LT8357HMSE#TRPBF

Overview

The LT8357HMSE#TRPBF is a wide input range, current mode DC/DC controller manufactured by Analog Devices Inc. It supports boost, SEPIC, and flyback converter configurations with a maximum input voltage of 60V and a switching frequency of 2MHz. The device features low quiescent current for efficient power management in isolated applications.

Feature Summary

• Supports multiple topology configurations including boost, SEPIC, and flyback converters
• Integrated isolation barrier for safe high-voltage operation
• Optimized for low quiescent current to enhance system efficiency

Applications

• Isolated power supplies for industrial equipment
• Flyback converters for output powers under 50W
• SEPIC topologies for variable input voltage sources
• Boost converters requiring wide input ranges

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the manufacturer is Analog Devices Inc. Ensure the component matches the 60V rating and 2MHz frequency specifications required for your design. Check availability status as restricted supply may apply.

Selection Notes

Select this controller for designs requiring isolated conversion with wide input voltage flexibility. Consider the 60V maximum rating and 2MHz switching frequency against thermal and EMI constraints. Evaluate the low IQ benefit for battery or energy-sensitive applications compared to standard controllers.

Part Context

This component belongs to the LT8357 series of switching controllers from Analog Devices. It is designed for applications needing robust isolation and flexible topology support. The HMSE package denotes the specific surface mount configuration used for this variant.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing transformer and external MOSFET selections if replacing similar controllers.