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IC manufacturers Monolithic Power Systems

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reference designMP38671

Monolithic Power Systems MP38671

25V, 600kHz, 10A Step-Down Converter with Synchronizable Gate Driver. Power Good Output

Overview

TopologyBuck Converter
Input voltage4.5-25 V
Switching frequency400-800 kHz
Output 13.3 V / 10 A
IC revision1.1

Description

The MP38671 is a monolithic step-down switch mode converter with a built in internal power MOSFET. It achieves 10A continuous output current over a wide input supply range with excellent load and line regulation.

Current mode operation provides fast transient response and eases loop stabilization.

Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown.

The MP38671 requires a minimum number of readily available standard external components and is available in a space saving 3 x4mm 14-pin QFN package.

Features

  • Wide 4.5V to 25V Operating Input Range
  • 10A Continuous Output Current
  • 60mΩ Internal Power MOSFET Switch
  • Power Good Indicator
  • Synchronous Gate Driver Delivers up to 95% Efficiency
  • Fixed 600KHz Frequency
  • Synchronizable to >1MHz External Clock
  • Cycle-by-Cycle Over Current Protection
  • Thermal Shutdown
  • Output Adjustable from 0.8V to 15V
  • Stable with Low ESR Output Ceramic Capacitor
  • Available in a 3x4mm 14-Pin QFN Package

Typical applications

  • Digital Set Top Boxes
  • Personal Video Recorders
  • Flat Panel Television and Monitors
  • Broadband Communications
  • Point of Load Regulator in Distributed Power System

More information

Products

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Data­sheet
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Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
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744311150
SPECWE-HCI SMT Flat Wire High Current Inductor, 1.5 µH, 13.8 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance1.5 µH
Performance Rated Current13.8 A
Saturation Current @ 10%4.5 A
Saturation Current @ 30%14 A
DC Resistance6.6 mΩ
Self Resonant Frequency72 MHz
MaterialSuperflux 
Packaging Unit1000 
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