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

Download the OB25133 datasheet PDF. This datasheet also covers the OB25132-On variant, as both devices belong to the same high precision cc/cv primary-side pwm power switch family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (OB25132-On-BrightElectronics.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number OB25133
Manufacturer On-Bright
File Size 832.86 KB
Description High Precision CC/CV Primary-Side PWM Power Switch
Datasheet download datasheet OB25133 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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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