VLSL3-DU

VLSL3-DU Vishay Semiconductors 2 x 24 W LED Driver Board Slight for VLSL30, VLSL31 FEATURES • 10.5 V to 14 VIN, output module power up to 56 W • Reverse polarity protection • Boost regulated constant current sources (up to 8 channel, 6 LEDs) • Closed loop regulated current control, automatic regulated constant current if single string gets open circuit • 12 VDC input with undervoltage and overvoltage control, load dump protected • Operating temperature: - 40 °C to + 105 °C • Ambient light sensor for automatic dimming (25 %, 50 %, 100 %), or free programmable on request • PWM dimming via RFC/RTC controller (adaptable unit with RF antenna) 22075 DESCRIPTION Using automotive qualified components, the 2 x 24 W LED driver board slight provides a highly reliable and efficient driving solution. PARTS TABLE PART VLSL3-DU for VLSL30 and VLSL31 TOPOLOGY UIN Reverse polarity protection DC/DC Boost converter U max. U max. max. 24 V Isense1 Isense2 Isense3 Isense4 Isense5 Isense6 Isense7 Isense8 On/Off PWM µC 22076 Ambient light sensor Document Number: 83302 Rev. 1.0, 22-Mar-10 For technical questions, contact: LED@vishay.com www.vishay.com 1 VLSL3-DU Vishay Semiconductors 2 x 24 W LED Driver Board Slight for VLSL30, VLSL31 EFFICIENCY 94 93 Efficiency Factor (%) 92 91 90 89 88 20 30 40 50 60 70 80 90 100 110 22077 Dimming Level (%) TERMINAL PLAN L1 N PE LED driver module Anode green Cathode yellow Cathode yellow Cathode yellow Cathode yellow Anode brown Cathode blue Cathode blue Cathode blue Cathode blue Not connected DC 12 V + AC 12 V - 230 V Electronic parts DC 12 V + Sensor cathode black Sensor anode white 12 V DC- black 12 V 12 V DC+ red 12 V DC- black 12 V DC+ red Supply voltage Terminal clamps AC 22096 www.vishay.com 2 For technical questions, contact: LED@vishay.com Document Number: 83302 Rev. 1.0, 22-Mar-10