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MP3394SGY - Max 200mA/String White LED Driver

This page provides the datasheet information for the MP3394SGY, a member of the MP3394S Max 200mA/String White LED Driver family.

Description

The MP3394S is a step-up controller with 4 current channels.

It’s designed to drive WLED arrays for large-size LCD-panel backlighting applications.

The MP3394S is flexible, and can expand the number of LED channels with 1 or 2 MP3394S in parallel operating from a single inductive power source.

Features

  • 4-String, Max 200mA/String WLED Driver.
  • 5V to 28V Input Voltage Range.
  • 2.5% Current Matching Accuracy Between Strings.
  • Programmable Switching Frequency.
  • PWM or DC Input Burst PWM Dimming.
  • Open and Short LED Protection.
  • Programmable Over-Voltage Protection.
  • Cascading Capability with a Single Power Source.
  • Under-Voltage Lockout.
  • Thermal Shutdown.
  • TSSOP16EP, SOIC16 and SOIC20 Packages.

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Full PDF Text Transcription

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The Future of Analog IC Technology MP3394S Step-Up, 4-String Max 200mA/String White LED Driver DESCRIPTION The MP3394S is a step-up controller with 4 current channels. It’s designed to drive WLED arrays for large-size LCD-panel backlighting applications. The MP3394S is flexible, and can expand the number of LED channels with 1 or 2 MP3394S in parallel operating from a single inductive power source. The MP3394S uses an architecture of current – mode and fixed operation frequency The frequency is programmable by an external frequency-setting resistor. MP3394S drives an external MOSFET to boost up the output voltage from a 5V to 28V input supply. It regulates the current in each LED string to the programmed value set by an external currentsetting resistor.
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