LM3414 Datasheet PDF - National Semiconductor Corporation 1A 60W Common Anode Capable Constant Current Buck LED Driver Specs

LM3414 - 1A 60W Common Anode Capable Constant Current Buck LED Driver

Datasheet Summary

Description

The LM3414 and LM3414HV are 1A 60W

common anode capable constant current buck LED drivers.

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

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

Features

Support LED power up to 60W.
: 18x 3W HBLEDs Requires NO external current sensing resistor ±3% LED current accuracy Up to 96% efficiency High contrast ratio (Minimum dimming current pulse width.

Datasheet Details

Part number	LM3414
Manufacturer	National Semiconductor Corporation
File Size	410.90 KB
Description	1A 60W Common Anode Capable Constant Current Buck LED Driver
Datasheet	LM3414 Datasheet
Additional preview pages of the LM3414 datasheet.

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Full PDF Text Transcription

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DataSheet.in LM3414/LM3414HV 1A 60W* Common Anode Capable Constant Current Buck LED Driver Requires No External Current Sensing Resistor August 9, 2010 LM3414/LM3414HV 1A 60W* Common Anode Capable Constant Current Buck LED Driver Requires No External Current Sensing Resistor General Description The LM3414 and LM3414HV are 1A 60W* common anode capable constant current buck LED drivers. They are exceptionally suitable to drive single string of 3W HBLED with up to 96% efficiency. They accept input voltages from 4.5VDC to 65VDC and deliver up to 1A average LED current with ±3% accuracy. The integrated low-side N-channel power MOSFET and current sensing element realize simple and low component count circuitry as no bootstrapping capacitor and external current sensing resistor are required.

Published: Oct 20, 2010 |