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MIC4576 - 200kHz Simple 3A Buck Voltage Regulator

Description

The MIC4576 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators.

The 200kHz MIC4576 duplicates the pinout and function of the 52kHz LM2576.

The higher switching frequency may allow up to a 2:1 reduction in output filter inductor size.

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Datasheet preview – MIC4576

Datasheet Details

Part number MIC4576
Manufacturer Micrel Semiconductor
File Size 171.10 KB
Description 200kHz Simple 3A Buck Voltage Regulator
Datasheet download datasheet MIC4576 Datasheet
Additional preview pages of the MIC4576 datasheet.

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Full PDF Text Transcription

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MIC4576 Micrel, Inc. MIC4576 200kHz Simple 3A Buck Regulator General Description The MIC4576 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators. The 200kHz MIC4576 duplicates the pinout and function of the 52kHz LM2576. The higher switching frequency may allow up to a 2:1 reduction in output filter inductor size. The MIC4576 is available in 3.3V, and 5V fixed output versions or a 1.23V to 33V adjustable output version. Both versions are capable of driving a 3A load with excellent line and load regulation. The feedback voltage is guaranteed to ±2% tolerance for adjustable versions, and the output voltage is guaranteed to ±3% for fixed versions, within specified voltages and load conditions. The oscillator frequency is guaranteed to ±10%.
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