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LM3509 - High Efficiency Boost

Texas Instruments

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Datasheet Details

Part number	LM3509
Manufacturer	Texas Instruments ↗
File Size	2.65 MB
Description	High Efficiency Boost
Datasheet	LM3509-etcTI.pdf

LM3509 Product details

Description

The LM3509 current mode boost converter offers two separate outputs.

Features

1.
2 Integrated OLED Display Power Supply and LED Driver.
Drives up to 10 LED’s at 30mA.
Drives up to 5 LED’s at 20mA and Delivers up to 21V at 40mA.
Over 90% Efficient.
32 Exponential Dimming Steps.
0.15% Accurate Current Matching Between Strings.
Internal Soft-Start Limits Inrush Current.
True Shutdown Isolation for LED’s.
Wide 2.7V to 5.5V Input Voltage Range.
21V Over-Voltage Protection.
1.27MHz.

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Published: Jun 15, 2020 |