LT3470EFE – A Compact Step-Down Switching Regulator from Linear Technology

The LT3470EFE is a robust, high-efficiency, step-down switching regulator meticulously designed by Linear Technology to cater to a wide range of power supply applications. Its compact design and integrated features make it an ideal choice for space-constrained applications requiring a reliable power solution.

Key Features

• Integrated Boost and Catch Diodes: The LT3470EFE simplifies the design process by integrating the boost and catch diodes, reducing the external component count and saving on board space.
• Wide Input Voltage Range: With an operating input voltage range of 4V to 40V, the LT3470EFE is versatile and can accommodate a variety of supply voltages, making it suitable for both industrial and automotive applications.
• Adjustable Switching Frequency: The switching frequency is adjustable from 200kHz to 2.2MHz, allowing designers to optimize the regulator for efficiency or component size.
• Low Quiescent Current: It features a low quiescent current of only 26µA, which is ideal for battery-powered and energy-sensitive applications.
• Thermal Protection: The device includes thermal shutdown protection, safeguarding it from potential damage due to overheating.

Applications

The LT3470EFE is well-suited for a variety of applications, including but not limited to:

• Portable instruments
• Automotive power supplies
• Industrial power supplies
• Power for battery-operated devices

Package and Reliability

Encased in a thermally efficient TSSOP-16 package, the LT3470EFE is designed to optimize heat dissipation, ensuring reliable operation even in high-temperature environments. Its rugged construction and built-in protection features contribute to its excellent reliability and long service life.

With its combination of integration, efficiency, and versatility, the LT3470EFE from Linear Technology stands out as a high-performance solution for your power regulation needs. Whether it's for industrial machinery or portable gadgets, this switching regulator is engineered to deliver stable and efficient power conversion.