MAX1561 High-Efficiency / 26V Step-Up Converters for Two to Six White LEDs

Maxim

Description

19-2731; Rev 1; 10/03 KIT ATION EVALU E L B A AVAIL High-Efficiency, 26V Step-Up Converters for Two to Six White LEDs General .
The MAX1561/MAX1599 step-up converters drive up to six white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-he.

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Datasheet Specifications

Part number: MAX1561
Manufacturer: Maxim
File Size: 245.35 KB
Datasheet: MAX1561_MaximIntegratedProducts.pdf
Description: High-Efficiency / 26V Step-Up Converters for Two to Six White LEDs

Features

* o Accurate Current Regulation for Uniform Illumination o High Efficiency Up to 87% o Flexible Analog or PWM Dimming Control o Up to 900mW Output Power with Internal 30V MOSFET Switch o Fast 1MHz (MAX1561) or 500kHz (MAX1599) PWM Operation o Small, Low-Profile External Components o 2.6V to 5.5V Input

Applications

* Cell Phones and Smart Phones PDAs, Palmtops, and Wireless Handhelds e-Books and Subnotebooks White LED Display Backlighting
* EP = Exposed paddle. Typical Operating Circuit INPUT 2.6V TO 5.5V OUTPUT UP TO 6 LEDs IN LX OUT OUT 1 Pin Configuration TOP VIEW MAX1561 MAX1599 8 LX 7 PGND 6 GND 5 CO

MAX1561 Distributors

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MAX1561 High-Efficiency 26V Step-Up Converters for Two Six White LEDs Maxim

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