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MAX1582 High-Efficiency / 26V Step-Up Converter

MAX1582 Description

19-2783; Rev 0; 4/03 High-Efficiency, 26V Step-Up Converter for White LED Main and Subdisplay Backlighting General .
The MAX1582 drives up to six white LEDs in series with a constant current to provide display backlighting for two (main and sub-) displays in cell pho.

MAX1582 Features

* o Accurate Current Regulation for Uniform Illumination o Lights Up Two LED Sections for Main and Subdisplays o Up to 84% Efficiency o Internal High-Power, 30V MOSFET o Low 15mVP-P Input Ripple o Flexible Dimming Control Analog DAC Controlled Direct-Digital PWM (No RC Required) from 200Hz to 200kHz o

MAX1582 Applications

* Cell Phones with One or Two Displays Smart Phones, Palmtops, and Wireless Handhelds Other Hand-Held Devices with Dual Displays PART MAX1582ETC Ordering Information TEMP RANGE PIN-PACKAGE TOP MARK AACE 1582EBE -40°C to +85°C 12 Thin QFN-EP
* MAX1582EBE-T -40°C to +85°C 16 UCSP-16
* EP = Exp

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High-Efficiency 26V Step-Up Converter Maxim
Maxim MAX1582-like datasheet