AL8806MP8-13

AL8806 HIGH EFFICIENCY 36V 1.5A BUCK LED DRIVER Description Pin Assignments The AL8806 is a step-down DC/DC converter designed to drive LEDs with a constant current. The device can drive up to 8 LEDs, depending on the forward voltage of the LEDs, in series from a SET GND GND CTRL voltage source of 6V to 36V. The AL8806 switches at frequencies up to 1MHz. This allows the use of small size external components, hence minimizing the PCB area needed. 1 2 3 4 Maximum output current of AL8806 is set via an external resistor connected between the VIN and SET input pins. Dimming is achieved AL8806 8 7 6 5 VIN N/C SW SW MSOP-8EP by applying either a DC voltage or a PWM signal at the CTRL input pin. An input voltage of 0.4V or lower at CTRL switches off the output MOSFET simplifying PWM dimming. Features Applications  LED driving current up to 1.5A  High Power MR16 Lamps  Better than 5% accuracy  General Illumination Lamps  High efficiency up to 98%  Multi-Die LED Driver  Operating input voltage from 6V to 36V  High switching frequency up to 1MHz  PWM/DC input for dimming control  Built-in output open-circuit protection  MSOP-8EP: Available in “Green” Molding Compound (No Br, Sb) with lead Free Finish/ RoHS Compliant  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 http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain