AL5809-50S1-7

Overview

The AL5809-50S1-7 is a two-terminal constant current LED driver IC from Diodes Incorporated, designed for high-voltage applications. It operates with an input voltage range of 2.5 V to 60 V and delivers a fixed output current of 50 mA. The device supports PWM dimming for brightness control and functions within a temperature range of -40°C to +125°C. Packaged in the SOD-123 surface-mount format, it integrates high-voltage switching capabilities suitable for direct AC/DC line connections.

Feature Summary

• Two-terminal architecture enabling simplified circuit design without external components
• Integrated high-voltage switch supporting direct connection to AC or DC lines
• Supports pulse-width modulation (PWM) dimming for precise light intensity adjustment

Applications

• General LED lighting fixtures
• High-voltage LED string drivers
• AC/DC powered illumination systems

Procurement Notes

Verify the specific suffix 'S1' against official Diodes Incorporated documentation to confirm the 50 mA current rating and SOD-123 package type. Ensure compatibility with the target application's thermal requirements and input voltage specifications before integration.

Selection Notes

Select this component for designs requiring a compact, two-terminal solution for driving LED strings from high-voltage sources. The SOD-123 package suits space-constrained layouts, while the wide operating temperature range ensures reliability in varied environmental conditions.

Part Context

This part belongs to the AL5809 series of two-terminal constant current LED drivers. The series offers various fixed current options and packaging variants to accommodate different LED load requirements and board space constraints within general lighting applications.

Replacement Considerations

Consult official substitution lists for equivalent two-terminal LED drivers with matching 50 mA output and SOD-123 packaging. Verify pinout compatibility and electrical parameters before replacing.