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IC manufacturers Monolithic Power Systems

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reference designMP1499

Monolithic Power Systems MP1499

High Efficiency 5A Peak, 16V, 500kHz Synchronous Step Down Converter

Overview

TopologyBuck Converter
Input voltage5-16 V
Switching frequency430-580 kHz
Output 13.3 V / 5 A
IC revision1.0

Description

The MP1499 is a high frequency synchronous rectified step-down switch mode converter with built in internal power MOSFETs. It offers a very compact solution to achieve 5A peak output current over a wide input supply range with excellent load and line regulation. The MP1499 has synchronous mode operation for higher efficiency over output current load range.Current mode operation provides fast transient response and eases loop stabilization.Full protection features include over current protection and thermal shut down.The MP1499 requires a minimum number of readily available standard external components and is available in a space saving 10-pin QFN(2x3mm) package.

Features

  • Wide 4.5V to 16V Operating Input Range
  • 70mΩ/25mΩ Low RDS(ON) Internal Power MOSFETs
  • Proprietary Switching Loss Reduction Technique
  • Fixed 500kHz Switching Frequency
  • Sync from 200kHz to 2MHz External Clock
  • AAM Power Save Mode
  • External Soft Start
  • OCP Protection and Hiccup
  • Thermal Shutdown
  • Output Adjustable from 0.8V
  • Available in a QFN10 (2x3mm) Package

Typical applications

  • Digital Set Top Boxes
  • Flat Panel Television and Monitors
  • Distributed Power Systems

More information

Products

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Data­sheet
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Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
SamplesAvailability & Sample
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744311330
SPECWE-HCI SMT Flat Wire High Current Inductor, 3.3 µH, 8.1 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance3.3 µH
Performance Rated Current8.1 A
Saturation Current @ 10%4.5 A
Saturation Current @ 30%11 A
DC Resistance17.2 mΩ
Self Resonant Frequency43 MHz
MaterialSuperflux 
Packaging Unit1000 
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