LM3743 - N-Channel FET Synchronous Buck Controller

Product Overview

National Semiconductor

Part number	LM3743
Manufacturer	National Semiconductor
File Size	1.30 MB
Description	N-Channel FET Synchronous Buck Controller
Datasheet	LM3743 Datasheet
Additional preview pages of the LM3743 datasheet.

The LM3743 is a voltage mode PWM buck controller which implements synchronous rectification.

1.6Ω of pull-up resistance and 1Ω of pull-down drive resistance for high power density and very efficient power processing. n Reference accuracy: ± 1.75%, over full temperature and input voltage range n Low-side sensing programmable current limit n Fixed high-side sensing for supplemental short-circuit protection n Undervoltage protection n Hiccup mode protection eliminates thermal runaway during fault conditions n Externally programmable soft-start with tracking capability n Switching frequency.

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Published: Oct 21, 2006 |