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Microchip Technology MIC4576WUTR buck regulator module

The MIC4576 is a high-efficiency step-down switch-mode voltage regulator series designed for easy integration and operation. Capable of driving up to 3A load, it features fixed and adjustable voltage options, a switching frequency of 200kHz, and operates within a wide input voltage range of 4V to 36V. It offers excellent line and load regulation, low standby current, thermal shutdown, and overcurrent protection. Available in TO-220 and TO-263 packages, its internal frequency compensation simplifies design, making it ideal for power supply, preregulator, and high-efficiency buck converter applications.

Authorized Distributors
Source:DigiKey
Part No:MIC4576WU-TR
Stock:1500
Inv Date:06-03-2026
Price: Unit price: $4.51001
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Part No:MIC4576WU-TR
Stock:599
Inv Date:06-04-2026
Price: Unit price: $5.95
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Part No:MIC4576WU-TR
Stock:1500
Inv Date:06-03-2026
Price: Unit price: $2.58
Buy/RFQ:
Part No:MIC4576WU-TR
Stock:1500
Inv Date:06-03-2026
Price: Unit price: $2.58
Buy/RFQ:
Part No:MIC4576WU-TR
Stock:0
Inv Date:06-03-2026
Price: Unit price: $2.56
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Part No:MIC4576WU TR
Stock:334
Inv Date:06-04-2026
Price: N/A
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Microchip Technology MIC4576WUTR buck regulator module Specifications:

  • Input Voltage Range: 4V to 36V
  • Output Voltage Range: 1.23V to 33V (adjustable), fixed 3.3V and 5V
  • Maximum Output Current: 3A
  • Switching Frequency: 200kHz ±10%
  • Efficiency: Greater than 75%
  • Thermal Shutdown and Overcurrent Protection
  • Package Types: TO-220 (T) and TO-263 (U)
  • Feedback Voltage: ±2% (adjustable), ±3% (fixed)
  • Shutdown Current: Less than 200μA
  • Operating Temperature Range: -40°C to +85°C
  • Dimensions: TO-220 (0.6 x 0.6 x 0.4 inches), TO-263 (0.6 x 0.6 x 0.3 inches)

Buy the Buy MICREL MIC4576 Part Number MIC4576WUTR Online

Order the MICREL MIC4576 buck regulator module online today to benefit from its high efficiency, adjustable output, and minimal external component requirements. Perfect for power supplies, preregulators, and buck conversion circuits, it delivers up to 3A load current with excellent line and load regulation. Its compact design, thermal shutdown, and overcurrent protection ensure reliable operation. Whether you need fixed 3.3V or 5V output or adjustable voltages from 1.23V to 33V, this regulator offers simplicity and performance for your applications.

Get MICREL MIC4576 today—built for high efficiency and reliable power conversion in your electronic projects.

Frequently Asked Questions

Where can I buy Microchip Technology MIC4576WUTR?

You can click on the BUY or RFQ button to purchase MIC4576WUTR from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part MIC4576WUTR?

You can download the MIC4576WUTR datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of MIC4576WUTR?

Microchip Technology

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