IS31LT3932 ISO Bulb Lighting Evaluation Board Guide Description LED PAR IS31LT3932 is a universal LED driver, which can operate in fly-back, buck-boost and buck convertor. For isolation Quick Start fly-back, it can achieve high PF, high current accuracy, ± 5 % Recommended Equipment load and line regulation and wide voltage input voltage range, ● 85~265VAC/50~60Hz power supply without loop compensation. For buck convertor, it also can achieve high PF, high current accuracy, high efficiency, good Absolute Maximum Ratings load and line regulation and wide voltage input voltage range, ●≤ 265VAC power supply without loop compensation. with very few components. ●≤ 39V Vout (Total Vf) IS31LT3932 has special power line sense and output voltage sense circuits, operates in primary feedback mode without Caution: Do not exceed the conditions listed above, opto-coupler and achieve stable output current control without otherwise the board will be damaged or the output will any loop compensation. be limited IS31LT3932 has multiple protections to improve the system Procedure reliability, including LED open circuit, LED short circuit, UVLO, The IS31LT3932 DEMO Board is fully assembled and tested. OVP, current sense resistor short, the primary over current Follow the steps listed below to verify board operation. limit and over temperature protections. Caution: Do not turn on the power supply until all connections are completed. Features Universal isolation and non-isolation Single stage PFC fly-back No loop compensation required No opto-coupler required ± 3 %LED current accuracy ± 5 % line regulation and load regulation Wide input voltage: 85~265Vac Low start-up current(15uA) Valley turn-on MOSFET to achieve high efficiency 1) Connect the input pin N of the Evaluation Board via the main power switch to AC power supply N. 2) Connect the input pin L of the Evaluation L. 3) Turn on the power supply. for buck application Few external components 1A sourcing current and 2A sinking current multiple protections Ordering Information PART# IS31LT3932-GRLS2-TR TEMP IC RANGE PACKAGE -40 to 125°C SOP-8 Applications LED bulb LED Tube lamp For pricing, delivery, and ordering information, please contact ISSI at [email protected] or call +1-408-969-6600 Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 1 1 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide Figure 1 IS31LT3932 Evaluation Board Schematic Note: ISSI Evaluation Board does include a LED array Figure 2 Picture of Evaluation Board NOTE: Physical dimensions of power board are (L×W×H): 53mm×20mm×15mm Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 2 2 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide PCB Layout Figure 3 PCB Layout – Top layer Figure 4 PCB Layout – Bottom layer Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 3 3 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide Bill of Materials No. Name 1 FUSE 2 Bridge rectifier 3 Inductor 4 Description Ref Des. Qty. 1A250V Φ3 F1 1 MB6S BD1 1 3.3mH 0510 L1,L2,L3 3 Resistor 5.5kΩ 1% 0805 R2,R4,R13 3 5 Resistor 1M Ω 1% 1206 R5,R9 2 6 Resistor 13kΩ 1% 0805 R18 1 7 Resistor 300kΩ 1% 1206 R6,R10,R3 3 8 Resistor 240kΩ 1% R17 1 9 Resistor 1.0Ω 1% 1206 R20 1 10 Resistor 200Ω 1% 0805 R7 1 11 Resistor 10kΩ 1% 0805 R23 1 12 Resistor 240kΩ 1% 0805 R22 1 14 Resistor 68k Ω 1% 1206 R8 1 15 Resistor 0Ω 1% 0603 R12 1 16 Resistor NC R21,R1,C1,C5,C11,R14,D3 0 17 CBB-CAP 100nF 400V C1 1 18 SMD-CAP 1nF 1000V 1206 C8,C2 2 19 E-CAP 220uF 50V 0810 C3,C4 2 20 SMD-CAP 1nF 25V C7 1 21 SMD-CAP 1uF C10 1 22 SMD-CAP 10uF C9 1 23 SMD-DIODE ES1J D5,D2 2 24 SMD-DIODE 1N4007 SOD-123 D6 1 25 SMD-DIODE 1N4148 SOD-80 D4 1 26 SMD-ZENER 39V SOD-80 D7 1 27 MOS 2N80B TO-251 Q1 1 28 IC IS31LT3932 SOP-8 U1 1 29 TRANSFORMER TR 1 30 Y1-CAP CY 1 31 TH-Diode