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reference designMP9151

Monolithic Power Systems MP9151

20V, 4A Synchronous Step-Down Coverter

Overview

TopologyBuck Converter
Input voltage4.5-20 V
Switching frequency580-1040 kHz
Output 13.3 V / 4 A
IC revision1.0

Description

The MP9151 is a synchronous rectified stepdown switch mode converter with built in internal power MOSFETs. It offers a very compact solution to achieve 4A continuous output current over a wide input supply rangewith excellent load and line regulation. The MP9151 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 OCP and thermal shut down.The MP9151 requires a minimum number of readily available standard external components and is available in a space saving 2mm x 3mm 14-pin QFN package.

Features

  • Wide 4.5V to 20V Operating Input Range
  • 4A Output Current
  • Low Rds(ON) Internal Power MOSFETs
  • Programmable Switching Frequency from 300kHz to 1.6MHz
  • EN ON/OFF Control
  • Internal Power Save Mode
  • Power Good Indicator
  • External Soft Start
  • OCP and Thermal Shutdown
  • Available in 14-pin QFN2x3 Package

Typical applications

  • DSL Modems
  • Set Top Boxes
  • Cable Modems

More information

Parts approved by Monolithic Power Systems

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Order Code
Data­sheet
Simu­lation
Downloads
Status
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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744311220
SPECWE-HCI SMT Flat Wire High Current Inductor, 2.2 µH, 10.2 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.

Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance2.2 µH
Performance Rated Current10.2 A
Saturation Current @ 10%5.6 A
Saturation Current @ 30%13 A
DC Resistance11.4 mΩ
Self Resonant Frequency52 MHz
MaterialSuperflux 
Packaging Unit1000 
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