The LT1940EFE#TRPBF is a versatile dual DC/DC converter designed and manufactured by Linear Technology, an industry leader in high-performance analog integrated circuits. This component is engineered to cater to a broad range of applications, including telecommunications, portable devices, and industrial systems, where efficient power conversion with minimal space is essential.

Key Features:

• Wide Input Voltage Range: The device operates from an input voltage range of 2.6V to 16V, making it suitable for single-cell Li-Ion, multi-cell alkaline, or NiMH applications, as well as fixed 3.3V, 5V, and 12V systems.
• Independent Dual Outputs: It features two independent output channels with switch currents of 1.4A and 1.8A, respectively. This allows for flexible configurations to generate two separate supply voltages critical for various subsystems within electronic devices.
• High Efficiency: The LT1940EFE#TRPBF offers high efficiency, which can reach up to 94%, reducing power loss and improving overall system performance.
• Adjustable Switching Frequency: Users can adjust the switching frequency from 300kHz to 2.2MHz, providing a trade-off between efficiency and component size. This frequency adjustability allows for optimization of the converter to meet specific application requirements.
• Thermal Protection: The device includes thermal shutdown protection to safeguard the system from overheating, enhancing reliability and longevity.
• Low Shutdown Current: It has a low shutdown current of under 1µA, which is crucial for battery-powered applications where conserving power is paramount.

Applications:

The LT1940EFE#TRPBF is ideal for a variety of applications, including:

• Portable and battery-powered electronics
• Telecommunications infrastructure
• Distributed power systems
• Industrial controls

Package and Availability:

This dual DC/DC converter is available in a 16-lead TSSOP package with an exposed pad for enhanced thermal performance. The LT1940EFE#TRPBF is designed to meet the rigorous standards of the industry, ensuring reliability and performance in even the most demanding applications.