The LT3573EMS is a versatile and high-performance integrated circuit designed by Linear Technology, a leader in the design and manufacturing of analog integrated circuits. This innovative product is a full-featured isolated flyback converter that does not require a third winding or opto-isolator for regulation. It is particularly well-suited for isolated applications due to its ability to perform well in a variety of conditions.

Key Features

• No Opto-Isolator Required: The LT3573EMS operates without the need for an opto-isolator, simplifying design and enhancing reliability.
• Integrated 1.25A Switch: With an onboard 1.25A, 60V power switch, the device can deliver up to several watts of output power, depending on the input voltage and transformer selection.
• Wide Input Voltage Range: The product supports a wide input range of 3V to 40V, making it flexible for use in various applications, from automotive to industrial systems.
• Adjustable Soft-Start Function: The soft-start function limits inrush current at startup, providing additional protection to the power supply and its load.

Applications

The LT3573EMS is ideal for a multitude of applications, including but not limited to:

• Isolated Telecom or Datacom Power Supplies
• Industrial Electrical Isolation
• Isolated Medical Equipment Power Supplies
• Isolated Automotive Power Supplies

Product Specifications

This product comes in a compact MSOP-16 package, which is suitable for space-constrained applications. Its operating temperature range is from -40°C to 125°C, ensuring performance across a wide range of environmental conditions. Additionally, the LT3573EMS features boundary mode operation, which provides a small magnetic solution with improved load regulation.

Conclusion

The LT3573EMS from Linear Technology stands out as a robust and reliable solution for designers who require an isolated power supply with minimal external components and straightforward implementation. Its combination of features and ease of use makes it an excellent choice for a wide range of isolated power conversion applications.