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LM3508 - Synchronous Magnetic Constant Current White LED Driver

Texas Instruments

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Datasheet Details

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

LM3508 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 |