OB2571, OB2571-On - High Performance QR mode Primary-Side Power Switch

On-Bright Electronics

Datasheet Details

Part number	OB2571, OB2571-On
Manufacturer	On-Bright Electronics
File Size	873.78 KB
Description	High Performance QR mode Primary-Side Power Switch
Datasheet	OB2571-On-BrightElectronics.pdf
Note	This datasheet PDF includes multiple part numbers: OB2571, OB2571-On. Please refer to the document for exact specifications by model.

OB2571x is an excellent primary side regulation controller with CC/CV operation for medium level power AC/DC charger and adapter applications.

Primary-side sensing and regulation operates in QR mode without TL431 and opto-coupler.
High precision constant voltage and current regulation at universal AC input.
Programmable CV and CC regulation.
Integrated power MOSFET.
Good dynamic response.
Programmable Brownout Protection and Line OVP Protection(For 2571Lx only).
Built-in line compensation for tight CC regulation.
Built-in fixed cable compensation.
Built-in primary winding inductance compens.

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Published: Oct 31, 2018 |