IR3820MTR1PBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3820MTR1PBF is a discontinued synchronous buck switching regulator IC from Infineon Technologies, part of the SupIRBuck series. It delivers an adjustable output voltage ranging from 0.6V to 12V with a maximum continuous output current of 12A. The device operates within an input voltage range of 2.5V to 21V and supports a fixed switching frequency of 600kHz. It features a single positive output configuration and is housed in a 15-PowerVQFN (PQFN 5x6) surface-mount package. The component is rated for junction temperatures between -40°C and 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power MOSFETs for synchronous rectification
• Utilizes constant on-time control architecture for fast transient response
• Includes internal bias LDO for simplified external component requirements

Voltage Regulators - DC DC Switching Regulators Applications

• Data processing systems
• Industrial equipment power distribution
• Telecommunications infrastructure

Voltage Regulators - DC DC Switching Regulators Procurement Notes

This component has been officially declared obsolete by the manufacturer. Verification of availability requires checking authorized distributors for remaining stock or evaluating parameter-equivalent replacement parts. Ensure that any substitute component matches the original electrical specifications and thermal performance requirements before integration into existing designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Designers should consider the IR3810MTRPBF as a verified parameter-equivalent alternative. Selection criteria must account for the discontinuation status and verify compatibility with existing PCB footprints and thermal management solutions. Confirm that the replacement maintains the required 12A output capability and input voltage range for the specific application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

The IR3820 belongs to the SupIRBuck family of integrated power stages designed for compact DC-DC conversion. This series emphasizes high power density through the integration of controller logic and power switches. The 12A rating positions it for mid-range load applications requiring efficient step-down regulation from standard bus voltages.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The IR3810MTRPBF is documented as a parameter-equivalent substitute.