L6718TR

Special Purpose Regulators Overview

The L6718TR is a digitally controlled dual PWM controller designed for VR12 processor power delivery. It features up to four programmable phases for the core section with two embedded drivers, and one phase for the GFX section with an independent control loop. The device supports input voltages up to 12 V and operates within a temperature range of -40 °C to +125 °C. It utilizes a VFQFPN-56 package measuring 7x7 mm. Key electrical parameters include a maximum switching frequency of 550 kHz, a maximum supply current of 20 mA, and a maximum reverse current of -5 mA.

Special Purpose Regulators Feature Summary

• Digitally controlled architecture compliant with VR12 specifications and 25 MHz SVID bus rev. 1.5
• Integrated second-generation LTB Technology for minimal cost output filtering and fast load transient response
• Supports dynamic phase management (DPM) and voltage follower dynamic efficiency (VFDE) optimization
• Includes high-current embedded drivers optimized for 7 V operation with comprehensive protection mechanisms

Special Purpose Regulators Applications

• Powering Intel VR12 processors
• Core section power delivery systems
• GFX section power delivery systems

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized STMicroelectronics channels or certified distributors. Confirm the specific suffix matches the required tape and reel configuration for automated assembly processes. Ensure compliance with RoHS directives and check for any end-of-life notices or production change notifications prior to final design implementation.

Special Purpose Regulators Selection Notes

Select this component for applications requiring compact dual-controller solutions for processor power stages. Consider its digital programmability for flexible phase configuration and integrated driver capabilities. Evaluate thermal compensation requirements using the single NTC design feature and ensure compatibility with the target system's SMBus interface for power management.

Special Purpose Regulators Part Context

The L6718 belongs to STMicroelectronics' portfolio of digitally controlled power management ICs. It is part of the L6718 series, specifically engineered for high-efficiency voltage regulation in computing environments. The TR suffix indicates the component is supplied in a tape and reel format suitable for surface mount technology assembly lines.

Special Purpose Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.