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MIC23303 - 4MHz PWM 3A Buck Regulator

Datasheet Summary

Description

The MIC23303 is a high-efficiency 4MHz 3A synchronous buck regulator with HyperLight Load™ mode, Power Good output indicator, and programmable soft-start.

Features

  • Input voltage: 2.7V to 5.5V.
  • Output voltage: down to 0.65.
  • Up to 3A output current.
  • Up to 93% peak efficiency.
  • 80% typical efficiency at 1mA.
  • Power Good output.
  • Programmable soft-start.
  • 24µA typical quiescent current.
  • 4MHz PWM operation in continuous mode.
  • Ultra-fast transient response.
  • Low ripple output voltage.
  • 35mVpp ripple in HyperLight Load mode.
  • 5mV output voltage ripple in.

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Datasheet preview – MIC23303

Datasheet Details

Part number MIC23303
Manufacturer Micrel Semiconductor
File Size 967.86 KB
Description 4MHz PWM 3A Buck Regulator
Datasheet download datasheet MIC23303 Datasheet
Additional preview pages of the MIC23303 datasheet.

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Full PDF Text Transcription

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MIC23303 4MHz PWM 3A Buck Regulator with HyperLight Load™ and Power Good General Description The MIC23303 is a high-efficiency 4MHz 3A synchronous buck regulator with HyperLight Load™ mode, Power Good output indicator, and programmable soft-start. HyperLight Load provides very high efficiency at light loads and ultrafast transient response, which makes the MIC23303 perfectly suited for supplying processor core voltages. An additional benefit of this proprietary architecture is very low output ripple voltage throughout the entire load range with the use of small output capacitors. The tiny 3mm × 3mm DFN package saves precious board space and requires only six external components. The MIC23303 is designed for use with a very small inductor, down to 0.
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