High Precision CC/CV Primary-Side Power Switch

OB2500x is a high performance offline PSR power switch for low power AC/DC charger and adapter applications. It operates in primary-side sensing and regulation. Consequently, opto-coupler and TL431 could be eliminated. Proprietary Constant Voltage (CV) and Constant Current (CC) control is integrated n Primary-side sensing and regulation without TL431 and opto-coupler\n\nn High precision constant voltage and current regulation at universal AC input\n\nn Multi-mode PWM/PFM operation for efficiency improving \n\nn Integrated 1A/2A 630V MOSFET\n\nn Good dynamic response\n\nn Programmable CV and CC ;

OB

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