TECHNICAL NOTE DoE ENERGY STAR(. 202 8 9 ) 8 W LED GreenPoint LED 0.5~0.6 NCP04LEDGTGEVB Cree XLAMP XR E/XP E Luxeon Rebel Seoul Semiconductor Z POWER OSRAM Golden Dragon~8 LED PWM NCP04 AC(90~265 Vac)8 W LED LED 630 ma Cree XLAMP MC EMC E 4LED LED 700 ma LED 2 23 3 6 Two Capacitor Valley Fill Figure. Valley Fill Circuits Three Capacitor Valley Fill 2 4 Semiconductor Components Industries, LLC, 203 April, 203 Rev. Publication Order Number: TND37JP/D
TND37/D 2 70 NCP607B 0.98 2 ( ) 2 20 Hz LED PWM NCP04 LED U2 C6 LED RMS Figure 2.4 LED LED (NCP04LEDR2GEVB) 225% 2000 F
TND37/D MRA4007 D D3 MRA4007 R 4R7 MRA4007 D2 D4 MRA4007 C4 00 nf L 2.7 mh C2 220 nf C3.5 nf D5 MURA60 D6 MMBD94LT U 3 2 4 R3 3.3k VCC NCP04 C5 2.2 F R2 47K TA TC C6 47 F 4 3 2 4 U2 3 D7 MURS320T3 FL TB Fly Leads FL2 R4 200 2 C7 2.2 nf Q BC857 Q2 BC846 Off Board R0 0K C0 0 nf + +TESTPOINT E + R6 R8 R7 R8 R8 0R R9 NF D8 8 V R2 K R5 2.2k R3 0k R4 820 R5 k D9 5. V Optional Dimming Components 89 000 F C9 000 F J2 J2 2 J2 5 LED Anode LED Cathode J2 6 R 00 E2 TESTPOINT J Line C 00 nf J 2 Neutral Figure 2. Schematic of NCP04LEDGTGEVB 3
TND37/D NCP04 00 khz 75% 8 W 0.6 W 90 ~ 265 Vac NCP04 DSS (Dynamic Self Supply) DSS EMI ( ) 90 C C2 00 nf L / 0 L C 2 *0.*fSW 2 2 * 0. * 00000 2 L 2.5 mh C 00 nf 2.7 mh C2 220 nf R D5 C3R2 D5 265 V ac 374 V 05:20 22 V 22*(05/20) = 5.5 V 489.5 V 0V 500 V 700 V NCP04 450 mamura60 600 V A C3.5 nf R3 47 k 5.5 + 0 = 25.5 V D6 D6 374V05:3 374*(3/05) = 46.3 V 22 V 22*(3/20) = 4.3 V D6 2 60.6 V MMBD94 200 ma 00 V NCP04.2 ma C4 R3 C5 DSS C5 2.2 FC4 0. F R3 NCP04 R3.5 k 630 ma 22 V 374*(20/05) + 22 V = 93.2 V 4
TND37/D MURS320 3 A 200 V 35 ns 2000 F 25% 44 ma R sense PNP Q- R sense 0.6 VR Q QLED R4 U2 NCP04 Q 25% 2% LED I out Q Vbe R sense.2 V be = 0.6 VR sense = 0.536/I out I out = 630 mar sense = 0.85 R sense R6 ~ R9 4 LED R6 R7.8 R8 0 R9 0.83 Q 2 mv/ C C6NCP04 C6 22 ~ 47 F LED26 V 90 Vac P o =8W = = 0.75V in = 26 V I pk (4*P o ) 4*8W *Vin 0.339 A 0.75 * 26 V f SW 00 khz 500 * Vin I p Ipk *f SW 500 * 26 V 858 H 0.339 A * 00 Ac = 0.2 cm 2 E6 3 kg 0. * Lb *I pk 0. * 858 H * 0.339 A N p 05 T (A c *B) 0.2 cm 2 *3kG 50% NCP04700 V80% 560 V 374 V 560 V 374 V = 86 V 0 V 76 V 22 V50%33 V N s N b * V sec V pri 05 * 33 V 20 Turns 76 V NCP04DSS 8. V LED 2.5 V N b N s * V bias V sec 20 * 8. V 3 Turns 2.5 V 3 3 5
