Product Overview: Linear Technology's LT3473EDE

The LT3473EDE is a highly versatile, micropower step-up DC/DC converter designed by Linear Technology, a leader in the design and manufacturing of high-performance analog integrated circuits. This compact and efficient converter is ideal for battery-powered applications due to its low quiescent current and integrated features.

Key Features

• Adjustable Output Voltage: The LT3473EDE provides an adjustable output voltage that can be set with a single external resistor, offering design flexibility for various applications.
• Integrated Schottky Diode: It incorporates an internal 0.5A, 40V Schottky diode, which simplifies the design and reduces external component count.
• Wide Input Voltage Range: The device operates over a wide input voltage range from 2.8V to 16V, accommodating multiple power sources including single-cell Li-Ion batteries.
• High Efficiency: With its internal 1.1A switch, the LT3473EDE can deliver efficiencies up to 85%, ensuring optimal power usage and extended battery life.
• Tiny Footprint: The converter is packaged in a compact 12-lead low profile (0.75mm) 4mm × 3mm DFN package, making it suitable for space-constrained applications.
• Low Shutdown Current: The shutdown current is less than 1µA, which minimizes power drain when the device is not in operation.

Applications

The LT3473EDE is an excellent choice for a variety of applications, including:

• Portable Lighting
• GPS Receivers
• Medical Diagnostic Equipment
• Wireless Transmitters
• Handheld Computers
• Small LCD Displays

Performance and Reliability

Linear Technology ensures that the LT3473EDE meets the highest standards of performance and reliability. The device features thermal shutdown and current limiting to protect against over-temperature and over-current conditions. Its stable operation over temperature variations and load changes makes it a reliable choice for critical applications.

In summary, the LT3473EDE from Linear Technology is a powerful, efficient, and space-saving step-up DC/DC converter that provides a flexible solution for portable and battery-powered systems, where long battery life and compact size are of paramount importance.