The LTC3851IUD#PBF is a high-performance synchronous step-down switching regulator controller designed and manufactured by Linear Technology. This advanced regulator controller is engineered to drive all N-channel power MOSFET stages in a point-of-load regulator configuration, providing a compact and efficient power management solution for a wide range of applications.

Key Features

• Wide Input Voltage Range: The LTC3851IUD#PBF operates from a 4.5V to 38V input supply, making it suitable for a variety of input sources, including automotive batteries and industrial supplies.
• Output Voltage Range: It can produce an output voltage ranging from 0.8V to 24V, which is adjustable via an external voltage divider, catering to a broad spectrum of applications.
• High Efficiency: The device features a powerful 1.1Ω on-chip gate drivers, optimizing it for high-efficiency operation when paired with low RDS(ON) MOSFETs.
• Adjustable Switching Frequency: Users can set the switching frequency anywhere from 250kHz to 2.25MHz through an external resistor or synchronize it to an external clock.
• Robust Protection Features: Includes overvoltage, undervoltage, and overcurrent protection, safeguarding the system against a variety of fault conditions.

Applications

The LTC3851IUD#PBF is ideal for a range of applications, including:

• Telecommunications Infrastructure
• Automotive Power Systems
• Industrial Equipment
• Datacom and Storage Systems
• High-Density Distributed Power Systems

Quality and Reliability

Linear Technology ensures that the LTC3851IUD#PBF meets the highest quality and reliability standards. The device is available in a 20-lead QFN package and is specified over the -40°C to 125°C operating junction temperature range, making it a robust choice for demanding environments.

Ordering Information

The LTC3851IUD#PBF part number designates the QFN package with the high-temperature performance. For specific ordering and part number information, please refer to the manufacturer's datasheet and product resources.