D1 1 MBS 0805 pin10 X7R 50V 0805 X7R 1206 50V X7R 0805 SMA 1% EE16 5+5 1nF 250/275Vac SB5200 Pin10 DO-201AD Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 4 Mfr P/N 4 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide Transformer Design ELECTRICAL SPECIFCATIONS: 1.Primary inductance(Lp)=1.1mH@10kHz 2. Primary Leakage Inductance (Lk)< = 30uH @10KHz 3. Electrical Strength = 3KV, 50/60Hz,1Min MATERIALS: 1. Core:EE16(Ferrite Material TDK PC40 or equivalent) 2. Bobin:EE16 Primary 5,Secondary:5 3.. Magnet Wires (Pri) : Type 2-UEW 4. Magnet Wire (Sec) : Triple Insulated Wires 5. Layer Insulation Tape :3M1298 or equivalent. SCHEMTIC No winding start end Wires 1 N1 3 2 86T 0.18mm-QA 9mm-3 2 N2 A B 44T 0.18mm-TEX 9mm-3 3 N3 2 1 43T 0.18mm-QA 9mm-2 4 N4 4 5 40T 0.18mm-QA 9mm-2 Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 Tape 5 Float 2cm 5 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide Test data DATA Vin 85 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 265 5LED PF 0.998 0.998 0.997 0.995 0.993 0.991 0.988 0.984 0.977 0.970 0.966 0.958 0.951 0.943 0.937 0.927 0.920 0.908 0.902 0.899 THD 2.5% 2.4% 2.6% 3.2% 3.6% 4.7% 5.3% 6.9% 8.3% 9.6% 10.7% 12.8% 13.9% 16.4% 18.1% 20.2% 22.3% 24.3% 25.5% 26.5% Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 PIN 3.38 3.37 3.46 3.41 3.54 3.49 3.57 3.55 3.42 3.39 3.49 3.50 3.57 3.56 3.67 3.67 3.75 3.73 3.87 3.90 6 VOUT 14.70 14.69 14.72 14.70 14.79 14.78 14.75 14.75 14.69 14.69 14.71 14.70 14.71 14.70 14.79 14.79 14.74 14.73 14.82 14.83 IOUT 186 186 192 191 198 196 200 199 193 191 195 196 199 199 203 202 206 204 209 212 eff.. 80.893% 81.078% 81.683% 82.337% 82.724% 83.005% 82.633% 82.683% 82.900% 82.767% 82.191% 82.320% 81.997% 82.171% 81.808% 81.405% 80.972% 80.561% 80.036% 80.614% 6 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide DATA Vin 85 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 265 6LED PF 0.999 0.998 0.998 0.997 0.995 0.993 0.991 0.988 0.984 0.979 0.976 0.968 0.964 0.957 0.952 0.944 0.938 0.930 0.923 0.920 THD 2.3% 2.2% 2.7% 2.7% 3.1% 3.8% 4.2% 5.4% 6.7% 7.5% 8.5% 10.3% 11.6% 12.9% 13.8% 15.4% 18.1% 18.6% 21.5% 20.8% Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 PIN 3.99 4.09 4.09 4.00 4.14 4.09 4.23 4.19 4.06 4.04 4.14 4.11 4.19 4.20 4.37 4.35 4.40 4.47 4.52 4.58 VOUT 17.56 17.59 17.59 17.57 17.61 17.59 17.65 17.63 17.59 17.58 17.61 17.58 17.60 17.59 17.63 17.63 17.64 17.65 17.65 17.67 IOUT 185 190 191 190 196 194 200 199 193 192 196 195 198 198 202 204 205 207 209 211 eff.. 81.419% 81.714% 82.144% 83.458% 83.371% 83.434% 83.452% 83.732% 83.617% 83.549% 83.371% 83.409% 83.169% 82.924% 81.493% 82.679% 82.186% 81.735% 81.612% 81.405% 7 7 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide DATA Vin 85 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 265 7LED PF 0.999 0.999 0.998 0.998 0.997 0.996 0.994 0.992 0.988 0.985 0.981 0.978 0.973 0.968 0.962 0.956 0.950 0.945 0.939 0.936 THD 2.3% 2.3% 2.5% 2.5% 2.7% 3.1% 3.5% 4.2% 5.3% 6.4% 6.9% 7.9% 9.8% 10.6% 12.2% 13.0% 14.4% 15.2% 17.1% 18.4% PIN 4.81 4.72 4.70 4.77 4.79 4.86 4.85 4.93 4.66 4.73 4.78 4.85 4.82 4.89 4.93 5.00 5.07 5.17 5.21 5.27 VOUT 20.56 20.43 20.47 20.60 20.45 20.63 20.46 20.63 20.44 20.55 20.46 20.62 20.45 20.59 20.52 20.57 20.50 20.67 20.56 20.63 IOUT 189 188 189 193 195 197 199 201 192 194 197 198 198 199 201 203 205 206 208 210 eff.. 80.787% 81.374% 82.316% 83.350% 83.252% 83.624% 83.949% 84.110% 84.216% 84.285% 84.323% 84.181% 84.006% 83.792% 83.662% 83.514% 82.890% 82.360% 82.082% 82.207% Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 8 8 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide DATA Vin 85 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 265 8LED PF 1.000 0.999 0.999 0.998 0.997 0.996 0.995 0.994 0.990 0.988 0.985 