UC3883 PWM CONTROLLER

UTC

Description

UNISONIC TECHNOLOGIES CO., LTD UC3883 Preliminary HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER WITH PEAK LOAD * .
UTC UC3883 is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback con.

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Datasheet Specifications

Part number: UC3883
Manufacturer: UTC
File Size: 287.56 KB
Datasheet: UC3883-UTC.pdf
Description: PWM CONTROLLER

Features

* Power on Soft Start Reducing MOSFET VDS Stress
* Frequency shuffling for EMI
* Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design
* Ultra Low Operating Current at Light Load (typical 0.6mA)
* Audio Noise Free Operation
* Normal 65KHz Switch

Applications

* PWM switching frequency at normal operation is internally fixed and is trimmed to tight range. At no load or light load condition, the IC operates in extended ‘burst mode’ to minimize switching loss. Lower standby power and higher conversion efficiency is thus achieved. VCC low startup current and

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UC3883 PWM CONTROLLER UTC

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