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MP2155 - High Efficiency Single Inductor Buck-Boost Converter

Description

The MP2155 is a highly efficient, low quiescent current Buck-Boost converter, which operates from input voltage above, below and equal to the output voltage.

Features

  • High Efficiency up to 95%.
  • Load Disconnect During Shutdown.
  • Input Voltage Range: 2V to 5.5V.
  • Adjustable Output Voltage from 1.5V to 5V.
  • 3.3V/1A Load Capability from 2.7V-to-5.5V Vin.
  • 1MHz Switching Frequency.
  • Pulse Skipping Mode at Light Load.
  • Typical 80μA Quiescent Current.
  • Internal Loop Compensation for Fast Response.
  • Internal Soft Start.
  • OTP, Hiccup SCP.
  • Available in Small 3x3mm QFN10.

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Full PDF Text Transcription

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The Future of Analog IC Technology MP2155 High Efficiency Single Inductor Buck-Boost Converter with 2.2A Switches DESCRIPTION The MP2155 is a highly efficient, low quiescent current Buck-Boost converter, which operates from input voltage above, below and equal to the output voltage. The device provides power solution for products powered by a one-cell Lithium-Ion or multi-cell alkaline battery applications where the output voltage is within battery voltage range. The MP2155 uses a current mode, fixed frequency PWM control for optimal stability and transient response. The fixed 1MHz switching frequency and integrated low RDS(ON) N-channel and P-channel MOSFETs minimize the solution footprint while maintaining high efficiency.
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