AL5890-10Y-13

Overview

The AL5890-10Y-13 is a linear LED driver IC from Diodes Incorporated, designed for high-voltage applications. It delivers a fixed output current of 10 mA with a maximum supply voltage of 400 V and an output voltage capability of 400 V. The device operates within a frequency range of 20 kHz and supports a wide input voltage range from 7 V to 400 V. It functions in a boost topology configuration and is housed in a SOT-89-3 package. The component is rated for operation between -40°C and +105°C, ensuring reliability in demanding environments.

Feature Summary

• Provides constant current regulation for single-channel LED loads
• Supports high-voltage operation up to 400 V
• Integrates internal switching for boost topology efficiency
• Compatible with surface-mount assembly processes

Applications

• LED signage illumination systems
• High-voltage LED string drivers
• Industrial indicator lighting circuits
• Automotive exterior lighting modules

Procurement Notes

Verify the specific suffix 'Y' against the manufacturer's latest datasheet to confirm pinout and thermal characteristics, as suffixes often denote package variations or temperature grades. Confirm availability status, as this part may be subject to end-of-life restrictions or discontinuation notices. Ensure the ordering quantity matches the reel packaging specifications provided by authorized distributors. Cross-reference the RoHS compliance details with current environmental regulations before finalizing procurement.

Selection Notes

Select this component when designing circuits requiring precise 10 mA current control for high-voltage LED arrays. The 400 V rating allows driving long series strings without external boosting components beyond the internal topology. Consider the SOT-89-3 package size for space-constrained PCB layouts. Evaluate thermal dissipation requirements based on the voltage drop across the device at the operating current. Ensure the application environment stays within the specified -40°C to +105°C operational range.

Part Context

This part belongs to the AL5890 series of LED drivers from Diodes Incorporated, which focuses on high-voltage linear and switching solutions. The series typically includes variants with different current ratings and packages, such as PowerDI and TO-252 options. The AL5890-10Y-13 specifically utilizes the SOT-89-3 form factor, distinguishing it from other series members that may offer higher current capabilities or alternative thermal profiles. It serves as a specialized solution for niche high-voltage lighting applications.

Replacement Considerations

Direct substitutes include the AL5890-10D-13 (TO-252 package) and AL5890-10P1-13 (PowerDI package), which share identical electrical parameters but differ in physical footprint and thermal performance. Verify pin compatibility and mounting style before swapping. No direct cross-brand replacements are confirmed in public documentation; design modifications may be required for alternative manufacturers.