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MIC4684 - 2A High-Efficiency SuperSwitcher Buck Regulator

General Description

The MIC4684 is a high-efficiency 200kHz stepdown (buck) switching regulator.

Power conversion efficiency of above 85% is easily obtainable for a wide variety of applications.

The MIC4684 achieves 2A of continuous current in an 8-lead SO (small outline) package at 60°C ambient temperature.

Key Features

  • include over-current protection, frequency.

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Datasheet Details

Part number MIC4684
Manufacturer Micrel Semiconductor
File Size 449.59 KB
Description 2A High-Efficiency SuperSwitcher Buck Regulator
Datasheet download datasheet MIC4684 Datasheet

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Full PDF Text Transcription (Reference)

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MIC4684 MIC4684 Micrel, Inc. 2A High-Efficiency SuperSwitcher™ Buck Regulator General Description The MIC4684 is a high-efficiency 200kHz stepdown (buck) switching regulator. Power conversion efficiency of above 85% is easily obtainable for a wide variety of applications. The MIC4684 achieves 2A of continuous current in an 8-lead SO (small outline) package at 60°C ambient temperature. High efficiency is maintained over a wide output current range by utilizing a boost capacitor to increase the voltage available to saturate the internal power switch. As a result of this high efficiency, no external heat sink is required. The MIC4684, housed in an SO-8, can replace larger TO-220 and TO-263 packages in many applications. The MIC4684 allows for a high degree of safety.