LM5009A - 150 mA Constant On-Time Buck Switching Regulator

Product Overview

National Semiconductor

Datasheet Details

Part number	LM5009A
Manufacturer	National Semiconductor
File Size	431.37 KB
Description	150 mA Constant On-Time Buck Switching Regulator
Datasheet	LM5009A Datasheet
Additional preview pages of the LM5009A datasheet.

Product details

Description

The LM5009A is a functional variant of the LM5009 COT Buck Switching Regulator.

The functional differences of the LM5009A are: The minimum input operating voltage is 6 volts, the on-time equation is slightly different, and the requirement for a minimum load current is removed.

Features

all of the functions needed to implement a low cost, efficient, Buck bias regulator. This high voltage regulator contains an 100 V N-Channel Buck Switch. The device is easy to implement and is provided in the MSOP-8 and the thermally enhanced LLP-8 packages. The regulator is based on a control scheme using an ON time inversely proportional to VIN. This feature allows the operating frequency to remain relatively constant. The control scheme requires no loop compensation. An intelligent current li.

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Published: Sep 11, 2009 |