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TLD5191ES Description

The TLD5191ES is a synchronous MOSFET H-Bridge DC-DC controller with built-in protection.

TLD5191ES Key Features

  • Single inductor high power buck-boost controller
  • Switching frequency range from 200 kHz to 700 kHz
  • Maximum efficiency in every condition (up to 96%)
  • Constant current (LED) and constant voltage regulation
  • EMC optimized device: spread spectrum always activated
  • Overvoltage, shorted LED fault and overtemperature diagnostic output
  • Enhanced dimming features: Analog and PWM dimming (from digital input or sourced by
  • LED current accuracy ± 3% Potential

TLD5191ES Applications

  • Especially designed for driving high power LEDs in automotive applications