VP3681 - High-Efficiency Boost/SEPIC/Flyback DC/DC Controller

Product Overview

Part number	VP3681
Manufacturer	Viva Electronics
File Size	0.98 MB
Description	High-Efficiency Boost/SEPIC/Flyback DC/DC Controller
Datasheet	VP3681 Datasheet
Additional preview pages of the VP3681 datasheet.

The VP3681 is a versatile controller designed for - Wide Input Voltage from 2.97V to 60V use in Boost, SEPIC and Flyback power converter - Reference Voltage with ± 3.0% Accuracy and topologies that needs an external low-side N- - Adjustable 100kHz~1MHz Clock Frequency MOSFET acting as primary switch. Besides cycle- - 10μA Shutdown Current by-cycle current limiting, current mode control - 1A Peak Current Limit Using Internal Driver scheme also makes it wide bandwidth and good - Current Mode.

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Published: Nov 8, 2025 |