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reference designMP3398E | Demoboard EV3398E-U-00A

Monolithic Power Systems MP3398E | Demoboard EV3398E-U-00A

4 strings WLED Controller With 80V Return Evaluation Board

Overview

TopologyBoost Converter
Input voltage13-33 V
Switching frequency305-460 kHz
Output 10.12 A
IC revision1.0

Description

The MP3398E is a step-up controller with four current channels designed to drive WLED arrays for large size LCD panel backlighting applications. The MP3398E is able to expand the number of LED channels with two or more ICs in parallel sharing a single power source

Features

  • 4-String, Max 400mA/String WLED Driver
  • 4.5V to 33V Input Voltage Range
  • 80V ABS. Rating for Each String
  • 2.3% Current Matching Accuracy Between Each String
  • Direct PWM Dimming Mode
  • Analog Dimming Mode with PWM Input
  • Cascading Capability with a Single Power Source
  • LED Open and Short Protection
  • Programmable Recoverable Over-Voltage Protection (OVP)
  • 202mV Latch-off Cycle-by-Cycle Current Limit Threshold
  • Latch-Off Over-Temperature Protection (OTP)
  • Available in TSSOP-16EP and PDIP-16 Packages

Typical applications

  • Desktop LCD Flat Panel Displays/ 2D/3D LCD TVs
  • All-in-one PCs

More information

Parts approved by Monolithic Power Systems

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Product series
L(µH)
IRP,40K(A)
RDC max.(mΩ)
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7447709330
SPECWE-PD SMT Power Inductor, 33 µH, 5.5 A

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PD SMT Power Inductor
Inductance33 µH
Performance Rated Current5.5 A
DC Resistance45 mΩ
Self Resonant Frequency8.5 MHz
Size1210 
VersionStandard 
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