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MIC23603 - 4MHz PWM 6A Buck Regulator

General Description

The MIC23603 is a high-efficiency 4MHz 6A synchronous ® buck regulator with HyperLight Load mode.

HyperLight Load provides very high efficiency at light loads and ultrafast transient response which is perfectly suited for supplying processor core voltages.

Key Features

  • Input voltage: 2.7V to 5.5V 6A output current Up to 93% efficiency and 81% at 1mA 24µA typical quiescent current 4MHz PWM operation in continuous mode Ultra-fast transient response Power Good Programmable soft-start Low voltage output ripple.
  • 14mVpp ripple in HyperLight Load mode.
  • 5mV output voltage ripple in full PWM mode Fully integrated MOSFET switches 0.01µA shutdown current Thermal sh.

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Datasheet Details

Part number MIC23603
Manufacturer Micrel Semiconductor
File Size 2.81 MB
Description 4MHz PWM 6A Buck Regulator
Datasheet download datasheet MIC23603 Datasheet

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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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MIC23603 4MHz PWM 6A Buck Regulator with HyperLight Load® Revision 1.1 General Description The MIC23603 is a high-efficiency 4MHz 6A synchronous ® buck regulator with HyperLight Load mode. HyperLight Load provides very high efficiency at light loads and ultrafast transient response which is 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 4mm x 5mm DFN package saves precious board space and requires few external components. The MIC23603 is designed for use with a very small inductor, down to 0.33µH, and an output capacitor as small as 47µF that enables a sub-1mm height.