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LM3559 - Synchronous Boost Flash Driver

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Texas Instruments

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LM3559 Synchronous Boost Flash Driver by Texas Instruments - Datasheet Preview — Datasheet preview – LM3559

Datasheet Details

Part number	LM3559
Manufacturer	Texas Instruments
File Size	4.11 MB
Description	Synchronous Boost Flash Driver
Datasheet	LM3559 Datasheet
Additional preview pages of the LM3559 datasheet.

Product details

Description

The LM3559 is a 2-MHz fixed-frequency synchronous boost converter with two 900-mA constant current drivers for high-current white LEDs.

Features

1 Dual High-Side Current Sources Allow for Grounded Cathode LED Operation.
Accurate and Programmable LED Current from 28.125 mA to 1.8 A.
Optimized Flash Current During Low Battery Conditions.
Independent LED Current Source Programmability.
Four Operating Modes: Torch, Flash, Privacy Indicate, and Message Indicator.
4-Bit Analog-to-Digital (ADC) for VLED Monitoring.
Battery Voltage Sensing and Current Scale-Back.
LED Sensing.

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Published: Jun 15, 2020 |