Download LM3424 Datasheet PDF
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LM3424 Description

The LM3424 is a versatile high voltage N-channel MOSFET controller for LED drivers. It can be easily configured in buck, boost, buck-boost and SEPIC topologies. In addition, the LM3424 includes a thermal foldback.

LM3424 Key Features

  • 1 VIN range from 4.5 V to 75 V
  • High-side adjustable current sense
  • 2-Ω, 1-A peak MOSFET gate driver
  • Input undervoltage and output overvoltage
  • PWM and analog dimming
  • Cycle-by-cycle current limit
  • Programmable soft-start and slope pensation
  • Programmable, synchronizable switching
  • Programmable thermal foldback
  • Precision voltage reference