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MP2172CGQFU - Sync Step-Down Converter

This page provides the datasheet information for the MP2172CGQFU, a member of the MP2172C Sync Step-Down Converter family.

Description

The MP2172C is a monolithic, step-down, switch-mode converter with built-in internal power MOSFETs.

It achieves 2A of continuous output current from a 2.38V to 5.5V input voltage range with excellent load and line regulation.

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

Features

  • Fixed-Frequency PWM Mode.
  • 1.1MHz Switching Frequency.
  • EN for Power Sequencing.
  • 1% FB Accuracy.
  • Wide 2.38V to 5.5V Operating Input Range.
  • Output Adjustable from 0.6V.
  • Up to 2A Output Current.
  • 75mΩ and 45mΩ Internal Power MOSFET Switches.
  • 100% Duty On.
  • Output Discharge.
  • VOUT Over-Voltage Protection (OVP).
  • Short-Circuit Protection (SCP) with Hiccup Mode.
  • Available in a UTQFN (1.2mmx1.6mm) Package.

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Full PDF Text Transcription

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MP2172C 5.5V, 2A, Sync Step-Down Converter with Output Discharge in UTQFN Package DESCRIPTION The MP2172C is a monolithic, step-down, switch-mode converter with built-in internal power MOSFETs. It achieves 2A of continuous output current from a 2.38V to 5.5V input voltage range with excellent load and line regulation. The output voltage can be regulated as low as 0.6V. The constant-on-time (COT) control scheme provides fast transient response and eases loop stabilization. Fault protections include cycle-bycycle current limiting and thermal shutdown. The MP2172C is ideal for a wide range of applications, including high-performance DSPs, wireless power, portable and mobile devices, and other low-power systems.
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