AL5809 60V Two Terminal Constant Current LED Driver PowerDI Description Pin Assignments The AL5809 is a constant current linear LED driver and it provides a cost-effective two pin solution. It has an excellent temperature 1 stability of 20ppm/C and the current accuracy 5% regulated over a IN wide voltage and temperature range. The AL5809 comes in various fixed output current versions removing the need for external current setting resistors creating a simple solution for the linear driving of AL5809 LEDs. It supports both the high-side and low-side driving of LED chains. The AL5809 turns on when the voltage between IN and OUT swings from 2.5V up to 60V enabling it drive long LED chains. The floating OUT ground, 60V Voltage rating between Input and Output pins designed 2 to withstand the high peak voltage incurred in offline applications. The AL5809 is available in either thermally robust package PowerDI123 or SOD-123 package. Features Applications 2.5V to 60V Operating Voltage Between Two Terminals Offline LED Lamps LED Power Supplies Robust Power Package Up to 1.2W for PowerDI -123 White Goods -40C to +125C Temperature Range LED Signs 5% LED Current Tolerance Over-Temperature Instrumentation Illumination 15mA, 20mA, 25mA, 30mA, 40mA, 50mA, 60mA, 90mA, 100mA, 120mA, and 150mA Available in PowerDI123 Package 15mA, 20mA, 25mA, 30mA, 40mA and 50mA available in SOD- 123 Package, Other Current Options Available by Request Constant Current with Low Temperature Drift and High Power Supply Rejection Ratio Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. Green Device (Note 3) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See AL5809 Typical Applications Circuit VIN VIN 1 IN Low Side LED String AL5809 1 IN OUT 2 AL5809 High Side LED String OUT 2 Pin Descriptions Pin Pin Number Function Name (PowerDI123) LED Current Input Terminal. In 1 For low side LED string application, connect the LED cathode terminal to the In terminal. For high side LED string application, connect the LED anode terminal to the Out terminal. LED Current Output Terminal. Out 2 For low side LED string application, connect the LED anode terminal to the Out terminal. For high side LED string application, connect the LED cathode terminal to the Out terminal. Functional Block Diagram 2 of 16 December 2016 AL5809 Diodes Incorporated www.diodes.com Document number: DS36625 Rev. 5 - 2 XX Y W X XX Y W X