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400V Linear Constant Current LED Driver

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The AL5890 is a 400V linear constant current LED driver and it provides a cost-effective two pin solution. It has good temperature stability and the current accuracy of ±10% regulated over a wide voltage and temperature range. The AL5890 comes in various fixed output current options removing the need for external current setting resistors and creating a simple driver solution for the series of LEDs. The AL5890 supports both the high-side and low-side driving of LED chains.

The AL5890 turns on when the voltage between IN and OUT is greater than 7V. Long LED chain application up to 400V operating voltage subject to package thermal limitation.

The AL5890 is available in thermally robust PDI123 package.


  • DC 400V Operating Voltage with long LED chains subject to package thermal constraint
  • ±10% LED Current Tolerance Over Wide Temperature Range
  • Thermal Foldback Protection
  • 10mA, 15mA, 20mA, 30mA, and 40mA Constant Output Current Options 
  • PDI123 Thermally Enhanced Package 
  • Totally Lead-Free and Fully RoHS Compliant
  • Halogen and Antimony Free. Green Device


  • AC LED Lighting
  • Decorative LED Lighting
  • Display Signage Lighting

Product Specifications

Product Parameters

AEC Qualified No
Compliance (Only Automotive supports PPAP) Standard
Topology Linear LED Driver
Minimum Supply Voltage (V) 7 V
Maximum Supply Voltage (V) 400 V
Maximum VOUT (V) 400 V
Number of Channels 1
LED Current Sense Voltage (mV) N/A mV
Output Current (A) Fixed mA
Channel Max. Output Current (mA) 10 to 40 mA
Accuracy (%) 10 %
Dimming Ext PWM
Temperature Range (°C) -40 to 125 °C

Technical Documents

Evaluation Board User Guides

Recommended Soldering Techniques



Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2512 2021-04-16 2021-07-16 Qualified Additional Assembly & Test (A/T) Site