AL1676-30AS7-13

Overview

The AL1676-30AS7-13 is a single-output LED lighting driver IC from Diodes Incorporated, designed for offline switcher applications. It operates as a step-down (buck) converter with a fixed switching frequency of 200 kHz. The device supports an input voltage range of 85 VAC to 277 VAC and delivers a constant output current of 3 A. It is housed in a 7-SO package and functions within a temperature range of -40°C to +105°C.

Feature Summary

• Integrated constant current control for stable LED driving
• Built-in short circuit and thermal protection mechanisms
• Supports dimming functionality for light control applications

Applications

• Offline AC-DC LED lighting systems
• General illumination drivers
• Power management for LED arrays

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance and package integrity upon receipt. Cross-reference datasheet revisions to ensure compatibility with existing designs. Check for alternative sources if immediate availability is required.

Selection Notes

Select this component for high-power LED applications requiring buck topology. Ensure input voltage matches the 85-277 VAC range. Verify thermal management capabilities for the 7-SO package. Consider the 3A output current limit when designing the LED string configuration.

Part Context

This part belongs to the AL1676 series of LED drivers by Diodes Incorporated. It is specifically tailored for offline power supplies where efficiency and reliability are critical. The series includes variants with different current ratings and packaging options.

Replacement Considerations

Check for direct pin-compatible substitutes within the same manufacturer's portfolio. Evaluate similar buck-type LED drivers from other vendors if sourcing is difficult. Ensure electrical parameters match or exceed original specifications.