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MP9148 - SYNC Buck Regulator

Datasheet Summary

Description

The MP9148 is an internally-compensated, 1MHz fixed-frequency, dual PWM, synchronous, step-down regulator.

Features

  • Dual 1A-Output Current.
  • >93% Peak Efficiency.
  • >80% Light-Load Efficiency.
  • Wide 2.7V-to-6V Operating Input Range.
  • 100mΩ and 40mΩ Internal Power MOSFET.
  • 1MHz Fixed Switching Frequency.
  • Adjustable Output from 0.608V to VIN.
  • 180° Phase-Shifted Operation.
  • 100% Duty-Cycle Operation.
  • 45µA Quiescent Current.
  • Cycle-by-Cycle Over-Current Protection.
  • Short-Circuit Protection with Hiccup Mode.

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Datasheet preview – MP9148

Datasheet Details

Part number MP9148
Manufacturer MPS
File Size 511.13 KB
Description SYNC Buck Regulator
Datasheet download datasheet MP9148 Datasheet
Additional preview pages of the MP9148 datasheet.

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Full PDF Text Transcription

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The Future of Analog IC Technology MP9148 6V, 1A, Low Quiescent Current Dual, SYNC Buck Regulator DESCRIPTION The MP9148 is an internally-compensated, 1MHz fixed-frequency, dual PWM, synchronous, step-down regulator. The MP9148 operates from a 2.7V-to-6V input, generates an output voltage as low as 0.608V, and has a 45µA quiescent current that makes it ideal for powering portable equipment that runs on a single cell lithium-ion (Li+) battery. The MP9148 integrates dual 100mΩ high-side switches and 40mΩ synchronous rectifiers for high efficiency without an external Schottky diode. Peak-current mode control and internal compensation limits the minimum number of readily-available external components. Fault-condition protections include cycle-by-cycle current limiting and thermal shutdown.
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