IR3800MTRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3800MTRPBF is a single-output synchronous step-down switching regulator IC from Infineon Technologies. It operates with an input voltage range of 2.5V to 16V and provides an adjustable output voltage between 0.6V and 12V. The device supports a maximum output current of 10A and utilizes a fixed switching frequency of 600kHz. It is housed in a compact 15-pin PowerVQFN package measuring 5mm by 6mm. The component is rated for junction temperatures ranging from -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power MOSFETs with a control circuit for efficient synchronous rectification.
• Utilizes Fast Constant On-Time (COT) architecture to ensure rapid transient response and stable operation.
• Includes comprehensive protection features such as over-current protection, thermal shutdown, and undervoltage lockout.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for central processing units (CPUs)
• Graphics processing unit (GPU) power delivery
• Memory subsystem power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering suffix to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status and material content declarations prior to integration. Check for end-of-life notifications or obsolescence warnings, as this part may be discontinued. Ensure compatibility with existing bill of materials regarding pin assignments and thermal requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, high-current buck solution is required for space-constrained designs. The integrated power stage simplifies layout compared to discrete controller solutions. Consider the 600kHz switching frequency for balancing efficiency and passive component size. Verify that the load current requirements do not exceed the 10A continuous limit under all operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the SupIRBuck family of integrated power stages. It combines the controller and power switches into a single monolithic IC to reduce solution footprint. The design targets high-density power applications where board space is limited. It serves as a direct replacement for older discrete buck converter implementations in modern electronic systems.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The IR3810MTRPBF is listed as a parametric equivalent substitute. Verify pin compatibility and electrical specifications before substitution. Note that the IR3800MTRPBF is marked as obsolete in available distributor records.