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MIC33163 - 4MHz 1A Buck Regulator

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Datasheet Details

Part number MIC33163
Manufacturer Micrel Semiconductor
File Size 1.35 MB
Description 4MHz 1A Buck Regulator
Datasheet download datasheet MIC33163 Datasheet

General Description

The MIC33163/4 is a highly-efficient synchronous buck regulator with integrated inductor which provides the optimal trade-off between footprint and efficiency.

The MIC33163/4 operates at 4MHz switching frequency and provides up to 1A output current.

In addition, the 100% duty cycle and HyperLight Load® (HLL) mode-of-operation delivers very-high efficiency at light loads and ultra-fast transient response which makes the MIC33163/4 perfectly suited for any space constrained application and great alternative for low dropout regulators.

Overview

MIC33163/4 4MHz, 1A, Buck Regulator with Integrated Inductor and HyperLight Load®.

Key Features

  • Integrated MOSFETs and inductor.
  • 100% duty cycle.
  • 4MHz PWM operation in continuous mode.
  • 1A output current.
  • Low output voltage ripple.
  • 85% typical efficiency at 1mA, up to 93% peak efficiency.
  • Ultra-fast transient response.
  • Advanced copper lead frame design provides superior thermal performance.
  • Low-radiated emission (EMI) per EN55022, class B.
  • Adjustable output voltage 0.7V to 5V.
  • Thermal-shutdow.

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