MAX158 - High-Efficiency / 26V Step-Up Converter

Name: MAX158
SKU: MAX158-447531

Maxim

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Datasheet Details

Part number	MAX158
Manufacturer	Maxim
File Size	151.42 KB
Description	High-Efficiency / 26V Step-Up Converter
Datasheet	MAX158_MaximIntegratedProducts.pdf

MAX158 Product details

Description

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 phones and other hand-held devices.

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 Overvoltage Protection to Eliminate Zener Diode o Constant 1MHz PWM Operation o Low-Profile Inductor and Capacitors o Soft-Start Eliminates Inrush Current o 2.6V to 5.5V Input o 0.01µA (typ) Shutdown.

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Published: May 6, 2005 |