TND37/D 3 PCB Wurth-Midcom D8 (knee) LED NCP04 D8R4 LED D8 8 V22 V NCP04 MC E LED 8 W R0 C0 LED LED LED LED LED R2 R4 R5 D9 Q2R3 R sense R- Q NCP04 R R sense LED LEDR R LED R R R Q2 R D9 R3 Q2Q2 Q2 - R4 R4 R4 Q2 R4 Q2 R RQ2 LED Q2Q2 D9 5. V Q2 R4 Q2-0.6 V4.5 V LED 50 ma 50 ma*0.83 = 42 mv (R sense. ) Q 600 mv 42 mv R 558 mv 558 mv/00 = 5.58 ma R4 4.5 V/5.58 ma = 806 R4 820 R Q2 Q2 LED Q2 R5 R3 * V base VD9 V base 0.5 V 0000 * 0.5 R5.09 k 5. 0.5 6
TND37/D R5(R5 = k ) LED LED LED 05 C 5000 L Lr * 2^ (T max T san ) 0 * * K^ I rpl I max ^ 2 * T cr 0 L = Lr = T max = T san = I rpl = I max = T cr = K 255 C T cr = 30 C ECA EM02 000 F 25 V 850 ma 2000 85 C Tsan 50 C 740 ma rms 370 ma (85 50) L 2000 * 2^ 22 069 hours 0 * 2^ 0.37 0.85 ^ 2 * 30 0 LED NCP04LEDGTGEVB 630 ma 4LED Figures 3 4 EFFICIENCY (%) EFFICIENCY (%) 80 75 70 65 60 55 50 2 3 4 5 6 7 8 9 OUTPUT POWER (W) Figure 3. Efficiency Across Output Load with V in = 5 Vac 80 75 70 65 60 55 50 90 5 40 65 90 25 240 265 LINE VOLTAGE (Vac) Figure 4. Efficiency Across Line Voltage with P out = 8.5 W LED LED Figure 5 3 ( ) 7
TND37/D LED FORWARD VOLTAGE (Vdc) 25 20 5 0 5 Constant Voltage Constant Power Constant Current 0 0 00 200 300 400 500 600 700 800 LED CURRENT (ma) Figure 5. Output Current/Voltage Transfer Function, 5 Vac Figure 6LED LED CURRENT (ma) 725 700 675 650 625 600 575 90 5 40 65 90 25 240 265 LINE VOLTAGE (Vac) Figure 6. Current Versus Line Voltage, V f = 3. V at 653 ma Current LED 350 ma 5 Vac 350 ma Figure 790 Vac265 Vac LED CURRENT (ma) 400 390 380 370 360 350 340 330 320 30 300 90 5 40 65 90 25 240 265 LINE VOLTAGE (Vac) Figure 7. Current Regulation Across Line with Nominal Current set 350 ma, V f = 2.6 Vdc Figure 8 90 ~ 35 Vac 0.8 ENERGY STAR POWER FACTOR 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 0.55 0.50 90 5 40 65 90 25 240 265 LINE VOLTAGE (Vac) Figure 8. Power Factor versus Line Voltage IEC 6000 3 2 C 25 W Table LED 8
TND37/D Table. Harmonic 5 Vac 60 Hz 230 Vac 50 Hz Class C Limit Third 52.4% 65.0% 86.0% Fifth 23.0% 47.9% 6.0% 4LED ( Cree MC E) Figure 9 ( 6dB )EN55022 B dbuv 80 70 60 50 40 30 20 0 0 0 20 EN 55022; Class B Conducted, Average Line Average (Start = 0.5, Stop = 30.00) MHz 0 Figure 9. Conducted Emissions with Class B Limits, V in = 5 Vac 0X Figure 0230 Vac NCP04 700 V Figure 0. Drain Switching Voltage Waveform 9
TND37/D Figures 25 230 Vac DC AC 50 ma 44 ma 5 Vac %AC Figure 6 Figure. LED Ripple Current with 5 Vac Input Figure 2. LED Ripple Current with 230 Vac Input 0
