MAX746 High-Efficiency / PWM / Step-Down / N-Channel DC-DC Controller

Maxim

Description

19-0192; Rev 1; 11/93 High-Efficiency, PWM, Step-Down, N-Channel DC-DC Controller _______________General .
The MAX746 is a high-efficiency, high-current, step-down DC-DC power-supply controller that drives external N-channel FETs.

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Datasheet Specifications

Part number: MAX746
Manufacturer: Maxim
File Size: 157.69 KB
Datasheet: MAX746_MaximIntegratedProducts.pdf
Description: High-Efficiency / PWM / Step-Down / N-Channel DC-DC Controller

Features

* a 2V ±1.5% reference, a comparator for low-battery detection or level translating, and soft-start and shutdown capability. The MAX747
* discussed in a separate data sheet
* functions similarly to the MAX746, but drives P-channel logic level FETs. ____________________________Features o

Applications

* High efficiency is maintained with light loads due to a proprietary automatic pulse-skipping control (Idle-ModeTM) scheme that minimizes switching losses by reducing the switching frequency at light loads. The low 950µA quiescent current and ultra-low 1.4µA shutdown current further extend battery l

MAX746 Distributors

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MAX746 High-Efficiency PWM Step-Down N-Channel DC-DC Controller Maxim

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