IR2521DSTRPBF

Lighting, Ballast Controllers Overview

The IR2521DSTRPBF is an adaptive ballast controller manufactured by Infineon Technologies, designed for lighting applications. It operates within a supply voltage range of 10 V to 20 V and utilizes an 8-SOIC surface-mount package. The device integrates control logic for managing lamp ignition and operation in fluorescent lighting systems. Key electrical characteristics include a maximum power dissipation of 625 mW and a low operating supply current. It supports CMOS and TTL logic inputs, ensuring compatibility with standard digital control interfaces. The component is rated for operation across a temperature range from -40°C to +125°C, providing robust performance in various environmental conditions.

Lighting, Ballast Controllers Feature Summary

• Adaptive control architecture for optimized ballast performance
• Integrated ignition and steady-state operation management
• Compatible with standard CMOS and TTL logic levels

Lighting, Ballast Controllers Applications

• Fluorescent lamp ballast controllers
• Lighting system power management
• Compact fluorescent lamp (CFL) drivers

Lighting, Ballast Controllers Procurement Notes

Verify the specific suffix 'D' against the manufacturer's latest documentation to confirm pinout and functional specifications, as suffixes often denote package variations or revision changes. Confirm RoHS compliance status through official datasheets before integration. Ensure the 8-SOIC footprint matches the PCB design requirements. Check for end-of-life notices or obsolescence warnings directly from Infineon, as this part may have limited availability compared to newer generations.

Lighting, Ballast Controllers Selection Notes

Select this component when designing adaptive ballast circuits requiring integrated control for fluorescent lamps. It is suitable for applications needing a compact solution with low standby current. Consider the 8-SOIC package constraints for thermal management, given the 625 mW power dissipation rating. Evaluate the 10 V to 20 V supply range against the available system voltage rails. Compare against newer Infineon series if higher efficiency or additional protection features are required.

Lighting, Ballast Controllers Part Context

This part belongs to Infineon's family of lighting and ballast controllers. It is specifically engineered for driving fluorescent lamps with adaptive control algorithms. The device simplifies ballast design by integrating necessary control functions into a single IC. It is distinct from gate driver families like the IR21xx series, focusing instead on lamp regulation rather than high-side/low-side switching.

Lighting, Ballast Controllers Replacement Considerations

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