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LM3414 - 60-W Common Anode-Capable Constant Current Buck LED Driver

Datasheet Summary

Description

The LM3414 and LM3414HV are 1-A 60-W(1) common anode-capable constant current buck LED drivers.

They are suitable for driving single string of 3W HBLED with up to 96% efficiency.

They accept input voltages from 4.5 VDC to 65 VDC and deliver up to 1-A average LED current with ±3% accuracy.

Features

  • 1 Supports LED Power up to 60 W (1): 18x 3-W HBLEDs.
  • Requires No External Current Sensing Resistor.
  • ±3% LED Current Accuracy.
  • Up to 96% Efficiency.
  • High Contrast Ratio (Minimum Dimming Current Pulse Width.

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Datasheet preview – LM3414

Datasheet Details

Part number LM3414
Manufacturer Texas Instruments
File Size 1.76 MB
Description 60-W Common Anode-Capable Constant Current Buck LED Driver
Datasheet download datasheet LM3414 Datasheet
Additional preview pages of the LM3414 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LM3414, LM3414HV SNVS678F – JUNE 2010 – REVISED NOVEMBER 2015 LM3414/HV 1-A, 60-W Common Anode-Capable Constant Current Buck LED Driver Requires No External Current Sensing Resistor 1 Features •1 Supports LED Power up to 60 W (1): 18x 3-W HBLEDs • Requires No External Current Sensing Resistor • ±3% LED Current Accuracy • Up to 96% Efficiency • High Contrast Ratio (Minimum Dimming Current Pulse Width <10 µS) • Integrated Low-Side N-Channel MOSFET • Adjustable Constant LED Current From 350 mA to 1000 mA • Support Analog Dimming and Thermal Fold-Back • Wide Input Voltage Range: – 4.5 V to 42 V (LM3414) – 4.
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