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INFINEON IR38165MTRPBFAUMA1 High-Current Buck Regulator

The IR38165 is a high-current, 15A-rated synchronous buck regulator designed for efficient power delivery in high-performance systems. It features an internal LDO supply, programmable switching frequency from 150 kHz to 1.5 MHz, and supports Intel SVID and I2C/PMBus interfaces for advanced configurability and telemetry. It includes overcurrent, overvoltage, undervoltage, and thermal protections with adjustable thresholds, remote sensing, and a Power Good indicator. Its compact 5mm x 7mm PQFN package and integrated MOSFETs make it ideal for CPU VR modules, servers, and high-end desktop applications requiring precise voltage regulation and system security.

Authorized Distributors
Source:DigiKey
Part No:IR38165MTRPBFAUMA1
Stock:0
Inv Date:05-29-2026
Price: Unit price: $5.57
Buy/RFQ:
Part No:IR38165MTRPBFAUMA1
Stock:768
Inv Date:05-30-2026
Price: Unit price: $4.86
Buy/RFQ:

INFINEON IR38165MTRPBFAUMA1 High-Current Buck Regulator Specifications:

  • Input Voltage Range: 1.5V to 16V
  • Output Voltage Range: 0.5V to 0.875*PVin
  • Maximum Output Current: 15A
  • Switching Frequency: 150 kHz to 1.5 MHz
  • Operating Junction Temperature: -40°C to 125°C
  • Package: 5mm x 7mm PQFN
  • Thermal Resistance Junction-to-Ambient: 11.1°C/W
  • Thermal Resistance Junction-to-Case: 18.9°C/W
  • VCC Supply Voltage: 4.5V to 5.5V (internal LDO), optional external VCC
  • Protection Features: Overcurrent, Overvoltage, Undervoltage, Thermal shutdown
  • Remote Sense Amplifier: True differential
  • Power Good Output: PMBus configurable, open drain
  • Communication Interface: PMBus and Intel SVID support
  • Device Temp Range: -40°C to 125°C
  • Housing: Space-efficient PQFN

Buy the Infineon IR38165MTRPBFAUMA1 – Reliable Buck Regulator for Industrial Applications

Purchase the Infineon IR38165 series buck regulator online today to benefit from its efficient, highly configurable design. This 15A-rated device offers programmable switching frequency, advanced protections, remote sensing, and system telemetry interfaces, making it ideal for CPU VR modules, servers, and high-end desktop applications. Its compact PQFN package allows for space-saving designs while maintaining excellent thermal performance. Enjoy fast delivery, genuine quality, and technical support when ordering online—empowering your system with reliable power regulation tailored to demanding industrial and computing requirements.

Order your Infineon IR38165 series high-current buck regulator today and ensure your power delivery meets the demands of high-performance systems with confidence.

Frequently Asked Questions

Where can I buy INFINEON IR38165MTRPBFAUMA1?

You can click on the BUY or RFQ button to purchase IR38165MTRPBFAUMA1 from an authorized INFINEON distributor.

How do I troubleshoot issues or seek technical support for part IR38165MTRPBFAUMA1?

You can download the IR38165MTRPBFAUMA1 datasheet or visit the INFINEON website for support.

Who is the manufacturer of IR38165MTRPBFAUMA1?

INFINEON

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