User Guide for FEBFLS1800XS1CH_L11U100A
Contents
1. t ss Windin No Winding Pin S gt F Wire Turns Metho 1 Np 34 gt 1 2 0 1p x 50 39 Ts Solenoid Winding 2 Insulation Polyester Tape t 0 025 mm 3 Layer 3 NauxA 10 9 0 30 5 Ts Solenoid Winding 4 Insulation Polyester Tape t 0 025 mm 3 Layer 5 NauxB 6 gt 7 0 30 5 Ts Solenoid Winding 6 Insulation Polyester Tape t 0 025 mm 3 Layer Table 3 Electrical Characteristics Pin Specifications Remark Inductance 3 4 1 2 280 uH 5 100 kHz 1 V 2012 Fairchild Semiconductor Corporation 13 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 VA Wee FAIRCHILD AAA wiem qi sem SEMICONDUCTOR QW a 7 2 LLC Resonant Converter Transformer TM2 Core EER3543 Bobbin 16 pin 2 5mm ia 13mm 12mm EER3543 Figure 11 Transformer Specifications amp Construction Table 4 Winding Specifications No Winding Pns gt Fi Winding Wetho ne EA a Insulation a Tape t 0 025 mm 3 Layer Insulation Polyester Tape t 0 025 mm 3 Layer 13 gt 11 0 10520 Solenoid Winding Insulation Polyester Tape t 0 025 mm 3 Layer 16 gt 14 0 19x10 Center Solenoid Winding Insulation Polyester Tape t 0 025 mm 3 Layer Table 5 Electrical Characteristics Pin Specification Remark Primary Side Inductance Lp 2 8 850 uH 15 100 KHz 1 V E E Short One of the Primary Side Effective Leakage Lr 2 8 Maximum 170 uH Secondary Windings 20122. C107 C108 L C101 R103 R101 ZNR1 D d Vac Figure 8 Schematic for PFC 5 2 DC to DC Converter and CC CV Control PFC C123 TM2 D201 C201 C202 C203 Vuen OUT 9 k R123 err oun R203 C206 C205 C204 Seis R202 D204 T D107 DS3 CS19 RS33 R136 R135 R134 cize EC CX c127 Ton C125 R127 R129 R128 R130 DS5 CS25 RS56 RS55 HA RS59 R126 o L L U11 RS60 Figure 9 Schematic for DC to DC Converter and CC CV Control O 2012 Fairchild Semiconductor Corporation 9 FEBFLS1800XS1CH L11U100A Rev 1 0 0 A SSS FAIRCHILD SEMICONDUCTOR ww fairchildsemi com S o k 6 Bill of Materials 6 1 Main Board PFC and DC to DC Converter 1 1 we T SOP Farchid Semiconductor sl up name 1 zap Faria Semiconductor 3 Foe ren 1 Opto Coupler Faichid Semiconductor 4 ioma oa 3 JXCmahr a eegenem C206 saur sov S EemoicCapactr 1 mue N nocometin roid Semi SOIN gt Hi pepe No o Connection O 2012 Fairchild Semiconductor Corporation 10 FEBFLS1800XS1CH L11U100A Rev 1 0 0 ASAS FAIRCHILD Y A SA bis Vind d SEMICONDUCTOR Eo 6 1 Main Board PFC and DC to DC Converter R107 REN SMD Resistor 3216 40 R108 EN SMD Resistor 3216 41 RAOS R119 R131 R132 R203 10 KQ J SMD Resistor 3216 42 R110 R111 R11
3. FAIRCHILD Z3 ES ww fairchildsemi gem SEMICONDUCTOR User Guide for FEBFLS1800XS1CH_L11U100A 100 W LED Driver at Universal Line Featured Fairchild Products FL7930B FLS1800XS Direct questions or comments about this evaluation board to Worldwide Direct Support Fairchild Semiconductor com O 2012 Fairchild Semiconductor Corporation 1 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 SSS SSS FAIRCHILD NANA SEMICONDUCTOR ww fairchildsemi com Table of Contents inn o eee er aaa ga naa aana aan 3 Lal General Description ot FL7390B nadas 3 yq Sa GR a A Ba yo Ka a E a RARA gi IB aa a 3 1 2 Internal Block IDI AS baksa an sia ia wa ares 4 LA General Description of FLS1800 ST sse ce sss sse ennenen een 4 1 5 Features o QMO cccccssesestsecetecsssescscsceacnenssenseccsasebeaaseseacceeaeess 5 1 6 Internal Block Diagram T enne nnne nnn nnne nnda 5 2 Specifications for Evaluation Board H ass sss sss ss lt lt lt sss sss sees sees vesse ennenen 6 3 Photograp as sesso JAGO anana nne I 4 Printed Circuit Board I sss sss nn enengena nengna 8 S Schematic APA coro ERR o 9 5 1 Parea eon Somection PEC AR inc 9 5 2 Ancienne e eer and CC A A cc 9 6 Bil oit IBI RIDE EE ne NEU MOSS 10 6 1 Main Board PFC and DC to DC Converter sn 10 Cu anar CC CV Control
