AL5809-20P1-7

Overview

The AL5809-20P1-7 is a linear LED driver IC from Diodes Incorporated, designed for constant current regulation in lighting applications. It operates with an input voltage range of 2.5 V to 60 V and delivers a fixed output current of 20 mA. The device supports PWM dimming functionality and features a maximum operating frequency between 100 Hz and 200 Hz. It is housed in a PowerDI-123-2 surface-mount package and is qualified under the AEC-Q100 standard for automotive reliability. The component functions within a temperature range of -40°C to +85°C.

Feature Summary

• Supports pulse-width modulation (PWM) dimming for precise light control
• Provides stable constant current regulation for single-channel LED loads
• Automotive-grade qualification ensures reliability in demanding environments

Applications

• Automotive interior and exterior lighting systems
• General-purpose LED indicator circuits
• Low-power LED illumination modules

Procurement Notes

Verify the specific suffix P1-7 against official Diodes Incorporated documentation to confirm package type and tape-and-reel specifications. Ensure the selected variant meets the required AEC-Q100 automotive qualification standards if used in vehicle applications. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and avoid counterfeit components during sourcing.

Selection Notes

Select this component when a fixed 20 mA drive current is required for low-power LED applications. The wide input voltage range allows compatibility with various supply rails up to 60 V. Consider the PowerDI-123-2 package for compact board layouts. Verify that the -40°C to +85°C operating temperature range aligns with the thermal requirements of the target environment.

Part Context

This part belongs to the AL5809 series of linear LED drivers from Diodes Incorporated. The series offers various fixed current options, including 20 mA, 25 mA, and higher values, all sharing similar electrical characteristics and packaging. These drivers are engineered for simplicity and reliability in constant current LED regulation tasks across industrial and automotive sectors.

Replacement Considerations

Compatible substitutes include other AL5809 variants with different current ratings, such as AL5809-25P1-7 or AL5809-100P1-7, provided the load current requirements are adjusted accordingly. Ensure any replacement maintains the same PowerDI-123-2 footprint and AEC-Q100 qualification status.