AL1676-20AS7-13

LED Driver IC Overview

The AL1676-20AS7-13 is an offline LED driver IC from Diodes Incorporated, designed for high-efficiency power supply in LED lighting applications. It features a Buck topology with one output channel capable of delivering up to 2 A constant current. The device operates within an input voltage range of 85 VAC to 277 VAC and supports a maximum output voltage of 650 V. Operating at a fixed frequency of 200 kHz, it integrates short circuit and thermal protection mechanisms. Packaged in an SO-7 surface-mount format, it functions reliably across temperatures from -40°C to +105°C.

LED Driver IC Feature Summary

• Provides constant current regulation for single-channel LED loads
• Integrates hardware-based short circuit and thermal protection
• Supports dimming control capabilities for brightness adjustment

LED Driver IC Applications

• General LED lighting systems
• Display backlighting units
• Indicator control circuits

LED Driver IC Procurement Notes

Verify component authenticity through authorized Diodes Incorporated channels or certified distributors. Confirm RoHS compliance status via official documentation. Check for end-of-life notifications as discontinuation may affect long-term availability. Ensure the SO-7 package variant matches design requirements before procurement.

LED Driver IC Selection Notes

Select this component for designs requiring a single-channel buck converter solution for AC mains-powered LEDs. Verify that the 2 A output current meets load requirements. Ensure the PCB layout accommodates the SO-7 package dimensions. Confirm compatibility with required dimming interfaces and operating temperature ranges specified in the datasheet.

LED Driver IC Part Context

Part of the AL1676 series, which includes variants like AL1676-40DS7-13 offering higher current ratings. This specific model targets mid-power LED applications where compact SO-7 packaging and integrated protection features are prioritized over multi-channel outputs.

LED Driver IC Replacement Considerations

AL1676-40DS7-13 offers similar functionality with increased output current capacity. Verify pinout compatibility and thermal performance differences when substituting.