cost effective offline flyback converter applications.
PWM switching frequency at normal operation is internally fixed and is trimmed to a tight range.
At no load condition, the IC operates in power-saving mode for lower standby power, decreasing frequency for Higher conversion efficiency at light load condition.
The internal slope compensation improves system stability at high PWM duty cycle output.
Leading-edge blanking on curr...

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