4. A a 12 ensionmenbesten A v v v v nv nv nnns 2 DD 13 PEDES former TMII A cinc A 13 Re Esonant Converter Trans Doris eessen A 14 Sabcmonmanecret Evaluation Board seen A 15 SO cm System Efficiency IO dde MEN NG 15 oa ear actor PF NO o A 16 8 3 Constant Voltage and Current RESTOS 17 SO EN Startup Performance 5 rr corno corno ERE 18 Sar erformance of PEC A cc a JG 18 ios tar Performance of PFC EB o JANGAN 19 8 7 Power On Off Performance of DC to DC Converter 20 ue AMSSIRIDUMIIITICD eror eee rennen ee 21 sl Nora parto nn A 22 SI aW air mance of PEC ss ss sss sss sss sss sss sss O 23 Si Dy namicszeniommance of DC to DC Converter AT 24 8 Wav niaiciecemommance of CC CV Control TTD sss 24 8 13 Tok Up ime tesivot DC to DC Converter qf seen 25 8 14 MOSFET Voltage and Current of DC to DC Converter 25 8 15 Secondary Side Rectifier Diode Voltage and Current 26 8 16 0perat EMEA ERIS AA 9 Revision History A aaaea ES 28 O 2012 Fairchild Semiconductor Corporation 2 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 SSS SSS FAIRCHILD AA SEMICONDUCTOR ww fairchildsemi com This user guide supports the evaluation kit for the FL7930B and FLS1800XS orderable as FEBFLSI800XSICH L11U100A It should be used in conjunction with the FL7930B and FLS1800XS dat
5. Ioap 1 A div CH4 Lic 1 A div time scale 100 ms div ile Vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help B SC i zi i E Ei E 3 Measure P1 ampl C1 P2 ampl C1 P3 duty C2 P4freq C4 P5 rise C1 PB value 11 2 V status 8 1 00 Ardiv 1 940 A ofst 5 00 Vidiv 9 70 Y ofs LeCroy Figure 40 Vprc 400 V lo lA gt 01A gt 1A 8 12 Dynamic Performance of CC CV Control Figure 41 shows the output load current and the output voltage of CC op amp waveforms when the output load is step changed CH1 Vopour cc 2 V div CH4 ILoap 500 mA div time scale 500 ms div File Vertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help a Measure P1 ampl C1 P2 ampl C1 P3 duty C2 P4freq C4 P5 rise C1 PB value 2 181 V status Y Figure 41 Vin 235 Vac lo 0 14 A gt 1 A gt 0 14 A 2012 Fairchild Semiconductor Corporation 24 FEBFLS1800XS1CH L11U100A Rev 1 0 0 FAIRCHILD ww faircllidsemi com SEMICONDUCTOR 8 13 Hold Up Time Test of DC to DC Converter Figure 42 shows the hold up time performance when the AC power source 1s disconnected The output voltage is slowly decreased until FLS1800XS stops operation for about 188 ms when the power source is disconnected CH1 Voyr 50 V div CH2 Vprc 200 V div CH4 Lc 1 A div time scale 100 ms div File Vertical Timebase
