A8434 6-Channel High Efficiency Charge Pump White LED Driver

Allegro MicroSystems

Description

www.DataSheet4U.com A8434 6-Channel High Efficiency Charge Pump White LED Driver .
The A8434 high efficiency charge pump ICs offer a simple, low-cost WLED (white LED) driver solution for driving up to six WLEDs in various application.

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Datasheet Specifications

Part number: A8434
Manufacturer: Allegro MicroSystems
File Size: 472.20 KB
Datasheet: A8434_AllegroMicroSystems.pdf
Description: 6-Channel High Efficiency Charge Pump White LED Driver

Features

* ▪ Proprietary adaptive control scheme (1×, 1.5×, 2×) ▪ 0.5% typical WLED current matching ▪ Drives up to 6 white LEDs ▫ Main display backlight (up to 6 WLEDs) ▫ Main display and sub display backlight ▫ Main display and low-current flash/torch ▪ 30 mA per WLED ▪ 2× serial dimming interfaces ▪ 320 mA

Applications

* include: ▪ ▪ ▪ ▪ White LED backlights for cellular phones, PDAs Digital cameras, camcorders Portable audio devices and MP3s Other portable device white LED backlighting Package: 16 pin QFN/MLP (suffix ES) Approximate scale 1:1 Typical Applications VBATT 2.7 to 5.5 V VIN CIN 1 µF C1 1 µF C1+ C1

A8434 Distributors

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A8434 6-Channel High Efficiency Charge Pump White LED Driver Allegro MicroSystems

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