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MAX747

Part Number	MAX747
Manufacturer	Maxim
Description	High-Efficiency PWM / Step-Down P-Channel DC-DC Controller
Published	May 2, 2005
Detailed Description	19-0171; Rev 1; 9/93 High-Efficiency PWM, Step-Down P-Channel DC-DC Controller _______________General Description The M...
Datasheet	MAX747 PDF File

Overview

19-0171; Rev 1; 9/93 High-Efficiency PWM, Step-Down P-Channel DC-DC Controller _______________General Description The MAX747 high-efficiency, high-current, step-down controller drives external P-channel FETs.
It provides 90% to 95% efficiency from a 6V supply with load currents ranging from 50mA up to 2.
5A.
It uses a pulse-width-modulating (PWM) current-mode control scheme to provide precise output regulation and low output noise.
The MAX747’s 4V to 15V input voltage range, a fixed 5V/adjustable (Dual-Mode™) output, and a current limit set with an external resistor make this device ideal for a wide range of applications.
High efficiency is maintained with light loads due to a proprietary du...

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