LTC3868IUH#PBF - Dual Output Synchronous Step-Down DC/DC Controller

The LTC3868IUH#PBF is a high-performance, dual-channel synchronous step-down DC/DC controller manufactured by Linear Technology, designed to provide precise voltage regulation and high efficiency for power supply applications. This advanced controller is suitable for a wide range of applications, including telecommunications, networking equipment, industrial systems, and portable devices that require a compact and efficient power management solution.

Key Features:

• Wide Input Voltage Range: The device is capable of operating from an input voltage range of 4.5V to 38V, making it versatile for various supply voltages.
• Dual Output Channels: It features two output channels that can be set independently, providing flexibility in managing different voltage levels required by complex systems.
• High Efficiency: With its synchronous operation, the LTC3868IUH#PBF minimizes power loss due to switching, leading to high efficiency and reduced heat generation.
• Adjustable Switching Frequency: The switching frequency can be programmed from 250kHz to 770kHz or can be synchronized to an external clock for noise-sensitive applications.
• Current Mode Operation: Current mode control provides fast transient response and excellent loop stability.
• Integrated MOSFET Drivers: Built-in MOSFET drivers reduce external component count and simplify the design process.
• Robust Protection Features: It includes overvoltage, undervoltage, and overcurrent protection to ensure reliable operation under various conditions.

Package and Temperature Range:

The LTC3868IUH#PBF comes in a compact 32-lead QFN package with a 5mm x 5mm footprint, suitable for space-constrained applications. It is specified for operation from -40°C to 125°C, accommodating a broad range of temperature environments.

Applications:

• Point of Load Power Supplies
• Datacom and Telecom Systems
• Industrial Equipment
• Networking Equipment
• Portable Devices

Overall, the LTC3868IUH#PBF is an ideal solution for designers looking for a high-efficiency, dual-output power management controller that can handle a wide input voltage range and provide robust protection for their applications.