IR3801AMTRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3801AMTRPBF is a single-phase synchronous buck converter from Infineon Technologies, designed for high-efficiency DC-DC conversion. It features an adjustable output voltage range of 0.6 V to 12 V and supports a maximum output current of 9 A. The device operates with a fixed switching frequency of 300 kHz and accepts an input voltage between 2.5 V and 21 V. It utilizes a PQFN package and functions within a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for improved efficiency in step-down applications
• Provides adjustable output voltage control via external resistor network
• Supports wide input voltage range suitable for various power rails

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for digital logic circuits
• Power supply stages for embedded systems
• Voltage conversion for communication equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and humidity sensitivity handling requirements prior to assembly. Ensure storage conditions meet specified limits to prevent moisture-induced damage during reflow soldering processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, single-phase solution is required for currents up to 9 A. Consider the fixed 300 kHz switching frequency for EMI management and filter size optimization. Evaluate thermal performance based on PCB copper area and ambient operating conditions to ensure reliability within the specified temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to Infineon's PMIC voltage regulator family, specifically optimized for synchronous buck topologies. It serves as a standalone controller integrated with power MOSFETs, eliminating the need for external gate drivers. The design targets space-constrained applications requiring efficient power delivery.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official Infineon documentation for verified cross-reference part numbers. Ensure any substitute matches the PQFN package dimensions, pinout configuration, and electrical specifications such as input/output voltage ranges and current capabilities.