Figure 35 Vac 50 ma 80 ms TND37/D Figure 3. Startup at 5 Vac ENERGY STAR LED [] ENERGY STAR SSL Luminaire Specification, Version. http://www.energystar.gov/index.cfm?c=new_specs.ssl_luminaires [2] Cree XLAMP MC E Specification http://www.cree.com/products/xlamp_mce.asp [3] Fraen Reflector Optics for Cree MC E http://www.fraensrl.com/prodinfo.html [4] ON Semiconductor Design Note DN0605: Improving the Power Factor of Isolated Flyback Converters for Residential ENERGY STAR LED Luminaire Power Supplies http://www.onsemi.com/pub_link/collateral/dn0605 D.PDF [5] LED Desk Lamp Conversion White Paper TND358: http://www.onsemi.com/pub_link/collateral/tnd358 D.PDF
TND37/D APPENDIX Table 2. BILL OF MATERIALS Value Description Part Reference Manufacturer Manufacturer Part Number 00 nf CAP, 00 nf, 275 Vac C Panasonic ECQ U2A04ML 220 nf CAP, 220 nf, 275 Vac C2 Panasonic ECQ U2A224ML.5 nf CAP,.5 nf, kv ceramic C3 Murata DEBB33A52KA2B 00 nf CAP 00 nf 25 V 0% 0603 SMD C4 Panasonic ECJ VFH04Z 2.2 F CAP 2.2 F 50 V 5 khr 05 C 5x C5 Panasonic EEU EBH2R2S Radial 47 F CAP 47 F 6 V 2 khr 85 C 5x C6 Panasonic ECA CM470 2.2 nf CAP 2.2 nf Y 250 Vac C7 TDK Corp CD2 E2GA222MYNS 000 F CAP 000 F 25 V 2 khr 85 C C8 C9 Panasonic ECA EM02 0x20 0 nf CAP 0 nf 50 V 0% 0603 SMD C0 Panasonic ECJ VBH03K MRA4007 Rectifier, 000 V, A, SMA D D2 D3 ON Semiconductor MRA4007T3 D4 MURA60 Rectifier, 600 V, A, SMA D5 ON Semiconductor MURA60T3 MMBD94LT Rectifier,00 V, 200 ma, SOT23 D6 ON Semiconductor MMBD94LT MURS320T3 Rectifier, 200 V, 3 A, SMC D7 ON Semiconductor MURS320T3 BZX84C8LT Zener Diode, 8 V, 225 mw, SOT23 D8 ON Semiconductor BZX84C8LTG MMBZ523 Zener Diode, 5. V, 500 mw, SOT23 D9 ON Semiconductor MMBZ523BLTG TESTPOINT Terminal Test point E E2 Kobiconn 5 03 RC Conn Screw terminal J Weidmuller 76020000 Conn Header, row, 6 pin J2 Tyco 535676 5 2.7 mh IND, PWR, 2.7 mh L Coilcraft RFB080 272 BC857 TRAN, PNP, 45 V, 00 MA, SOT23 Q ON Semiconductor BC857BLTG BC846 TRAN, NPN, 65 V, 00 MA, SOT23 Q2 ON Semiconductor BC846BLTG 4R7 Fusible resistor, 4R7, 0.5 W R Vishay NFR25H0004708JR500 47k RES, 47k, W R2 Vishay PR000004702JR500.5k RES,.5k, /0 W, SMD 0603 R3 Panasonic ERJ 3EKF50V 200 RES, 200R, /0 W, SMD 0603 R4 Panasonic ERJ 3EKF2000V 2.2k RES, 2.2k, /0 W, SMD 0603 R5 Panasonic ERJ 3EKF220V R8 RES, R8, /4 W, SMD 206 R6 R7 Vishay CRCW206R80FKEA 0R RES, 0R, /4 W, SMD 206 R8 Vishay CRCW2060R0FKEA Not Used R9 0k RES, 0k, /4 W, SMD 206 R0 Rohm MCR8EZPJ03 00 RES, 00R, /0 W, SMD 0603 R Panasonic ERJ 3EKF000V k RES, k, /0 W, SMD 0603 R2 R5 Panasonic ERJ 3EKF00V 0k Potentiometer, 0k R3 CTS 026TB32R03BA 820 RES, 820R, /0 W, SMD 0603 R4 Panasonic ERJ 3EKF8200V T Transformer T ICE Components Wurth Midcom NCP04 IC, CUR MODE CONT, 00 khz, SOT 223 TO09035 750804 U ON Semiconductor NCP04ST00T3G PS256 OPTOCOUPLER, TRAN O/P, SMT4 U2 NEC ELECTRONICS PS256L A 2
