IR3823AMTRPBFAUMA1

Voltage Regulators - DC DC Switching Regulators Overview

The IR3823AMTRPBFAUMA1 is a single-phase synchronous buck switching regulator IC from Infineon Technologies. It delivers an adjustable output voltage ranging from 0.5V to 5V with a maximum continuous output current of 3A. The device operates within an input voltage range of 2.5V to 14V and supports a fixed switching frequency of 800kHz. It utilizes the EaSy COT control topology for fast transient response. The component is housed in a compact 19-pin IQFN package, designed for surface-mount installation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power MOSFETs with an EaSy COT control architecture for efficient step-down conversion.
• Provides precise output voltage regulation via external resistor divider or internal reference settings.
• Includes comprehensive protection features such as over-current protection, thermal shutdown, and undervoltage lockout.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load (POL) voltage regulation for embedded systems
• Power supply stages for industrial equipment controllers
• Voltage conversion for communication infrastructure modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes against official Infineon documentation to ensure correct package and temperature grade specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement. Check for end-of-life notices or recommended replacement alternatives if available in current product portfolios.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for moderate current applications up to 3A. Ensure the input voltage range aligns with the system's power rail availability. Consider the 800kHz switching frequency regarding electromagnetic interference constraints and external component selection for optimal efficiency and thermal performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the SupIRBuck family of integrated power stages. It combines controller logic and power switches into a single small footprint, reducing the overall solution size compared to discrete designs. The series targets applications requiring high density and reliable DC-DC conversion in space-constrained environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include the IR3823MTRPBF and IR3823MTR1PBF. Verify pin compatibility and electrical specifications before substitution.