AL1676-40DS7-13

Overview

The AL1676-40DS7-13 is a universal high power factor buck LED driver IC manufactured by Diodes Incorporated. It operates as an offline switcher with a single constant current output capable of delivering up to 4 A. The device supports an input voltage range from 85 VAC to 277 VAC and can handle output voltages up to 650 V. Operating at a frequency of 200 kHz, it integrates short circuit and thermal protection mechanisms. The component is housed in a SO-7 surface-mount package and functions within a temperature range of -40°C to +105°C.

Feature Summary

• Integrates short circuit and thermal protection for enhanced operational safety
• Provides constant current regulation for LED lighting applications
• Supports universal AC input voltage ranges for global compatibility

Applications

• LED lighting drivers
• Offline buck converter circuits
• High power factor LED illumination systems

Procurement Notes

Verify the current lifecycle status before procurement, as official documentation indicates this specific part number may be subject to obsolescence or discontinuation notices. Confirm availability through authorized distributors, as stock levels fluctuate. Ensure the ordering suffix matches the required packaging format. Cross-reference the latest datasheet revision to confirm pinout and electrical specifications remain unchanged prior to finalizing orders.

Selection Notes

Select this component for designs requiring a single-output buck topology with integrated power factor correction capabilities. The SO-7 package suits space-constrained surface-mount applications. Evaluate the 4 A output current limit against load requirements. Consider the operating temperature range for environmental suitability. Verify that the 200 kHz switching frequency aligns with electromagnetic interference constraints in the target design.

Part Context

This part belongs to the AL1676 series of LED drivers from Diodes Incorporated. The series focuses on offline buck conversion for LED applications. The specific model denotes the SO-7 package variant. Other variants in the family may differ in package type or specific electrical ratings. The manufacturer provides dedicated datasheets detailing the technical characteristics of this driver family.

Replacement Considerations

Official Product Change Notifications indicate potential obsolescence for this specific part number. Check for updated replacement components recommended by Diodes Incorporated. Verify functional equivalence if substituting with other models in the AL1676 series or alternative manufacturers' offerings. Ensure pin compatibility and electrical parameters match the original design requirements.