6. CH4 bon 1A div time scale 100 ms div 4 357ms gt 4 139 ms i d gei mg lett didi C4 a Measure P1 max C3 P2freq C2 P3 duty C3 P4 freq C4 P5 rise C1 P6 Measure P1 max C3 P2freq C2 P3 duty C3 P4 freq C4 P5 rise C1 Pp value 123V value 69v status Y EN status Y EN 10 0 Vidiv 20 20 V ofst st 20 50 V ofst l f 20 20 V ofst X1 35 1 X2 17407 ms 1 4 7 1984 Hz y 12 Ay 12 y Ed E A Trailing number s in the filename were truncated to allow auto numbering Figure 16 Vin 95 Vac Figure 17 Viu z 265 Vac 3 2 2011 11 43 59 PM 8 5 Startup Performance of PFC Figure 18 and Figure 19 show the typical startup performance on the PFC converter It is possible to have a long startup time at 95 Vac condition rather than 265 Vac condition This time depends on starting resistor and capacitor on board CH1 Voc pec 5 V div CH2 Verc 100 V div time scale 100 ms div l I 4 lt 394 ms a hihihi G i i l a A A Measure P1 max C3 P2freq C2 P3 duty C3 Pa freq C4 P5 rise C1 P6 Measure P1 max C3 P2freq C2 P3 duty C3 P4 freq C4 P5 rise C1 P6 value 420 V value 69v status Y EN status Y EN 200 Vidiv 598 0 V ofst 250k8 5 Edo Mis 35 15ms NE 138 X2 174 07 ms s 7 1984 Hz 250kS 25 0 ositive X1 90 756ms 5432ms B X2 263 564ms 149 2
7. Fairchild Semiconductor Corporation 14 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 FAIRCHILD NAAA ww Ege LE Com SEMICONDUCTOR 8 Performance of Evaluation Board Table 6 Test Condition amp Equipments Ambient Temperature Ta 25 C AC Source ES2000S by NF Ed Electronic Load EML 05B by Fujitsu Power Meter PM6000 by Voltech Oscilloscope Wave runner 104Xi by LeCroy 8 1 Overall System Efficiency Figure 12 shows at least 91 overall system efficiency is achievable with universal input condition at the rated output LED load Efficiency Input Voltage Figure 12 System Efficiency Curve Table 7 System Efficiency Input Voltage 115 Vac 235 Vac 265 Vac put Power V Output Power W 102 77 102 89 103 05 103 16 Efficiency 96 91 73 92 55 95 01 95 11 O 2012 Fairchild Semiconductor Corporation FEBFLS1800XS1CH L11U100A Rev 1 0 0 FAIRCHILD AAN SEMICONDUCTOR ww fairchildsemi com 8 2 Power Factor PF Figure 13 shows at least 89 power factor PF is achievable with universal input condition at the rated output LED load PF Input Voltage Figure 13 Power Factor Curve Table 8 Power Factor Input Voltage 115 Vac 235V ac 265 Vac more sur Figure 14 shows the current harmonic result at the rated output power 100 W and input voltage 230 Vac and 50 HZ condition based on IEC61000 3 class C for lighting application This meets international regulations P
8. Zero Voltage Switching ZVS Internal UniFET 0 95 Q with Fast Recovery Body Diode Fixed Dead Time 350 ns Optimized for MOSFETs Up to 300 kHz Operating Frequency Auto Restart Operation for All Protections with External LVCC Protections Over Voltage Protection OVP Over Current Protection OCP Abnormal Over Current Protection AOCP Internal Thermal Shutdown TSD 1 6 Internal Block Diagram LVcc Vo 1 LVcc Good V Internal REF Bias HUV HUV TE LUV LUV o Level High Side Rr EI L Shifter Gate Driver SI HVcc 10 VcTR AR H Balancing Low Side Delay Gate Driver Shutdown CS Figure 2 Block Diagram of FLS1800XS 2012 Fairchild Semiconductor Corporation 5 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 SSS SSS FAIRCHILD ES ww fairchildsemi gem SEMICONDUCTOR 2 Specifications for Evaluation Board Table 1 Specifications for LED Lighting Lamp geg Voltage 100 V Nominal Output Voltage Current CC Deviation lt 0 79 Line amp Load Regulation 91 73 Efficiency at 85 Vac Line Input Voltage 8 92 55 Efficiency at 115 Vac Line Input Voltage Efficiency Se 95 01 Efficiency at 235 Vac Line Input Voltage 95 11 Efficiency at 265 Vac Line Input Voltage PF THDgsvac 0 986 12 56 PF THD at 85 Vac Line Input Voltage PE THD PF THD145vac 0 989 12 01 PF THD at 115 Vac Line Input
