IR3802MTRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3802MTRPBF is a high-efficiency synchronous step-down DC-DC converter manufactured by Infineon Technologies. It delivers up to 4 A of output current with an adjustable output voltage range from 0.6 V to 18.375 V. The device operates with an input voltage range of 4.5 V to 21 V and supports switching frequencies between 225 kHz and 1.65 MHz. Packaged in a compact 14-pin QFN, it integrates internal bias LDOs and offers precise regulation with 0.5% accuracy.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous buck topology for high efficiency
• Includes internal bias LDO for simplified design
• Supports programmable switching frequency
• Provides precise voltage regulation

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load (POL) power supplies
• Industrial equipment power distribution
• Telecommunications infrastructure
• Computing and data processing systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix MTRPBF to confirm reel packaging and tape-and-reel quantity specifications. Ensure compatibility with moisture sensitivity levels and reflow soldering profiles during assembly. Confirm end-of-life status or obsolescence notices if sourcing for long-term production runs. Cross-reference pinouts with official datasheets to prevent integration errors.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for space-constrained designs requiring a compact 14-pin QFN package. It is suitable for applications needing up to 4 A continuous current with high efficiency. Consider the wide input voltage range for flexibility in various supply rails. Evaluate thermal performance requirements given the small form factor.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to Infineon's SupIRBuck family of integrated power stages. It combines the controller, drivers, and MOSFETs into a single solution. This integration reduces external component count and simplifies layout compared to discrete solutions. The series targets high-density power conversion needs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the same SupIRBuck family. Verify that substitute parts match the 4 A current rating and 21 V maximum input voltage. Ensure equivalent switching frequency ranges and package dimensions are maintained.