OB2500N Datasheet





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OB2500N Datasheet - High Precision CC/CV Primary-Side Power Switch

OB2500N   OB2500N  

Datasheet: OB2500N datasheet

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Description: On-Bright confidential to OB2500N High Precision CC/CV Primary-Side Power Swit ch GENERAL DESCRIPTION OB2500N is a hi gh performance offline PSR power switch for low power AC/DC charger and adapte r applications. It operates in primary- side sensing and regulation. Consequent ly, opto-coupler and TL431 could be eli minated. Proprietary Constant Voltage ( CV) and Constant Current (CC) control i s integrated as shown in the figure bel ow. In CC control, the current and outp ut power setting can be adjusted extern ally by the sense resistor Rs at CS pin . In CV control, multi-mode operations are utilized to achieve high performanc e and high efficiency. In addition, goo d load regulation is achieved by the


Manufacture Part Number Description

On-Bright Electronics

OB2500N

High Precision CC/CV Primary-Side Power Switch




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