9. 2 R114 R115 R116 39MQJ 6 SMD Resistor 3216 43 R113 75 kQ J SMD Resistor 3216 4 R117 68 kQ J SMD Resistor 3216 R118 24 kQ J SMD Resistor 3216 R120 R133 R201 5 1 Q J SMD Resistor 3216 R121 33 kQ J SMD Resistor 2012 R122 R202 100 kQ J SMD Resistor 2012 R123 390 kQ J SMD Resistor 2012 R127 1 kQ J SMD Resistor 2012 R130 47 kQ J SMD Resistor 2012 R134 2 7 Q J SMD Resistor 2012 R135 5 6 kQ J SMD Resistor 2012 R136 2 kQ J SMD 2012 280 uH EE EER3019N 10 Lp 850 uH LF101 LF102 40mH 2 Line Filter 2 4E e mm N Gen O 2012 Fairchild Semiconductor Corporation 11 FEBFLS1800XS1CH L11U100A Rev 1 0 0 SSS SSS FAIRCHILD A ww fairaflidaBini gom SEMICONDUCTOR 6 2 Sub Board for CC CV Control em No Part Reterence Value om Description O EU samean tos son e rwo mei SM Resistor 226 s me i 3 auge 226 9 RS 4k agen n w mee me Connection a Re Ns eege O 2012 Fairchild Semiconductor Corporation 12 FEBFLS1800XS1CH L11U100A Rev 1 0 0 Bee FAIRCHILD SS ed ww fairchildsemi com SEMICONDUCTOR Ne 7 Transformer Design 7 1 PFC Transformer TM1 S Core EER3019N SAMHWA PL 7 Bobbin 10 pin EER3019N 7 10 1 2 NauxA 9 0 39 5T 9 Np 0 10 50 7 39T Nauxa 0 39 5T 6 3 4 Figure 10 Transformer Specifications amp Construction Table2 Winding Specifications
10. 8223 Hz T 3 2 2011 11 51 02 PM Figure 18 Viu z 95 Vac Figure 19 Vw lt 265 Vac 3 2 2011 11 43 59 PM 2012 Fairchild Semiconductor Corporation 18 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 ww Ege I E TR elgg S FAIRCHILD AAA SEMICONDUCTOR 8 6 Soft Start Performance of PFC Figure 20 through Figure 23 show the soft start performance at output power of 100 W Measured PFC output voltage reaches from 398V to 401 V at input voltage of 95 Vac and 265 Vac CHI Vcc pre 10 V div CH3 Vprc 20 V div time scale 200 ms div c3 c3 y x S A Measure P1 max C3 P2freq C2 P3 duty C 3 P tfreq C4 P5 rise C1 P6 Measure P1 max C3 P2freq C2 P3 duty C 3 P4 fraq C4 P5 rise C1 P6 value 403 0 V value 403 0 V Status y EN status y EN 10 0 Vidiv 19 1 AN bI ES 19 3 3 2011 12 00 41 AM A Trailing number s in the filename were truncated to allow auto numbering Figure 20 Vin 95 Vac Figure 21 Vin 115 Vac c3 c3 y y B Measure P1 max C3 P2freq C2 P3 duty C3 P4 freq C4 P5 rise C1 P6 Measure P1 max C3 P2freq C2 P3 duty C3 P4 freq C4 P5 rise C1 P6 value 398 5 V value 398 9 V status y A status y A 10 0 Vidiw 191 0v ofst 10 0 Vidiv 19 10 V ofst 3 2 2011 11 59 38 PM LeCroy 3 3 2011 12 02 58 AM Figure 22 Vin 235 Vac Figure 23 Vin 265 Vac O 2012 Fairchild Semiconductor Corporation 19 FEBFLS1800XS1CH L11U100A Rev 1 0 0 ww fairc
11. ILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS NOR THE RIGHTS OF OTHERS LIFE SUPPORT POLICY FAIRCHILD S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or systems which a are 2 A critical component is any component of a life support device or intended for surgical implant into the body or b support or sustain system whose failure to perform can be reasonably expected to life or c whose failure to perform when properly used in accordance cause the failure of the life support device or system or to affect its with instructions for use provided in the labeling can be reasonably safety or effectiveness expected to result in significant injury to the user ANTI COUNTERFEITING POLICY Fairchild Semiconductor Corporation s Anti Counterfeiting Policy Fairchild s Anti Counterfeiting Policy is also stated on our external website www fairchildsemi com under Sales Support Counterfeiting of semiconductor parts is a growing problem in the industry All manufacturers of semiconductor products are experiencing counterfeiting of their parts Customers who inadvertently purchase counterfeit parts experience many problems such as loss of brand repu
