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reference designEV1471A-J-00A

Monolithic Power Systems EV1471A-J-00A

High-Efficiency, 3A,16V, 500kHz Sync.Step-Down Converter Evaluation Board In 6-Pin TSOT 23

Overview

TopologyBuck Converter
Input voltage4.5-16 V
Output 13.3 V / 3 A
IC revision1.0

Description

The EV1471A-J-00A Evaluation Board is designed to demonstrate the capabilities of MPS’ MP1471A, a high-frequency, synchronous rectified, step-down, switch-mode converter with internal power MOSFETs. Itoffers a very compact solution to achieve a 3A output current over a wide input supply range, with excellent load and line regulation. The MP1471A has synchronous-mode operation for higher efficiency over the output current-load range.

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

Protection features include over-current protection and thermal shutdown.The MP1471A requires a minimal number of readily-available, standard, external components and is available in a space-saving 6-pin TSOT23 package.

Features

  • Wide 4.5V-to-16V Operating Input Range
  • 110mΩ/57mΩ Low-RDS(ON) Internal Power MOSFETs
  • Proprietary Switching-Loss–Reduction Technology
  • High-Efficiency Synchronous-Mode Operation
  • Fixed 500kHz Switching Frequency
  • Internal AAM Power-Save Mode for High Efficiency at Light Load
  • Internal Soft-Start
  • Over-Current Protection and Hiccup
  • Thermal Shutdown
  • Output Adjustable from 0.8V
  • Available in a 6-pin TSOT-23 package

Typical applications

  • Game Consoles
  • General Purposes
  • Digital Set-Top Boxes
  • Flat-Panel Television and Monitors

More information

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L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
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744314490
SPECWE-HCI SMT Flat Wire High Current Inductor, 4.9 µH, 8.3 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance4.9 µH
Performance Rated Current8.3 A
Saturation Current @ 10%2.2 A
Saturation Current @ 30%6.5 A
DC Resistance14.5 mΩ
Self Resonant Frequency56 MHz
MaterialSuperflux 
Packaging Unit1000 
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