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Microchip Technology MIC49300WR High-Current Voltage Regulator

The MIC49300 is a high-performance, low-dropout linear regulator designed for high current applications requiring fast transient response. It utilizes dual input supplies for ultra-low dropout voltage and efficient power conversion, supporting output currents up to 3A with fixed options from 0.9V to 1.8V, or adjustable down to 0.9V. Designed for powering microprocessors, digital ICs, and graphics processors, it features stability with ceramic capacitors, thermal shutdown, current limit protection, and a wide temperature range from -40°C to +125°C. Its design requires minimal external components, ensuring reliable, high-speed regulation in compact packages.

Authorized Distributors
Source:Newark
Part No:MIC49300WR
Stock:146
Inv Date:06-11-2026
Price: Unit price: $5.7
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Source:DigiKey
Part No:MIC49300WR
Stock:43
Inv Date:06-11-2026
Price: Unit price: $5.53
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Part No:MIC49300WR
Stock:153
Inv Date:06-12-2026
Price: Unit price: $5.53
Buy/RFQ:
Part No:MIC49300WR
Stock:144
Inv Date:06-11-2026
Price: Unit price: $3.47
Buy/RFQ:
Part No:MIC49300WR
Stock:144
Inv Date:06-11-2026
Price: Unit price: $3.47
Buy/RFQ:
Part No:MIC49300WR
Stock:0
Inv Date:06-11-2026
Price: Unit price: $4.78
Buy/RFQ:

Microchip Technology MIC49300WR High-Current Voltage Regulator Specifications:

  • Input voltage range: Vin 1.4V to 6.5V, Vpias 3.0V to 6.5V
  • Output voltages: fixed from 0.9V to 1.8V, adjustable to 0.9V
  • Maximum current: 3A
  • Dropout voltage: approximately 500mV over temperature
  • Operating temperature: -40°C to +125°C
  • Supported with ceramic capacitors of 1pF minimum for stability
  • Package: 5-pin S-Pak
  • Thermal shutdown, current limit protection, logic-controlled shutdown
  • Enables high-speed transient response with bandwidth up to 10MHz
  • Input bias supply voltage: 3V to 6.5V

Buy the Buy MICREL MIC49300 Part Number MIC49300WR Online

Order the MIC49300WR online today to ensure your designs benefit from high efficiency, fast transient response, and low dropout performance. Designed for powering microprocessors, digital circuits, and graphics processors, this low-voltage linear regulator supports up to 3A current with fixed or adjustable voltage options, and is compatible with ceramic capacitors for stability. Its reliable protection features and wide temperature range make it ideal for demanding applications, providing a compact, cost-effective solution for high-performance power management needs in various electronic systems.

Get MICREL MIC49300WR today—built for high-current, fast transient response, and reliable microprocessor power regulation.

Frequently Asked Questions

Where can I buy Microchip Technology MIC49300WR?

You can click on the BUY or RFQ button to purchase MIC49300WR from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part MIC49300WR?

You can download the MIC49300WR datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of MIC49300WR?

Microchip Technology

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