The LT3845IFE is a high-performance, step-down switching regulator controller from Linear Technology, designed to manage power in a wide array of applications. This robust component is engineered to provide precise voltage regulation, while its advanced features make it an ideal choice for demanding environments.

Key Features

• Wide Input Voltage Range: The LT3845IFE operates over a broad input voltage range of 4V to 60V, making it versatile for various applications, from automotive to industrial systems.
• Adjustable Operating Frequency: Users can set the operating frequency anywhere from 100kHz to 500kHz, or it can be synchronized to an external clock within the same range, providing design flexibility.
• Powerful Output: This controller can deliver output voltages as low as 0.8V, allowing it to power the latest generation of low-voltage microprocessors and DSPs.
• No RSENSE™ Operation: The LT3845IFE features Linear Technology's No RSENSE™ technology, eliminating the need for an external sense resistor and reducing system complexity and cost.
• Integrated Features: It includes a precision 1.235V reference, a pre-programmed soft-start function to limit inrush current during startup, and a power good flag for output voltage monitoring.

Applications

The LT3845IFE's rugged design and flexible features make it suitable for a wide range of applications, including but not limited to:

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

Quality and Reliability

Linear Technology is renowned for its commitment to quality, and the LT3845IFE is no exception. It is offered in a thermally enhanced TSSOP-20 package, ensuring reliable operation even under high-temperature conditions typical of industrial and automotive environments.

With its comprehensive feature set and robust design, the LT3845IFE from Linear Technology stands out as a sophisticated solution for efficient power management in complex electronic systems.