IR3897MTR1PBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3897MTR1PBF is a synchronous buck controller from Infineon Technologies designed for high-efficiency power conversion in computing and graphics applications. It integrates two high-side and two low-side MOSFET drivers with an internal error amplifier and PWM logic. The device supports input voltages up to 5.5V and delivers output currents exceeding 40A when paired with external components. Key electrical parameters include a switching frequency range of 200kHz to 600kHz, adjustable via an external resistor. It features programmable soft-start, voltage tracking, and comprehensive protection mechanisms including over-current, over-voltage, and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated dual-channel synchronous buck controller architecture
• Supports wide input voltage range suitable for multi-phase configurations
• Includes advanced protection features such as over-current and thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• Central Processing Unit (CPU) core voltage regulation
• Graphics Processing Unit (GPU) power delivery systems
• Server and workstation mainboard power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix 'MTR1PBF' against official Infineon documentation to confirm tape-and-reel packaging and lead-free compliance. Ensure the ordering part number matches the specific revision required for your design. Cross-reference with the manufacturer's latest datasheet to confirm availability and any potential obsolescence notices before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring high current density and efficient power management in compact form factors. Evaluate the need for multiple phases based on total load current requirements. Consider the external component selection for inductors and capacitors to optimize transient response and stability within the specified operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This controller belongs to Infineon's XDP family of digital and analog power management solutions. It is engineered for next-generation processors that demand precise voltage regulation and fast transient response. The device complements other components in a complete power stage solution, often used alongside gate drivers or integrated power modules in high-performance computing environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult Infineon's official cross-reference tools for verified substitutes. Potential alternatives may include newer generations within the XDP series or compatible controllers from other manufacturers, provided pin compatibility and electrical specifications align with the original design requirements.