MP21148GQD - Step-Down Converter

Monolithic Power Systems

Download the MP21148GQD datasheet PDF. This datasheet also includes the MP21148 variant, as both parts are published together in a single manufacturer document.

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MP21148GQD step-down converter by Monolithic Power Systems - Datasheet Preview — Note: The manufacturer provides a single datasheet file (MP21148-MPS.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	MP21148GQD
Manufacturer	Monolithic Power Systems
File Size	1.07 MB
Description	Step-Down Converter
Datasheet	MP21148GQD Datasheet

General Description

The MP21148 is a monolithic, step-down, switch-mode converter with built-in, internal power MOSFETs.

It can achieve 1A of continuous output current from a 2.3V-to-5.5V input voltage with excellent load and line regulation.

The output voltage can be regulated as low as 0.6V.

Overview

MP21148 1A, Synchronous, Step-Down Converter with CCM.

Key Features

2.4MHz Switching Frequency.
EN for Power Sequencing.
Wide 2.3V-to-5.5V Operating Input Range.
Output Adjustable from 0.6V.
Up to 1A of Output Current.
120mΩ and 80mΩ Internal Power MOSFET Switches.
Output Discharging.
100% Duty Cycle.
Short-Circuit Protection (SCP) with Hiccup Mode.
Stable with Low ESR Output Ceramic Capacitors.
Available in a QFN-6 (1.0mmx1.5mm) Package.
Continuous Conduction Mode (CCM).

More Datasheets from Monolithic Power Systems

Part Number	Description
MP21148	Step-Down Converter
MP2112	1A Synchronous Step-Down Converter
MP2112DJ	1A Synchronous Step-Down Converter
MP2112DQ	1A Synchronous Step-Down Converter
MP2115	2A Synchronous Step-Down Converter
MP2116	Step-Down Converter
MP2116DQ	Step-Down Converter
MP2117	2.2A Synchronous Step-Down Switcher
MP2117DN	2.2A Synchronous Step-Down Switcher
MP2117DQ	2.2A Synchronous Step-Down Switcher