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XRP6124 - Non-Synchronous PFET Step-Down Controller

General Description

The XRP6124 is a non synchronous step down (buck) controller for up to 5Amps point of loads.

A wide 3V to 30V input voltage range allows for single supply operations from industry standard 3.3V, 5V, 12V and 24V power rails.

Key Features

  • 5A Point-of-Load Capable.
  • Down to 1.2V Output Voltage Conversion.
  • Wide Input Voltage Range.
  • 3V to 18V: XRP6124.
  • 4.5V to 30V: XRP6124HV.
  • Constant On-Time Operations.
  • Constant Frequency Operations.
  • No External Compensation.
  • Supports Ceramic Output Capacitors.
  • Built-in 2ms Soft Start.
  • Short Circuit Protection.

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Full PDF Text Transcription for XRP6124 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for XRP6124. For precise diagrams, and layout, please refer to the original PDF.

January 2011 XRP6124 Non-Synchronous PFET Step-Down Controller Rev. 1.1.0 GENERAL DESCRIPTION The XRP6124 is a non synchronous step down (buck) controller for up to 5Amps...

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P6124 is a non synchronous step down (buck) controller for up to 5Amps point of loads. A wide 3V to 30V input voltage range allows for single supply operations from industry standard 3.3V, 5V, 12V and 24V power rails. With a proprietary Constant On-Time (COT) control scheme, the XRP6124 provides extremely fast line and load transient response while the operating frequency remains nearly constant. It requires no loop compensation hence simplifying circuit implementation and reducing overall component count. The XRP76124 also implements an emulated ESR circuitry allowing usage of ceramic output capacitors and insuring stable

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