LM2747 - Synchronous Buck Controller

Product Overview

National Semiconductor

Part number	LM2747
Manufacturer	National Semiconductor
File Size	1.01 MB
Description	Synchronous Buck Controller
Datasheet	LM2747 Datasheet
Additional preview pages of the LM2747 datasheet.

The LM2747 is a high-speed synchronous buck regulator controller with a feedback voltage accuracy of ± 1%.

a fixed-frequency voltage-mode PWM control architecture which is adjustable from 50 kHz to 1 MHz with one external resistor. In addition, the LM2747 also allows the switching frequency to be synchronized to an external clock signal over the range of 250 kHz to 1 MHz. This wide range of switching frequency gives the power supply designer the flexibility to make better tradeoffs between component size, cost and efficiency. Features include the ability to startup with a pre-biased load on the outpu.

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Published: Nov 12, 2006 |