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MP9148GJ - SYNC Buck Regulator

Download the MP9148GJ datasheet PDF. This datasheet also covers the MP9148 variant, as both devices belong to the same sync buck regulator family and are provided as variant models within a single manufacturer datasheet.

General Description

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

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MP9148-MPS.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Monolithic Power Systems

Part Number Description
MP9148 SYNC Buck Regulator
MP9159A COT Synchronous Step-Down Converter
MP9161A COT Synchronous Step-Down Converter
MP9184 Synchronous Boost Converter
MP9186 20V 6A Synchronous Step-Down Converter

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.