0.982 0.978 0.974 0.970 0.965 0.960 0.953 0.949 0.946 THD 2.3% 2.4% 2.5% 2.4% 2.3% 2.7% 3.2% 3.6% 4.5% 5.1% 5.8% 6.7% 8.2% 9.1% 10.3% 11.2% 12.7% 13.3% 15.5% 14.9% Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 PIN 5.45 5.34 5.34 5.36 5.39 5.46 5.49 5.55 5.27 5.34 5.41 5.47 5.46 5.54 5.60 5.64 5.69 5.76 5.84 5.92 9 VOUT 23.33 23.29 23.25 23.40 23.33 23.40 23.35 23.44 23.33 23.38 23.36 23.47 23.35 23.43 23.41 23.42 23.41 23.43 23.44 23.49 IOUT 188 187 189 190 193 197 198 200 191 193 196 197 197 199 201 202 203 205 207 209 eff.. 80.478% 81.559% 82.289% 82.948% 83.538% 84.429% 84.213% 84.468% 84.555% 84.501% 84.631% 84.526% 84.248% 84.162% 84.025% 83.880% 83.519% 83.388% 83.084% 82.929% 9 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide DATA Vin 85 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 265 9LED PF 1.000 1.000 0.999 0.998 0.998 0.997 0.996 0.995 0.992 0.990 0.988 0.985 0.982 0.979 0.975 0.972 0.967 0.963 0.959 0.957 THD 2.3% 2.3% 2.3% 2.4% 2.4% 2.5% 2.7% 3.2% 3.8% 4.4% 5.1% 5.9% 6.7% 8.0% 8.4% 9.2% 10.5% 11.1% 13.0% 13.4% PIN 6.13 6.03 6.00 6.00 6.03 6.07 6.12 6.19 5.90 5.96 6.05 6.11 6.13 6.20 6.29 6.37 6.40 6.52 6.55 6.65 VOUT 26.28 26.26 26.25 26.23 26.23 26.32 26.28 26.37 26.27 26.28 26.25 26.36 26.29 26.31 26.30 26.44 26.30 26.31 26.31 26.51 IOUT 187 187 188 190 192 194 197 199 191 192 195 196 197 198 201 202 204 206 208 208 eff.. 80.169% 81.436% 82.250% 83.062% 83.518% 84.120% 84.594% 84.776% 85.044% 84.660% 84.607% 84.559% 84.488% 84.022% 84.043% 83.844% 83.831% 83.127% 83.549% 82.918% Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 10 10 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide DATA Vin 85 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 265 10LED PF 1.000 1.000 0.999 0.999 0.998 0.998 0.997 0.996 0.994 0.992 0.990 0.988 0.986 0.983 0.980 0.977 0.973 0.969 0.965 0.963 THD 2.2% 2.2% 2.4% 2.4% 2.4% 2.4% 2.6% 2.8% 3.5% 4.1% 4.7% 5.1% 5.7% 6.9% 7.2% 8.6% 9.3% 9.8% 10.7% 11.4% Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 PIN 6.73 6.70 6.64 6.61 6.66 6.69 6.74 6.81 6.48 6.54 6.66 6.70 6.74 6.81 6.93 6.99 7.09 7.15 7.27 7.31 11 VOUT 28.93 28.95 28.98 29.11 29.13 29.15 29.17 29.18 29.07 29.11 29.15 29.16 29.15 29.17 29.20 29.22 29.22 29.22 29.23 29.27 IOUT 186 186 188 189 191 193 195 197 190 190 194 196 196 198 201 202 204 205 208 209 eff.. 79.955% 80.369% 82.052% 83.234% 83.541% 84.095% 84.394% 84.412% 85.236% 84.454% 84.795% 85.275% 84.798% 84.753% 84.606% 84.383% 84.074% 83.778% 83.601% 83.571% 11 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide Line Regulation PF Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 12 12 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide THD Efficiency Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 13 13 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide Load Regulation Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 14 14 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide EMI test Report Figure 5. L line Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 15 15 IS31LT3932 ISO Bulb Lighting Evaluation Board Guide Figure 6. N line Copyright © 2011 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to obtain the latest version of this device specification before relying on any published information and before placing orders for products. Integrated Silicon Solution, Inc. does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless Integrated Silicon Solution, Inc. receives written assurance to its satisfaction, that: a.) the risk of injury or damage has been minimized; b.) the user assume all such risks; and c.) potential liability of Integrated Silicon Solution, Inc is adequately protected under the circumstances. Integrated Silicon Solution, Inc. – www.issi.com R1.0, 21/08/2013 16 16