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IC manufacturers Monolithic Power Systems

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reference designMP2233

Monolithic Power Systems MP2233

High-Efficiency, 3A, 16V, 1.4MHz Synchronous, Step-Down Converter

Overview

TopologyBuck Converter
Input voltage4.5-16 V
Switching frequency1100-1700 kHz
Output 15 V / 3 A
Output 23.3 V / 3 A
IC revision1.01

Description

The MP2233 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 3A continuous output current with excellent load and line regulation over a wide input supply range. The MP2233 has synchronous mode operation for higher efficiency over the output current load range.Current-mode operation provides a fast transient response and eases loop stabilization.Protective features include over-current protection, thermal shutdown, and external SS control.The MP2233 requires a minimal number of readily-available external components and is available in a space-saving 8-pin TSOT23 package.

Features

  • Wide 4.5V-to-16V Operating Input Range
  • 80mΩ/30mΩ Low RDS(ON) Internal Power MOSFETs
  • Proprietary Switching-Loss–Reduction Technique
  • High-Efficiency Synchronous Mode Operation
  • Fixed 1.4MHz Switching Frequency
  • Can Synchronize to a 300kHz-to-3MHz External Clock
  • Externally-Programmable Soft-Start
  • OCP and Hiccup
  • Thermal Shutdown
  • Output Adjustable from 0.8V
  • Available in an 8-pin TSOT-23 Package

Typical applications

  • Flat-Panel Televisions and Monitors
  • Digital Set-Top Boxes
  • Distributed Power Systems
  • Notebook Systems and I/O Power

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
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744311150
SPECWE-HCI SMT Flat Wire High Current Inductor, 1.5 µH, 13.8 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance1.5 µH
Performance Rated Current13.8 A
Saturation Current @ 10%4.5 A
Saturation Current @ 30%14 A
DC Resistance6.6 mΩ
Self Resonant Frequency72 MHz
MaterialSuperflux 
Packaging Unit1000 
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