OB2578T - High Performance CCM/QR Mode Primary-Side Power Switch

Product Overview

On-Bright Electronics

Part number	OB2578T
Manufacturer	On-Bright Electronics
File Size	1.00 MB
Description	High Performance CCM/QR Mode Primary-Side Power Switch
Datasheet	OB2578T Datasheet
Note	This datasheet PDF includes multiple part numbers: OB2578T, OB2578T-On. Please refer to the document for exact specifications by model.
Additional preview pages of the OB2578T datasheet.

OB2578T is an excellent primary side regulation power switch with CC/CV operation for medium level power AC/DC charger and adapter applications.

Primary-side sensing and regulation operates in CCM/QR mode without TL431 and opto-coupler.
High precision constant voltage and current regulation at universal AC input.
Fixed frequency (65kHz) CCM mode operation with low line voltage at full load.
Integrated 4A MOSFET.
Quasi-resonant operation for high efficiency in high line voltage.
Programmable CV and CC regulation.
Good dynamic response.
Built-in line compensation for tight CC regulation.
Built-.

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Published: Sep 29, 2024 |