MAX8743 - Step-Down Controller

Maxim Integrated Products

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Datasheet Details

Part number	MAX8743
Manufacturer	Maxim Integrated Products
File Size	0.96 MB
Description	Step-Down Controller
Datasheet	MAX8743_MaximIntegratedProducts.pdf

MAX8743 Product details

Description

The MAX8743 is a dual pulse-width modulation (PWM) controller configured for step-down (buck) topologies that provides the high efficiency, excellent transient response, and high DC output accuracy necessary for stepping down high-voltage batteries to generate lowvoltage chipset and RAM power supplies in notebook computers.

Features

Ultra-High Efficiency.
Accurate Current-Limit Option.
Quick-PWM™ with 100ns Load-Step Response.
1% VOUT Accuracy over Line and Load.
High Output Impedance in Shutdown.
Dual Mode™ Fixed 1.8V/1.5V/Adj or 2.5V/Adj Outputs.
Adjustable 1V to 5.5V Output Range.
2V to 28V Battery Input Range.
200kHz/300kHz/420kHz/540kHz Nominal Switching Frequency.
Adjustable Overvoltage Protection.
1.7ms Digital Soft-St.

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Published: Feb 18, 2009 |