Linear Technology's LT3845AIFE#PBF High Voltage Synchronous Buck Controller

The LT3845AIFE#PBF is a robust and efficient synchronous buck controller designed by Linear Technology for demanding applications that require a high input voltage range. This controller is capable of stepping down voltages with a high level of efficiency, making it an ideal choice for a wide variety of power conversion applications such as automotive, industrial, and telecommunications systems.

Key Features

• Wide Input Voltage Range: The LT3845AIFE#PBF operates from a 4V to 60V input voltage range, accommodating a broad spectrum of power sources.
• Adjustable Operating Frequency: Users can set the operating frequency between 100kHz to 500kHz or synchronize it to an external clock, allowing for flexibility in design and optimization of the power supply.
• High Efficiency: With its synchronous rectification and a powerful 1.5A integrated gate driver, the LT3845AIFE#PBF ensures high efficiency across a wide range of load currents.
• Robust Protection Features: It includes overvoltage, undervoltage, overcurrent, and overtemperature protection, safeguarding the system under extreme conditions.
• No RSENSE™ Operation: The controller employs a current mode control scheme that allows for the elimination of a sense resistor, reducing system complexity and cost.

Applications

The versatility of the LT3845AIFE#PBF makes it suitable for a variety of applications, including:

• Automotive power systems
• Industrial power supplies
• Telecommunications infrastructure
• Distributed DC power systems

Package and Availability

The LT3845AIFE#PBF comes in a compact 16-lead TSSOP package with exposed pad for enhanced thermal performance. The package is RoHS compliant and designed for surface mount technology, ensuring ease of integration into modern PCB designs. As a product of Linear Technology, now part of Analog Devices, the LT3845AIFE#PBF is backed by a reputation for quality, performance, and support.

Whether you're designing a power supply for a rugged industrial environment or a sophisticated automotive system, the LT3845AIFE#PBF offers a combination of performance, efficiency, and reliability that can meet the needs of your application.