TND37/D TRANSFORMER DESIGN SPECIFICATION Project / Customer: ON Semiconductor Aspen Greenpoint Desk Lamp (6 Feb 09) Part Description: 8 watt flyback transformer, 00 khz, 24 V / 360 ma Schematic ID: T Inductance:.8 mh 5% Bobbin Type: 8 pin horizontal mount for EF6 Core Type: EF 6 (E6/8/5); 3C90 or similar material Core Gap: Gap for.8 mh Table 3. WINDING DETAIL (in order of assembly) Operation Start Finish Details Notes Primary Bias Pin 3 Pin 2 3T #32HN Spread across bobbin in one layer Insulate T Mylar tape Lap ~0. inch Primary winding Pin 4 Pin 05T #32HN Wind in 3 layers, 35 turns/layer Insulate T Mylar tape Lap ~0. inch 24 V Secondary Fly.5 Insulate Assemble core Vacuum varish Fly2.5 20T #26 TEX-E 3T Mylar tape Spread across bobbin in one layer Mark start lead with tape Gap for.8 mh Mark with part number Hipot: 3 kv from Primary to Secondary for Minute 4 3 2 Fly Fly 2 4 3 2 5 6 7 8 (Bottom View Face Pins) Pins 4 tape Pins 5 8 Fly Fly 2 Breakout at top of coil Figure 4. Schematic Figure 5. Lead Breakout / Pinout SUPPORT INFORMATION IEC 6000 3 2: International Standard for Electromagnetic Compatibility DoE ENERGY STAR Standard for Solid State Lighting Luminaires (Version. 2/9/08) GreenPoint is a registered trademark of Semiconductor Components Industries, LLC (SCILLC). ENERGY STAR and the ENERGY STAR mark are registered U.S. Marks; XLamp is a registered trademark of Cree, Inc.; Z POWER is a registered trademark of Seoul Semiconductor Co., Ltd.; Golden Dragon is a trademark of Osram; Luxeon is a trademark of Lumileds Lighting. ON SemiconductorONSemiconductor Components Industries, LLC (SCILLC) SCILLC () SCILLCwww.onsemi.com/site/pdf/Patent-Marking.pdf. SCILLC SCILLC SCILLC SCILLC SCILLC SCILLC SCILLC SCILLC SCILLC SCILLC PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 563, Denver, Colorado 8027 USA Phone: 303 675 275 or 800 344 3860 Toll Free USA/Canada Fax: 303 675 276 or 800 344 3867 Toll Free USA/Canada Email: orderlit@onsemi.com N. American Technical Support: 800 282 9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 42 33 790 290 Japan Customer Focus Center Phone: 8 3 587 050 3 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative TND37JP/D