12. Iac 1 A div time scale 5 ms div Bn Measure P1freq C4 P2 duty C4 P3 duty C 2 value 59 858733 Hz 50 29 status Y Y 1 00 Aidiv 1 960 A ofst 1 00 Ajdiw 1 970 A ofst Figure 32 Vin 95 Vac A P tfreg C4 P5 rise C1 P6 Measure P11req C4 P2 duty C4 P3 duty C 2 P4 freq C4 P5 rise C1 P6 value 59 589074 Hz 51 43 status Ca Y 1 00 A div 1 00 A div 2970 A ofs 1 960 A ofst amp Trailing number s in the filename were truncated to allow auto numbering Figure 33 Vin 115 Vac 2 15 2011 9 15 47 PM a Measure P1 freq C4 P2 duty C4 P3 duty C2 value 59 957071 Hz 51 50 status R RA 1 00 A div 70 A ofet A Trailing number s in the filename were truncated to allow auto numbering Figure 34 2012 Fairchild Semiconductor Corporation Vin 235 Vac a P4 freq C4 P5 rise C1 P6 Measure P1frea C4 P2 duty C4 P3 duty C2 P4 freq C4 P5 rise C1 P6 value 59 024212 Hz 51 68 status Y A 1 00 A div A Trailing number s in the filename were truncated to allow auto numbering Figure 35 Vin 265 Vac 22 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 FAIRCHILD eet ds add d SEMICONDUCTOR 8 10 Dynamic Performance of PFC Figure 36 and Figure 37 show the PFC output voltage changes under about 40V when the input voltage changes from 115 Vac to 235 Vac and from 235 Vac to 115 Vac at the rated output power of 100 W CH1 Vprc 20 V div CH4 IAc 1 A div tim
13. Trigger Display Cursors Measure Math Analysis Utilities Help Ld 41 Ld d ER i Li m E Measure Pi freq C4 P2 duty C1 P3 duty C2 P4freq C4 P5 rise C1 PB value 114 8 kHz status BR A imebase 100 mes 50 0 ms div Stop 250k5 SO0KSisfEdge Negative X1 199194ms Aw 187 54ms X2 11 656ms 1 AX 5 33225 Hz 2 16 2011 1 08 58 AM Figure 42 Vprc 400 V Po 100W 8 14 MOSFET Voltage and Current of DC to DC Converter Figure 43 and Figure 44 show the resonant inductor current low side MOSFET current and low side MOSFET voltage waveforms in the primary side at full load and no load CH2 Vos row 200 V div CH3 Iiic 1 A div CH4 Ip Low 1 A div time scale 5 us div a a Measure P1 freq C3 P2 duty C2 P3 duty C2 P4 freq C4 P5 rise C1 P6 Measure P1 freq C3 P2 duty C2 P3 duty C2 P4 freq C4 PS rise C1 P6 value 117 43705 kHz 50 11 value 116 81697 kHz 50 64 status Y A status R A Figure 43 Verc 400 V Po 100 W Figure 44 Verc 400 V Po 0 W O 2012 Fairchild Semiconductor Corporation 25 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 FAIRCHILD SEMICONDUCTOR ww Ege I E TR 0 8 15 Secondary Side Rectifier Diode Voltage and Current Figure 45 and Figure 46 show the resonant inductor current in the primary side rectifier diode current and the rectifier diode voltage waveforms in the secondary side at full load It shows th
