IR3870MTRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3870MTRPBF is a synchronous buck switching regulator IC from Infineon Technologies, part of the SupIRBuck series. It delivers up to 10A output current with an adjustable voltage range from 0.5V to 12V. The device operates with an input voltage between 3V and 26V and supports switching frequencies up to 1MHz. Housed in a compact 16-PowerVQFN package (5x6mm), it functions within 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 for efficient synchronous rectification
• Features adjustable switching frequency to optimize external component size and efficiency
• Includes comprehensive protection mechanisms such as over-current and thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for data processing systems
• Industrial equipment power distribution
• Communication infrastructure power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix and tape-and-reel quantity against the manufacturer's latest datasheet before ordering. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Ensure the supplier provides valid traceability documentation for this discontinued component.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-phase, high-efficiency solution is required for moderate current loads up to 10A. The wide input voltage range suits applications with varying supply rails. Consider the thermal performance of the PowerVQFN package relative to your PCB copper area and ambient conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SupIRBuck family of integrated power stages designed for compact DC-DC conversion. It replaces discrete solutions by combining controller logic with power switches in a small footprint. The IR3870 variant specifically targets applications requiring higher current density than lower-amperage counterparts.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The IR3870MTRPBF is listed as obsolete or end-of-life. Verify if the IR3870MBF or other compatible variants are available as direct replacements. Check pinout compatibility and electrical specifications before substituting.