OB2520 Datasheet

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OB2520 Datasheet - High Precision CC/CV Primary-Side Controller

OB2520   OB2520  

Datasheet: OB2520 datasheet

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Description: On Bright Confidential to Salcomp OB252 0 High Precision CC/CV Primary-Side Con troller GENERAL DESCRIPTION OB2520 is a high performance offline PSR controll er for low power AC/DC charger and adap ter applications. It operates in primar y-side sensing and regulation. Conseque ntly, opto-coupler and TL431 could be e liminated. Proprietary Constant Voltage (CV) and Constant Current (CC) control is integrated as shown in the figure b elow. In CC control, the current and ou tput power setting can be adjusted exte rnally by the sense resistor Rs at CS p in. In CV control, PFM operations are u tilized to achieve high performance and high efficiency. In addition, good loa d regulation is achieved by the buil

Manufacture Part Number Description

On-Bright Electronics


High Precision CC/CV Primary-Side Controller

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