MAX863 Dual / High-Efficiency / PFM / Step-Up DC-DC Controller

Maxim

Description

19-1218; Rev 1; 6/97 UA IT MAN TION K E A U L A EV BL AVAILA L Dual, High-Efficiency, PFM, Step-Up DC-DC Controller ____________________________Fea.
The MAX863 dual-output DC-DC converter contains two independent step-up controllers in a single compact package.

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Datasheet Specifications

Part number: MAX863
Manufacturer: Maxim
File Size: 291.42 KB
Datasheet: MAX863_MaximIntegratedProducts.pdf
Description: Dual / High-Efficiency / PFM / Step-Up DC-DC Controller

Features

* o Smallest Dual Step-Up Converter: 16-Pin QSOP o 90% Efficiency o 1.5V Start-Up Voltage o 85µA Max Total Quiescent Supply Current o 1µA Shutdown Mode o Independent Shutdown Inputs o Drives Surface-Mount, Dual N-Channel MOSFETs o Low-Battery Input/Output Comparator o Step-Up/Down Configurable ______

Applications

* 2- and 3-Cell Portable Equipment Organizers Translators Hand-Held Instruments Palmtop Computers Personal Digital Assistants (PDAs) Dual Supply (Logic and LCD) __________Typical Operating Circuit VIN OUT1 SENSE1 VDD BOOT N EXT1 CS1 EXT2 CS2 N OUT2 __________________Pin Configuration TOP VIEW SENS

MAX863 Distributors

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MAX863 Dual High-Efficiency PFM Step-Up DC-DC Controller Maxim

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