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OB25134

On-Bright Electronics
Part Number OB25134
Manufacturer On-Bright Electronics
Description High Precision CC/CV Primary-Side PWM Power Switch
Published Sep 11, 2018
Detailed Description OB2513x High Precision CC/CV Primary-Side PWM Power Switch GENERAL DESCRIPTION OB2513x is a high performance offline PS...
Datasheet PDF File OB25134 PDF File

OB25134
OB25134

Overview
OB2513x High Precision CC/CV Primary-Side PWM Power Switch GENERAL DESCRIPTION OB2513x 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 as shown 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 achieve high performance and high efficiency.
In addition, good load regulation is achieved by the built-in cable drop co...


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