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reference designMP1494

Monolithic Power Systems MP1494

High-Efficiency, 2A, 16V, 500kHz Synchronous, Step-Down Converter

Overview

TopologyBuck Converter
Input voltage4.5-16 V
Switching frequency440-580 kHz
Output 13.3 V / 2 A
IC revision1.04

Description

The MP1494 is a high-frequency, synchronous, rectified, step-down, switch-mode converter with built-in power MOSFETs. It offers a verycompact solution to achieve a 2A continuous output current with excellent load and line regulation over a wide input supply range. The MP1494 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 MP1494 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
  • 100mΩ/40mΩ Low RDS(ON) Internal Power MOSFETs
  • High-Efficiency Synchronous Mode Operation
  • Fixed 500kHz Switching Frequency
  • Synchronizes from a 200kHz-to-2MHz External Clock
  • AAM Power-Save Mode
  • Internal 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
  • Flat-Panel Television and Monitors
  • Notebook Systems and I/O Power
  • Digital Set-Top Boxes

More information

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7447714056
SPECWE-PD SMT Power Inductor, 5.6 µH, 7.2 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-PD SMT Power Inductor
Inductance5.6 µH
Saturation Current7.2 A
DC Resistance14.4 mΩ
Self Resonant Frequency28 MHz
Size1050 
VersionPerformance 
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