The LTC1873EG#TRPBF is a high-performance, dual current mode synchronous step-down switching regulator controller from Linear Technology. Designed to deliver precision voltage regulation and optimal power efficiency, this controller is ideal for a broad range of applications, including telecommunications, networking equipment, and portable devices.

Key Features

• Wide Input Voltage Range: Capable of handling input voltages from 4V to 36V, the LTC1873EG#TRPBF is versatile and can accommodate a variety of power sources.
• Output Voltage Range: The output voltage can be set from 0.8V to as high as the input voltage, allowing for a wide range of output options to suit specific needs.
• High Efficiency: The synchronous operation provides efficiency up to 95%, reducing heat generation and improving system reliability.
• Dual Channel: Two independent channels enable the controller to manage dual outputs, simplifying design and reducing component count in multi-rail systems.
• Adjustable Switching Frequency: The switching frequency can be programmed from 200kHz to 500kHz or synchronized to an external clock, giving designers flexibility to optimize for efficiency or component size.
• No RSENSE™ Operation: Eliminates the need for a current sense resistor, reducing board space and cost while improving efficiency.
• Thermal Protection: Built-in over-temperature protection safeguards the device against excessive heat conditions.

Applications

The LTC1873EG#TRPBF's robust feature set makes it suitable for a variety of applications, including:

• Point of Load (POL) power supplies
• Distributed Power Systems
• DSL and Cable Modems
• Network Servers and Routers
• Portable Electronic Devices

Quality and Reliability

Linear Technology is known for its commitment to quality, and the LTC1873EG#TRPBF is no exception. It is available in a 24-lead SSOP package and has an operating temperature range of -40°C to 85°C, ensuring performance in a wide range of environmental conditions. The device is RoHS compliant, adhering to environmental standards.

Ordering Information

The part number LTC1873EG#TRPBF is provided in tape and reel packaging for automated assembly processes, facilitating efficient manufacturing and handling.