The LTC3860IUH from Linear Technology is a high-performance, dual, multiphase synchronous step-down voltage mode DC/DC controller designed to accurately regulate output voltages and provide efficient power conversion in a compact package. This versatile controller is ideal for a wide range of applications, including computing systems, telecommunications equipment, and industrial power systems.

Key Features:

• Voltage Mode Control: The LTC3860IUH employs voltage mode control with fast transient response, ensuring precise output voltage regulation.
• Wide Input Voltage Range: It operates with an input voltage range from 4.5V to 38V, making it suitable for a variety of supply sources.
• Adjustable Output Voltage: The output voltage is adjustable from 0.6V to 14V, providing flexibility for different application requirements.
• Dual, Multiphase Operation: This controller supports dual, multiphase operation which reduces input and output ripple and allows for the use of smaller, lower-cost capacitors and inductors.
• Current Mode Synchronization: It features up to 12-phase operation with the ability to synchronize up to six controllers for a 12-phase operation, ensuring balanced current distribution and thermal management.
• Programmable Phase-Lock-Loop (PLL): The integrated PLL allows for programmable frequency synchronization from 75kHz to 850kHz or fixed frequency operation.
• Differential Output Voltage Sensing: Differential output voltage sensing allows for accurate remote voltage sensing, compensating for voltage drops due to PCB traces and connectors.
• Robust Protection Features: The LTC3860IUH includes overvoltage, undervoltage, and overcurrent protection, enhancing system reliability.

Package and Availability:

The LTC3860IUH is available in a compact 32-lead 5mm × 5mm QFN package, which is suitable for space-constrained applications. It is also specified for operation from -40°C to 125°C, ensuring reliable performance in a wide range of environments.

Applications:

• High-Density Distributed Power Systems
• Telecommunication and Data Communication Equipment
• Industrial Power Supplies
• Computing Systems