LM3421-SEPICEV, Evaluation Board using LM3421 SEPIC constant current LED driver for automotive applications

Reference Design using part LM3421MH by Texas Instruments

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LM3421-SEPICEV Image
LM3421-SEPICEV Schematic
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Manufacturer

Texas Instruments
  • Application Category
    Lighting
  • Product Type
    General LED Driver

Associated Documents

For End Products

  • Automotive and Transportation
  • Beacon
  • Emergency LED lighting

Description

  • LM3421-SEPICEV, Evaluation Board using LM3421 controller configured as a SEPIC constant current LED driver. It is capable of converting input voltages from 8 V to 18 V and illuminating up to six LEDs with approximately 350 mA of drive current. Additional features include analog and pulse-width modulated (PWM) dimming, over-voltage protection, under-voltage lock-out and cycle-by-cycle current limit

Key Features

  • Input Voltage
    8 to 18 V
  • Output Voltage
    18.9 V
  • Output Current
    0.345 A
  • Number of Derived Elements
    6

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