IRS2540STRPBF

Overview

The IRS2540STRPBF is a single-output LED lighting driver IC manufactured by Infineon Technologies. It utilizes a Buck topology and operates with an input voltage range of 8 V to 16.6 V. The device supports an output current of 500 mA and functions at a switching frequency of 500 kHz. It features adjustable output voltage and PWM dimming capabilities. The component is housed in an SOIC-8 surface-mount package and is rated for operation between -25°C and +125°C.

Feature Summary

• Integrates a half-bridge driver with a buck regulator for LED applications
• Supports pulse-width modulation (PWM) dimming control
• Features adjustable output voltage regulation

Applications

• LED lighting driver circuits
• Constant current LED power supplies
• Buck converter based LED illumination systems

Procurement Notes

Verify the specific suffix 'STRPBF' against official Infineon documentation to confirm reel packaging and moisture sensitivity class. Ensure the component meets required RoHS compliance standards for the target market. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before procurement.

Selection Notes

Select this component for designs requiring a combined gate driver and buck regulator in a compact SOIC-8 footprint. Verify that the input voltage stays within the 8 V to 16.6 V range. Confirm that the 500 mA output current aligns with the LED load requirements. Check thermal dissipation limits given the 625 mW power dissipation rating.

Part Context

This part belongs to Infineon's portfolio of LED lighting driver ICs. It combines power management and gate driving functions into a single integrated circuit. The device is designed to simplify the design of efficient LED drivers by integrating necessary control logic and power stages.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.