AL8862SP-13

AL8862 60V 1A STEP-DOWN LED DRIVER Description Pin Assignments The AL8862 is a step-down DC/DC converter designed to drive LEDs with a constant current. The AL8862 operates with an input supply voltage from 5V to 60V and provides an externally-adjustable output current up to 1A. Series connection of the LEDs provides identical LED currents, resulting in uniform brightness and eliminating the need for ballast resistors. The AL8862 switches at frequencies up to 1MHz. This allows the use of smaller-sized external components, hence minimizing the PCB size. (Top View) SET 1 GND 2 EP 8 CTRL 7 GND NC 3 6 SW VIN 4 5 SW The AL8862 integrates the power switch and a high-side output current-sensing circuit. Maximum output current of the AL8862 is set via an external resistor connected between the VIN and SET input pins. Dimming is achieved by applying either a DC voltage or a PWM signal at the CTRL input pin. The soft-start time can be adjusted using an external capacitor from the CTRL pin to ground. An input voltage of 0.3V or lower at CTRL pin will shut down the power switch. SO-8EP (Top View) SW 1 GND 2 CTRL 3 6 VIN EP 5 GND 4 SET U-DFN3030-6 Features Applications                    Wide Input Voltage Range: 5V to 60V Output Current up to 1A Internal 60V NDMOS Switch Typical 4% Output Current Accuracy Single Pin for On/Off and Brightness Control by DC Voltage or PWM Signal High-Efficiency (Up to 97%) LED Short-Circuit Protection Inherent Open-Circuit LED Protection Current-Sense Resistor Short-Circuit Protection Overtemperature Shutdown Up to 1MHz Switching Frequency SO-8EP and U-DFN3030-6 Packages Available in Green Molding Compound (No Br, Sb) Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen- and Antimony-Free. “Green” Device (Note 3) For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/ Notes: Commercial & Industrial Lighting Appliances Interior Lighting Architecture Detail Lighting External Driver with Multiple Channels and Smart Lighting 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3).compliant. 2. See https://www.diodes.com/quality/lead-free/ 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