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OB2530P - High Precision CC/CV Primary-Side Power Switch

Download the OB2530P datasheet PDF. This datasheet also covers the OB2530P-On variant, as both devices belong to the same high precision cc/cv primary-side power switch family and are provided as variant models within a single manufacturer datasheet.

Description

OB2530P 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.

Features

  • Primary-side sensing and regulation without TL431 and opto-coupler.
  • High precision constant voltage and current regulation at universal AC input.
  • Multi-mode PWM/PFM operation for efficiency improving.
  • Integrated 2A 620V MOSFET.
  • Good dynamic response.
  • Programmable CV and CC regulation.
  • Built-in primary winding inductance compensation.
  • Programmable cable drop compensation.
  • No need for control loop compensation.
  • Audio noise free operation.
  • Bui.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (OB2530P-On-BrightElectronics.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number OB2530P
Manufacturer On-Bright
File Size 783.82 KB
Description High Precision CC/CV Primary-Side Power Switch
Datasheet download datasheet OB2530P 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
OB2530P High Precision CC/CV Primary-Side Power Switch GENERAL DESCRIPTION OB2530P 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 compensation.
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