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MAX1809

Part Number	MAX1809
Manufacturer	Maxim
Description	3A / 1MHz / DDR Memory Termination Supply
Published	May 6, 2005
Detailed Description	19-2142; Rev 1; 9/02 3A, 1MHz, DDR Memory Termination Supply General Description The MAX1809 is a reversible energy flo...
Datasheet	MAX1809 PDF File

Overview

19-2142; Rev 1; 9/02 3A, 1MHz, DDR Memory Termination Supply General Description The MAX1809 is a reversible energy flow, constant-offtime, pulse-width modulated (PWM), step-down DC-DC converter.
It is ideal for use in notebook and subnotebook computers that require 1.
1V to 5V active termination power supplies.
This device features an internal PMOS power switch and internal synchronous rectifier for high efficiency and reduced component count.
The internal 90m Ω PMOS power switch and 70mΩ NMOS synchronous-rectifier switch easily deliver continuous load currents up to 3A.
The MAX1809 accurately tracks an external reference voltage, produces an adjustable output from 1.
1V to VIN, and achieves...

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