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MP9161A - COT Synchronous Step-Down Converter

General Description

The MP9161A is a monolithic, step-down, switch-mode converter with built-in internal power MOSFETs.

It achieves a 2A continuous output current from a 2.5V to 6V input voltage range with excellent load and line regulation.

The output voltage is regulated as low as 0.6V.

Key Features

  • Very Low IQ: 17μA.
  • Default 1.5MHz Switching Frequency.
  • 1.5% VFB Accuracy.
  • EN and Power Good for Power Sequencing.
  • Wide 2.5V to 6V Operating Input Range.
  • Output Adjustable from 0.6V.
  • Up to 2A Output Current.
  • 100% Duty Cycle in Dropout.
  • 110mΩ and 60mΩ Internal Power MOSFET Switches.
  • Cycle-by-Cycle Over-Current Protection.
  • Short-Circuit Protection with Hiccup Mode.
  • Stable with Low ESR Output Ceramic Capacitors.
  • Available in a TSOT23-.

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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.

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The Future of Analog IC Technology DESCRIPTION The MP9161A is a monolithic, step-down, switch-mode converter with built-in internal power MOSFETs. It achieves a 2A continuous output current from a 2.5V to 6V input voltage range with excellent load and line regulation. The output voltage is regulated as low as 0.6V. The constant-on-time (COT) control scheme provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. The MP9161A is available in a small TSOT23-8 package and requires a minimum number of readily available, standard, external components. The MP9161A is ideal for a wide range of applications including high performance DSPs, FPGAs, PDAs, and portable instruments. MP9161A 2A, 6V, 1.