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reference designEV2139DD-00A

Monolithic Power Systems EV2139DD-00A

High Effeciency, Fast Transient, 3A, 7V Synchronous Step-down Converter

Overview

TopologyBuck Converter
Input voltage3.3-7 V
Output 11.2 V / 3 A
IC revision1.0

Description

The EV2139DD-00A is a fully integrated high frequency synchronous rectified step-down switch mode converter. It offers a very compactsolution to achieve 3A continuous output current over a wide input supply range with excellent load and line regulation. The MP2139operates at high efficiency over a wide output current load range.Constant-On-Time (COT) control mode provides fast transient response and eases loop stabilizationFull protection features include OCP, OVP, UVP and thermal shut down.The EV2139DD-00A requires a minimum number of readily available standard external components and is available in a space saving 2mm x 3mm 12-pin QFN package.

Features

  • Wide 3.3V to 7V Operating Input Range
  • 3A Output Current
  • Low RDS(ON) Internal Power MOSFETs
  • Proprietary Switching Loss ReductionTechnique
  • 1% Reference Voltage
  • Programmable Soft Start Time
  • Soft Shutdown
  • Programmable Switching Frequency
  • OCP, OVP, UVP Protection and ThermalShutdown
  • Output Adjustable from 0.815V to 13V
  • Available in 12-pin QFN2x3 Package

Products

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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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7443552200
SPECWE-HCI SMT Flat Wire High Current Inductor, 2 µH, 14.8 A
Simu­lation
Availability
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Downloads9 files

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CAD files ZIP

Electric models ZIP

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance2 µH
Performance Rated Current14.8 A
Saturation Current @ 10%5 A
Saturation Current @ 30%13 A
DC Resistance7.3 mΩ
Self Resonant Frequency53 MHz
MaterialWE-PERM 
Packaging Unit800 
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