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MP3383 - Step-Up WLED Controller

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General Description

The MP3383 is a step-up controller with four LED current channels, designed to drive WLED arrays for large LCD panel backlighting applications.

The MP3383 can expand the number of LED channels with two or more ICs in parallel sharing a single power source.

The MP3383 employs peak current control mode with a fixed switching frequency (fSW) that is configurable via an external setting resistor.

Overview

MP3383 4-String, Max 400mA/String, Max 80V VOUT, Step-Up WLED.

Key Features

  • include over-current protection (OCP), over-temperature protection (OTP), undervoltage protection (UVP), over-voltage protection (OVP), LED short and open protection, and inductor and diode short protection. The MP3383 is available in SOIC-16 and TSSOP-16EP packages.

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