750311564

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750311564 is a flyback transformer designed for DC/DC converter applications, specifically optimized for Linear Technology chipsets including LT3573, LT3574, LT3575, and LT3748. It features a primary voltage range of 10 to 40V and an auxiliary voltage of 8V at 20mA. The component provides 1500Vrms isolation and operates at a frequency of 100kHz with an inductance of 9.07µH at 10kHz. It supports a current rating of 3A and functions within a temperature range of -40°C to 125°C. The device utilizes a surface mount package measuring 13.46mm x 17.75mm with a maximum height of 12.83mm.

Switching Converter, SMPS Transformers Feature Summary

• Designed for isolated power designs using specific Linear Technology controllers
• Provides high isolation voltage for safety-critical applications
• Optimized for surface mount assembly processes

Switching Converter, SMPS Transformers Applications

• Isolated power supply design
• Sensor interface circuits
• Isolated telecommunications equipment

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet version and packaging configuration (Tape & Reel or Cut Tape) prior to ordering. Confirm compatibility with the target LT357x or LT3748 controller variant. Ensure thermal management strategies align with the specified operating temperature range of -40°C to 125°C. Check for any recent Product Change Notifications regarding marking or packaging updates.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing isolated DC/DC converters requiring 1500Vrms isolation and operation with Linear Technology synchronous rectifier controllers. It is suitable for applications needing a compact SMD footprint with defined inductance characteristics at 100kHz. Consider the 10-40V primary voltage range and 3A current rating against system requirements.

Switching Converter, SMPS Transformers Part Context

This part belongs to the WE-FB series of flyback transformers from Würth Elektronik. It is engineered as a complete magnetic solution for specific integrated circuit families, reducing design complexity by providing pre-matched parameters for the associated controller chips.

Switching Converter, SMPS Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Direct replacement requires matching the specific inductance, isolation voltage, and physical dimensions while ensuring compatibility with the LT3573/LT3574/LT3575/LT3748 control logic.