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reference designMP1470

Monolithic Power Systems MP1470

High-Efficiency, 2A, 16V, 500kHz Synchronous, Step-Down Converter In a 6-Pin TSOT 23

Overview

TopologyBuck Converter
Input voltage4.7-16 V
Switching frequency400-580 kHz
Output 13.3 V / 2 A
IC revision1.02

Description

The MP1470 is a high-frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a verycompact solution to achieve a 2A continuous output current over a wide input supply range, with excellent load and line regulation. The MP1470 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 MP1470 requires a minimal number of readily-available, standard, external components and is available in a space-saving 6-pin TSOT23 package.

Features

  • Wide 4.7V-to-16V Operating Input Range
  • 163mΩ/86mΩ Low-RDS(ON) Internal Power MOSFETs
  • Proprietary Switching-Loss–Reduction Technique
  • 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

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

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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