OB2273A Datasheet





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OB2273A Datasheet - High Performance Current Mode PWM Controller

OB2273A   OB2273A  

Datasheet: OB2273A datasheet

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Description: OB2273A High Performance Current Mode PW M Controller GENERAL DESCRIPTION OB227 3A is a highly integrated current mode PWM control IC optimized for high perfo rmance, low standby power and cost effe ctive offline flyback converter applica tions. PWM switching frequency at norma l operation is internally fixed and is trimmed to tight range. At no load or l ight load condition, the IC operates in extended ‘burst mode’ to minimize switching loss. Lower standby power and higher conversion efficiency is thus a chieved. VDD low startup current and lo w operating current contribute to a rel iable power on startup and low standby design with OB2273A. OB2273A offers com plete protection coverage with auto-reco


Manufacture Part Number Description

On-Bright

OB2273A

High Performance Current Mode PWM Controller




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