LM3508 Synchronous Magnetic Constant Current White LED Driver

Texas Instruments

Description

LM3508 www.ti.com SNVS494C * APRIL 2007 * REVISED MAY 2013 LM3508 Synchronous Magnetic Constant Current White LED Driver Check for .
The LM3508 is a synchronous boost converter (no external Schottky diode required) that provides a constant current output.

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Datasheet Specifications

Part number: LM3508
Manufacturer: Texas Instruments ↗
File Size: 2.63 MB
Datasheet: LM3508-etcTI.pdf
Description: Synchronous Magnetic Constant Current White LED Driver

Features

* 1
* 2 Drives 4 Series White LEDs with up to 30mA
* >80% Peak Efficiency
* Up to 100kHz PWM Brightness Control
* Accurate ±5% LED Current Regulation across VIN range
* Internal Synchronous PFET (No Schottky Diode Required)
* True Shutdown Isolation

Applications

* White LED Backlighting
* Handheld Devices
* Digital Cameras
* Portable Applications Typical Application Circuit 22 PH +- 2.7V to 5.5V 1 PF SW IN OUT 1 PF LM3508 EN ILED PWM Input DIM AGND SET PGND RSET 1 Please be aware that an important notice conce

LM3508 Distributors

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LM3508 Synchronous Magnetic Constant Current White LED Driver Texas Instruments

Texas Instruments LM3508-like datasheet