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Analog Devices LT3762

60V Synchronous Boost LED Controller

Overview

TopologyBuck Converter
Input voltage9-40 V
Switching frequency100-1000 kHz
Output 16 V / 2 A

Description

LT3762 is a synchronous DC/ DC controller designed to operate as a constant current source and constant voltage regulator. it features a programmable internal PWM dimming signal generator and a synchronous gate driver.

Features

  • 3000:1 External PWM Dimming
  • 250:1 Internal PW, Dimming(5% accuracy)
  • Wide Vin Operating Range: 2.5V to 40 V
  • Synchronous Boost Output Voltage up to 60V
  • Spread-Spectrum Frequency Modulation For Lower EMI
  • PMOS Switch Driver for PWM and Output Disconnect
  • Constant current(+/-3.5%) regulation
  • Constant current(+/-2%) regulation
  • Rail-tp-rail LED current sense: 0V to 60V
  • Programmable Vin Undervoltage Lockout
  • Analog Dimming via two conttrol pins
  • 100kHz to 1MHz Operation
  • Programmable Open LED Protection with OPENLED Flage
  • Shor-circuit protection and SHORTLED Flag
  • 28 lEAD TSSOP and QFN (4mm x 5mm) Exposed Pad Packages
  • Drives LEDs in Boost, Buck, or Buck-Boost Configurations

Typical applications

  • Industrial and Automotive Lighting/ Accurate Current-Limited Voltage Regulators

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