UCD74111RVFT

Voltage Regulators - DC DC Switching Regulators Overview

The UCD74111RVFT is a high-current synchronous buck power stage manufactured by Texas Instruments. It operates with an input voltage range of 4.7 V to 14 V and delivers up to 15 A of output current through a single positive output channel. The device supports a switching frequency of 2 MHz and provides an adjustable output voltage up to 6.8 V. Designed for robust performance, it functions within a junction temperature range of -40°C to +125°C. The component is housed in a 40-LQFN clip lead package (7x5 mm) and features a typical quiescent current of 8 mA.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous buck power stage designed for high-current applications
• Supports fixed or programmable switching frequencies up to 2 MHz
• Includes thermal foldback protection to manage heat under heavy loads

Voltage Regulators - DC DC Switching Regulators Applications

• Central processing unit (CPU) core voltage regulation
• Graphics processing unit (GPU) power delivery
• High-performance server and storage controller power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'RVFT' corresponds to the required reel quantity and tape-and-reel packaging configuration. Confirm that the 40-LQFN clip lead footprint matches the target PCB layout dimensions. Ensure compatibility with the intended switching frequency settings and control interface requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, high-efficiency solution is required for delivering 15 A from a 4.7 V to 14 V input rail. Consider the 40-LQFN package size constraints and thermal dissipation capabilities relative to the application's airflow conditions. Validate that the control logic aligns with the device's PWM/PFM mode selection and enable pin configurations.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the UCD74111 series of integrated power stages from Texas Instruments. These devices are engineered to simplify power supply design by combining high-side and low-side drivers with MOSFETs in a single package. The series targets demanding digital load applications requiring fast transient response and high efficiency across varying load currents.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official Texas Instruments documentation for verified cross-reference part numbers. Ensure any substitute maintains identical pinout, thermal characteristics, and electrical specifications.