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LM3508 - Synchronous Magnetic Constant Current White LED Driver

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Texas Instruments

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LM3508 Synchronous Magnetic Constant Current White LED Driver by Texas Instruments - Datasheet Preview — Datasheet preview – LM3508

Datasheet Details

Part number	LM3508
Manufacturer	Texas Instruments
File Size	2.63 MB
Description	Synchronous Magnetic Constant Current White LED Driver
Datasheet	LM3508 Datasheet
Additional preview pages of the LM3508 datasheet.

Product details

Description

The LM3508 is a synchronous boost converter (no external Schottky diode required) that provides a constant current output.

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.
Output Short-Circuit Protection.
17.5V Over-Voltage Protection.
Internal Soft-Start Eliminates Inrush Current.
Wide Input Voltage Range: 2.7V to 5.5V.
850kHz F.

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Published: Jun 15, 2020 |