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MP2905 - Synchronous Step-Down Controller

General Description

The MP2905 is a hysteretic voltage-mode control, synchronous PWM buck controller.

VIN.

It achieves high output current over a wide input supply range from 3V-28V.

Key Features

  • Wide 3V to 28V Operating Input Range.
  • Output Adjustable from 0.6V to 0.9.
  • Vin.
  • Switching frequency from 200kHz to 500kHz.
  • Programmable Soft-Start.
  • Hiccup current limit.
  • Lossless peak current sensing.
  • MSOP-10 package.

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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 MP2905 3V-28V Input, Hysteretic Synchronous Step-Down Controller DESCRIPTION The MP2905 is a hysteretic voltage-mode control, synchronous PWM buck controller. The output voltage can be regulated from 0.6V to 0.9*VIN. It achieves high output current over a wide input supply range from 3V-28V. MP2905 integrates an internal LDO regulator that makes the controller function at a wide input supply. Hysteretic voltage-mode control provides fast transient response without additional loop compensation. An adjustable soft-start prevents inrush current at turn-on. The device senses high-side switch voltage drop for hiccup current limit and short current protection. The frequency is adjustable from 200kHz to 500kHz.