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IC manufacturers Monolithic Power Systems

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reference designMP2235

Monolithic Power Systems MP2235

High-Efficiency, 3A, 16V, 800kHz Synchronous, Step-Down Converter

Overview

TopologyBuck Converter
Input voltage5-16 V
Switching frequency690-870 kHz
Output 13.3 V / 3 A
IC revision1.0

Description

The MP2235 is a high-frequency, synchronous, rectified, step-down, switch-mode converter with built-in power MOSFETs. It offers a verycompact solution to achieve a 3A continuous output current with excellent load and line regulation over a wide input supply range. The MP2235 has synchronous mode operation for higher efficiency over the output current load range.

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

Full protection features include over-current protection and thermal shut down.

The MP2235 requires a minimal number of readily-available standard 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
  • High-Efficiency Synchronous Mode Operation
  • Fixed 800kHz Switching Frequency
  • Synchronizes from a 300kHz-to-2MHz External Clock
  • Power-Save Mode at Light Load
  • External Soft-Start
  • OCP Protection and Hiccup
  • Thermal Shutdown
  • Output Adjustable from 0.8V
  • Available in an 8-pin TSOT-23 Package

Typical applications

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

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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744311330
SPECWE-HCI SMT Flat Wire High Current Inductor, 3.3 µH, 8.1 A
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Downloads9 files

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance3.3 µH
Performance Rated Current8.1 A
Saturation Current @ 10%4.5 A
Saturation Current @ 30%11 A
DC Resistance17.2 mΩ
Self Resonant Frequency43 MHz
MaterialSuperflux 
Packaging Unit1000 
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