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The DIODES™ AL5819 is 36V Low Dropout Linear LED driver offering excellent temperature stability and adjustable output current handling capability. The AL5819 simplifies the design of linear and isolated or non-isolated LED drivers by setting the LED current with standard value resistors. It is a simple and elegant solution to deliver constant current for a single LED string.
The AL5819 has an open drain output that can swing up to 36V enabling it drive long LED chains. Its RSET pin is outside of the LED current path and regulated accuracy while minimizing the required overheads to regulate the LED current. This reduces its power dissipation when compared to traditional linear LED drivers.
The AL5819 is available in the SOT26 (Type SM) package.
Up to 36V Vin Open-Drain Output
-40°C to +125°C Temperature Range
5kV ESD HBM for VIN Pin, 2kV ESD HBM for All Other Pins
No External Capacitor Required for Normal Operation
Support LED Dimming Through Power Supply Vin
Support LED Dimming Through RSET Control
Connect Devices in Parallel to Increase Output Current
Halogen and Antimony Free. “Green” Device (Note 3)
For automotive applications requiring specific change control(i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF16949 certified facilities), please contact us or your local Diodes representative.