Constant current LED Drivers For indoor use LSU-25C Series, 25Watt FEATURES: Constant current output Cooling by free air convection Short circuit, over voltage protections IP30 rating Class Ⅱ, no FG 100% burn-in test 2 year warranty Model LSU25-C350 LSU25-C500 LSU25-C700 LSU25-C1050 Input voltage (Vac) 90-264 Output current (Vdc) Output voltage (Vdc) Output power (W) Min. Max. 350 25 70 24.5 500 15 50 25.2 700 11 36 25.2 1050 9 24 25.2 ELECTRICAL Input Parameters Symbols Test Conditions / Comment Input voltage Vin -- Input frequency Fline Input current Min. Typ. Max. Units 90 -- 264 Vac 120 -- 370 Vdc -- 47 -- 63 Hz Full load, Vin =115Vac -- 0.8 A Full load, Vin =230Vac -- 0.4 A Iin Inrush current Iinrush Cold start, Vin =230Vac -- 45 -- A Leakage current Ileakage Vin =240Vac -- 0.25 -- mA η Full voltage, full load -- 83 -- % Efficiency www.pairuigroup.com Page: 1 / 3 Date: 07/17/2015 Constant current LED Drivers For indoor use LSU-25C Series, 25Watt ELECTRICAL Output Parameters Test Conditions / Comment Min. Typ. Max. Units LSU25-C350 25 -- 70 V LSU25-C500 15 -- 50 V LSU25-C700 11 -- 36 V LSU25-C1050 9 -- 24 V LSU25-C350 322 350 378 mA LSU25-C500 460 500 540 mA LSU25-C700 644 700 756 mA LSU25-C1050 966 1050 1134 mA -- -- -- ±8.0 -- % Line regulation Iout-line -- -- ±1.0 -- % Load regulation Iout-load -- -- ±3.0 -- % Full load, Vin =115Vac -- -- mS Full load, Vin =230Vac -- -- mS -- -- 300 mAp-p Output voltage Output current Output current accuracy Turn-on, rise time Ripple Symbols Vout Iout -- Iripple 1500, 30 1500, 30 -- Protection Short circuit Hiccup mode, it will recover automatically after fault condition is removed Environment Storage Ambient operating temperature Operating relative humidity MTBF Temperature coefficient Tstorage Ta Humidity: 10% RH to 95% RH Startup at rated voltage (required Derating) Ha TMTBF -- -- +80 ℃ -30 -- +70 ℃ 20 -- 90 % 400 -- -- kHrs -- ±0.2 -- % Non condensing Full load, 220Vac input, ℃ ambient temperature 0~50℃ 25 Dimension(LxWxH) www.pairuigroup.com -40 84 x 57 x 30mm Page: 2 / 3 Date: 07/17/2015 Constant current LED Drivers For indoor use LSU-25C Series, 25Watt ELECTRICAL Safety / EMC Safety standards Design refer to EN61347-1, EN61347-2-13 EMC Design refer to EN55015, EN61000-3-2, EN61000-3-3, EN61000-4-2, 3, 4, 6, 8, 11, EN61547 ℃ Notes: 1. Unless otherwise specified, all the above parameters are measured at ambient temperature of 25 and Vin = 230Vac, rated load; 2. Ripple & Noise are measured at 20MHZ of bandwidth by using a 12” twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor. MECHANICAL Unit: mm ELECTRICAL CURVE DERATING CURVE www.pairuigroup.com STATIC CHARACTERISTICS Page: 3 / 3 Date: 07/17/2015