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IC manufacturers Monolithic Power Systems

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reference designMP1498

Monolithic Power Systems MP1498

High-Efficiency, 2A, 16V, 1.4MHz Synchronous, Step-Down Converter

Overview

TopologyBuck Converter
Input voltage5-16 V
Switching frequency1100-1700 kHz
Output 13.3 V / 2 A
IC revision1.01

Description

The MP1498 is a high-frequency, synchronous, rectified, step-down, switch-mode converter with built-in internal power MOSFETs. It offers avery compact solution to achieve 2A continuous output current with excellent load and line regulation over a wide input supply range. TheMP1498 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 MP1498 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
  • 100mΩ/40mΩ 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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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
SamplesAvailability & Sample
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744310200
SPECWE-HCI SMT Flat Wire High Current Inductor, 2 µH, 8.7 A
Simu­lation
Availability
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Downloads9 files

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CAD files ZIP

Electric models ZIP

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance2 µH
Performance Rated Current8.7 A
Saturation Current @ 10%3 A
Saturation Current @ 30%9 A
DC Resistance14.2 mΩ
Self Resonant Frequency58 MHz
MaterialSuperflux 
Packaging Unit1500 
–Check availability
744311220
SPECWE-HCI SMT Flat Wire High Current Inductor, 2.2 µH, 10.2 A
Simu­lation
Availability
–
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance2.2 µH
Performance Rated Current10.2 A
Saturation Current @ 10%5.6 A
Saturation Current @ 30%13 A
DC Resistance11.4 mΩ
Self Resonant Frequency52 MHz
MaterialSuperflux 
Packaging Unit1000 
–Check availability