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MAX863

Maxim
Part Number MAX863
Manufacturer Maxim
Description Dual / High-Efficiency / PFM / Step-Up DC-DC Controller
Published May 2, 2005
Detailed 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 _...
Datasheet PDF File MAX863 PDF File

MAX863
MAX863

Overview
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 ____________________________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 _______________General Description The MAX863 dual-output DC-DC converter contains two independent step-up controllers in a single compact package.
This monolithic bi-CMOS design draws only 85µA when both controllers are on.
The input range extends down to 1.
5V, permitting use in organizers, translators, and other low-power hand-held products.
The MAX863 provides 90% efficiency at output loads from 20mA to over 1A.
This space-saving device is supplied in a 16-pin QSOP package that fits in the same area as an 8-pin SOIC.
The device uses a curren...


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