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LM3402 Datasheet

Manufacturer: National Semiconductor (now Texas Instruments)
LM3402 datasheet preview

LM3402 Details

Part number LM3402
Datasheet LM3402_NationalSemiconductor.pdf
File Size 1.01 MB
Manufacturer National Semiconductor (now Texas Instruments)
Description 0.5A Constant Current Buck Regulator
LM3402 page 2 LM3402 page 3

LM3402 Overview

The LM3402/02HV are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, they contain a high-side N-channel MOSFET switch with a current limit of 735 mA (typical) for step-down (Buck) regulators. Hysteretic control with controlled on-time coupled with an external resistor allow the converter output voltage to...

LM3402 Applications

  • parallel connected arrays of LEDs of varying number and type, LED dimming by pulse width modulation (PWM), broken/open LED protection, low-power shutdown and th

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