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OB25133 - High Precision CC/CV Primary-Side PWM Power Switch

This page provides the datasheet information for the OB25133, a member of the OB25132-On High Precision CC/CV Primary-Side PWM Power Switch family.

Datasheet Summary

Features

  • OB2513x is a high performance offline PSR power.
  • Primary-side sensing and regulation without switch for low power AC/DC charger and adapter TL431 and opto-coupler.

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Datasheet preview – OB25133

Datasheet Details

Part number OB25133
Manufacturer On-Bright Electronics
File Size 832.86 KB
Description High Precision CC/CV Primary-Side PWM Power Switch
Datasheet download datasheet OB25133 Datasheet
Additional preview pages of the OB25133 datasheet.

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Full PDF Text Transcription

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OB2513x High Precision CC/CV Primary-Side PWM Power Switch GENERAL DESCRIPTION FEATURES OB2513x is a high performance offline PSR power  Primary-side sensing and regulation without switch for low power AC/DC charger and adapter TL431 and opto-coupler applications. It operates in primary-side sensing  High precision constant voltage and current and regulation. Consequently, opto-coupler and TL431 could be eliminated. Proprietary Constant regulation at universal AC input  Multi-mode PWM/PFM operation for efficiency Voltage (CV) and Constant Current (CC) control is integrated as shown in the figure below. improving  Good dynamic response In CC control, the current and output power setting can be adjusted externally by the sense resistor Rs at CS pin.
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