MAX747 Datasheet - Maxim

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MAX747 High-Efficiency PWM / Step-Down P-Channel DC-DC Controller

19-0171; Rev 1; 9/93 High-Efficiency PWM, Step-Down P-Channel DC-DC Controller _______________General .
The MAX747 high-efficiency, high-current, step-down controller drives external P-channel FETs.

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Datasheet Details

Part number:

MAX747

Manufacturer:

Maxim

File Size:

136.37 KB

Description:

High-Efficiency PWM / Step-Down P-Channel DC-DC Controller

Features

* a 2V ±1.5% reference, a comparator for low-battery detection or level translating, as well as soft-start and shutdown capability. The MAX746, discussed in a separate data sheet, functions similarly to the MAX747, but it drives N-channel logic level FETs on the high side. ___________________________

Applications

* High efficiency is maintained with light loads due to a proprietary dual-control (Idle-Mode™) scheme that minimizes switching losses by reducing the switching frequency at light loads. The low 800µA quiescent current and ultra-low 0.6µA shutdown current further extend battery life. External compone

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MAX747 High-Efficiency PWM Step-Down P-Channel DC-DC Controller Maxim

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