MAX1844 - High-Speed Step-Down Controller

Maxim Integrated Products

MAX1844 Datasheet Preview — Preview of MAX1844 PDF

Datasheet Details

Part number	MAX1844
Manufacturer	Maxim Integrated ↗ Products
File Size	861.99 KB
Description	High-Speed Step-Down Controller
Datasheet	MAX1844_MaximIntegratedProducts.pdf

MAX1844 Product details

Description

The MAX1844 pulse-width modulation (PWM) controller provides high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high-voltage batteries to generate low-voltage CPU core or chipset/RAM supplies in notebook computers.

Features

o Ultra-High Efficiency o Accurate Current-Limit Option o Quick-PWM with 100ns Load-Step Response o 1% VOUT Accuracy Over Line and Load o 1.8V/2.5V Fixed or 1V to 5.5V Adjustable Output Range o 2V to 28V Battery Input Range o 200/300/450/600kHz Switching Frequency o Adjustable Overvoltage Protection o Adjustable Undervoltage Protection o 1.7ms Digital Soft-Start o Drives Large Synchronous-Rectifier FETs o 2V ±1% Reference Output o Power-Good Window Comparator Ordering Information PART MAX1844E.

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Published: Jan 1, 2009 |