The LT3428EDD from Linear Technology is a versatile, high-performance boost and Single-Ended Primary-Inductor Converter (SEPIC) that is designed to cater to a wide array of applications requiring efficient voltage conversion. With its ability to generate a boosted output from an input voltage ranging from 3V to 40V, the LT3428EDD stands out as a reliable solution for systems that demand a stable power supply even under varying input conditions.

Key Features:

• Wide Input Voltage Range: The device operates from an input voltage of 3V to 40V, making it suitable for applications with fluctuating power sources or those that need to step up from a low voltage.
• Adjustable Switching Frequency: Users can adjust the switching frequency from 100kHz to 2MHz via an external resistor, allowing for flexibility in component selection and optimization of efficiency.
• Integrated Soft-Start Function: The soft-start feature limits inrush current during startup, providing a smooth transition to the steady state and protecting the device from stress.
• Robust Thermal Performance: Enclosed in a thermally efficient DFN package, the LT3428EDD ensures reliable operation even at higher temperatures, making it ideal for space-constrained and thermally challenging environments.

Applications:

• Automotive and Industrial Systems
• Telecommunications Power Supplies
• Battery-Powered Equipment
• Power Over Ethernet (PoE) Devices
• Portable Electronics

The LT3428EDD is equipped with a range of protection features, including overvoltage protection, thermal shutdown, and frequency foldback, which enhance the safety and reliability of the end application. Its ability to maintain stable operation over a wide temperature range, coupled with a compact DFN package, makes it an excellent choice for designers looking to create efficient, space-saving power solutions.

Whether it's for stepping up voltage in a battery-powered device or providing a stable power supply in an industrial setting, the LT3428EDD from Linear Technology is engineered to deliver performance, efficiency, and reliability.