LT3500EMSE#TRPBF

Overview

The LT3500EMSE#TRPBF is a monolithic high-voltage LED driver designed for driving strings of LEDs from a wide input voltage range. It integrates a high-side current sense amplifier and operates with an input voltage range of 4.75V to 60V. The device supports constant current regulation with low dropout voltage, enabling efficient power delivery. It features a 1MHz switching frequency to allow the use of small external components. The EMSE package is a thermally enhanced MSOP-10, providing robust thermal performance for compact designs.

Feature Summary

• Integrates high-side current sensing for simplified design
• Supports wide input voltage range up to 60V
• Features fixed 1MHz switching frequency for compact passive components
• Includes thermal shutdown and overvoltage protection

Applications

• Automotive exterior lighting systems
• Industrial area lighting fixtures
• High-bay LED luminaires
• Street lighting applications

Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when ordering. Confirm the EMSE package variant matches your PCB footprint requirements. Ensure the operating temperature range aligns with your system's environmental conditions. Cross-reference the manufacturer's latest datasheet for any updates to pin configurations or electrical characteristics before finalizing procurement.

Selection Notes

Select this component when a wide input voltage range and high-side current sensing are required. Consider the thermal performance of the MSOP-10 package for your heat dissipation needs. Evaluate the 1MHz frequency against EMI constraints in your application. Compare efficiency metrics at your specific operating point against alternative drivers.

Part Context

This part belongs to Analog Devices' line of high-voltage LED drivers. It is designed for applications requiring reliable constant current regulation from varying input sources. The series typically includes variants with different packages and switching frequencies to suit diverse form factors and performance requirements.

Replacement Considerations

Check for direct pin-compatible alternatives within the same product family. Verify that substitute parts support the same input voltage range and current capabilities. Ensure thermal management solutions remain adequate if replacing with a different package type.