MAX1549 - Fixed-Frequency Step-Down Controller

Maxim Integrated Products

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Datasheet Details

Part number	MAX1549
Manufacturer	Maxim Integrated Products
File Size	925.88 KB
Description	Fixed-Frequency Step-Down Controller
Datasheet	MAX1549_MaximIntegratedProducts.pdf

MAX1549 Product details

Description

The MAX1549 dual pulse-width modulation (PWM) stepdown controller provides the high efficiency, excellent transient response, and high DC-output accuracy necessary for generating low-voltage chipset and RAM power supplies in notebook computers.

Features

differential current-sense inputs for accurately sensing the inductor current across an external current-sense resistor in series with the output to ensure reliable overload protection. Alternatively, the controller can provide overload protection using lossless inductor current-sensing methods, lowering power dissipation and reducing system cost. Single-stage buck conversion allows the MAX1549 to directly step down high-voltage batteries for the highest possible efficiency. Very low output-volt.

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Published: Mar 25, 2010 |