IR3870MTR1PBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3870MTR1PBF is a synchronous step-down switching regulator IC from Infineon Technologies, part of the SupIRBuck series. It delivers an adjustable output voltage ranging from 0.5 V to 12 V with a maximum continuous output current of 10 A. The device operates within an input voltage range of 3 V to 26 V and supports a switching frequency up to 1 MHz. Designed for surface-mount installation in a 17-PowerVQFN package (5x6 mm), it functions across a junction temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power MOSFETs with a synchronous buck controller for efficient DC-DC conversion.
• Features a wide input voltage range supporting operation from 3 V to 26 V.
• Includes built-in protection mechanisms against over-current and thermal overload conditions.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for data processing systems
• Power supply stages for industrial equipment
• Telecommunications infrastructure power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized channels due to discontinuation status. Confirm moisture sensitivity level handling requirements during storage and assembly. Ensure compatibility with existing PCB footprint dimensions and thermal management strategies before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for high-current applications with wide input voltage variations. Consider the extended operating temperature range suitable for harsh environments. Evaluate thermal performance needs relative to the small PQFN package size and available board space constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SupIRBuck family of highly integrated power modules. It replaces older discrete solutions by combining control logic and power stages into a single compact package. The technology focuses on reducing component count and improving power density for modern electronic designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the same product line. Verify if newer generations offer improved efficiency or updated packaging options while maintaining functional equivalence.