A8431 Datasheet - Allegro MicroSystems

A8431, White LED Driver Constant Current Step-up Converter

www.DataSheet4U.com Preliminary Data Sheet Subject to Change without Notice April 5, 2005 A8431 The A8431 is a noninverting boost dc-dc converter th.
Pb-Free, Surface Mount 26185.

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A8431_AllegroMicroSystems.pdf

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Datasheet Details

Part number:

A8431

Manufacturer:

Allegro MicroSystems

File Size:

354.11 KB

Description:

White LED Driver Constant Current Step-up Converter

Features

* Output voltage up to 32 V (OVP level) 2.5 V to 10 V input Drives up to 4 LEDs at 20 mA from a 2.5 V supply Drives up to 5 LEDs at 20 mA from a 3 V supply 1.2 MHz switching frequency 300 mA switch current limit 1 µA shutdown current OVP pin eliminates the need for an external Zener diode on the outpu

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A8431 White LED Driver Constant Current Step-up Converter Allegro MicroSystems

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