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MIC23031 - 4MHz PWM 400mA Buck Regulator

General Description

The MIC23031 is a high-efficiency, 4 MHz, 400 mA synchronous buck regulator with HyperLight Load® mode.

HyperLight Load provides very high efficiency at light loads and ultra-fast transient response that is perfectly suited for supplying processor core voltages.

Key Features

  • Input Voltage: 2.7V to 5.5V.
  • 400 mA Output Current.
  • Up to 93% Efficiency and 88% at 1 mA.
  • 21 µA Typical Quiescent Current.
  • 4 MHz PWM Operation in Continuous Mode.
  • Ultra-Fast Transient Response.
  • Low Voltage Output Ripple - 20 mVPP Ripple in HyperLight Load® Mode - 3 mV Output Voltage Ripple in Full PWM Mode.
  • 0.01 µA Shutdown Current.
  • MIC23031 Fixed and Adjustable Output Voltage Options Available.
  • 1.6 mm x 1.

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Full PDF Text Transcription (Reference)

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MIC23031 4 MHz PWM 400 mA Buck Regulator with HyperLight Load® Features • Input Voltage: 2.7V to 5.5V • 400 mA Output Current • Up to 93% Efficiency and 88% at 1 mA • 21 µA Typical Quiescent Current • 4 MHz PWM Operation in Continuous Mode • Ultra-Fast Transient Response • Low Voltage Output Ripple - 20 mVPP Ripple in HyperLight Load® Mode - 3 mV Output Voltage Ripple in Full PWM Mode • 0.01 µA Shutdown Current • MIC23031 Fixed and Adjustable Output Voltage Options Available • 1.6 mm x 1.