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MP3367 - Boost WLED Driver

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General Description

The MP3367 is a step-up converter with six channel current sources, designed to drive white LED arrays as backlighting in small-to-mid-size LCD panels.

The MP3367 uses peak current mode as its PWM control architecture to regulate the boost converter.

Overview

DESCRIPTION The MP3367 is a step-up converter with six channel current sources, designed to drive white LED arrays as backlighting in small-to-mid-size LCD panels.

Key Features

  • 3.5V to 36V Input Voltage Range.
  • Six Channels with Max 150mA per Channel.
  • Internal 100mΩ, 50V MOSFET.
  • Programmable Up to 2.2MHz fSW.
  • External Sync SW Function.
  • Multi-Dimming Operation Mode through PWM Input, Including: o Direct PWM Dimming o Analog Dimming o Mix Dimming with 25%/12.5% Transfer Point.
  • 15000:1 Dim Ratio in PWM Dim at fPWM ≤ 200Hz.
  • 200:1 Dim Ratio at Analog Dim through PWM Dim Signal Input.
  • Excellent EMI Performance, Frequency Spread Sp.

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