OB2211H Datasheet





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OB2211H Datasheet - Primary-Side PWM Power Switch

OB2211H   OB2211H  

Datasheet: OB2211H datasheet

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Description: On-Bright Confidential to Bona OB2211H Primary-Side PWM Power Switch with CC/C V GENERAL DESCRIPTION OB2211H is an of fline PWM Power switch for low power AC /DC charger and adaptor applications. I t operates in primary-side sensing and regulation. Consequently, opto-coupler and TL431 could be eliminated. Propriet ary Constant Voltage (CV) and Constant Current (CC) control is integrated as s hown in the figure below. In CC control , the current and output power setting can be adjusted externally by the sense resistor Rs at CS pin. In CV control, multi-mode operations are utilized to a chieve high performance and high effici ency. Device operates in fixed frequenc y mode at large load conditions, fre


Manufacture Part Number Description

On-Bright Electronics

OB2211H

Primary-Side PWM Power Switch




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