14. Voltage PF THDessvac 0 930 9 8 PF THD at 235 Vac Line Input Voltage PF THD oesvac 0 891 15 47 PF THD at 265 Vac Line Input Voltage All data of the evaluation board was measured with the board enclosed in a case and external temperature of around 25 C O 2012 Fairchild Semiconductor Corporation 6 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 FAIRCHILD NAAA SEMICONDUCTOR 3 Photographs e Bi Z ec E 3 ke ig 6 a 5 A E 3 4 F AIRCHILD A Aa ee SEMICONDUCTOR 7 FEB LOn 101 d Lighting Segment 2 9 3333933 7990999 Figure 4 Bottom Views Dimensions 225 mm L x 80 mm W x 30 mm H 2012 Fairchild Semiconductor Corporation FEBFLS1800XS1CH L11U100A Rev 1 0 0 A amp FAIRCHILD EL o SEMICONDUCTOR A 4 Printed Circuit Board LL T P Da e 3 5 ANT O Figure 5 Top Pattern Figure 6 Bottom Pattern Figure 7 Top Bottom Sub Board CC CV Contol Part Pattern 2012 Fairchild Semiconductor Corporation 8 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 SSS FAIRCHILD ww fairchildsemi com SEMICONDUCTOR Y 5 Schematic 5 1 Power Factor Correction PFC R104 R105 R124 R125 R118 TT D102 PFC D101 DU o S S ZNR2 R115 R121 np C110 Q102 GL II ral R122 ls C105 Du C104 D106 D110 R108 D103 Q101 LF101S Vaux 000 o R116
15. XS power controller includes highly integrated power switches for medium to high power lumens applications Offering everything necessary to build a reliable and robust half bridge resonant converter the FLS1800XS simplifies designs improves productivity and improves performance The FLS1800XS series combines power MOSFETs with fast recovery type body diodes a high side gate drive circuit an accurate current controlled oscillator frequency limit circuit soft start and built in protection functions The high side gate drive circuit has common mode noise cancellation capability which guarantees stable operation with excellent noise immunity The fast recovery body diode of the MOSFETs improves reliability against abnormal operation conditions while minimizing the effects of reverse recovery Using Zero Voltage Switching ZVS dramatically reduces the switching losses and significantly improves efficiency ZVS also reduces switching noise noticeably which enables use of a small sized Electromagnetic Interference EMI filter The FLS1800XS can be applied to resonant converter topologies such as series resonant parallel resonant and LLC resonant converters 2012 Fairchild Semiconductor Corporation 4 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 Bee FAIRCHILD NAAA SEMICONDUCTOR ww fairchildsemi com 1 5 Features Variable Frequency Control with 50 Duty Cycle for Half Bridge Resonant Converter Topology High Efficiency through
16. asheets as well as Fairchild s application notes and technical support team Please visit Fairchild s website at www fairchildsemi com 1 Introduction This document describes a proposed solution for an 100 W LED ballast which consists of a boost converter for power factor correction PFC DC DC converter with LLC resonant converter and LED current and voltage regulation circuitry The input voltage range is 90 Vrms 265 Vrms and there is one DC output with a constant current of 1 0 A at 100 Vmax The power supply mainly utilizes Fairchild semiconductor components FL7930B CRM PFC controller FLS1800XS half bridge LLC controller with power MOSFET LM2904 op amp for LED current and voltage control FDPF12N60NZ UniFET technology N channel MOSFET and FFPFO8H60S hyperfast 2 rectifier This document contains important information e g schematic bill of materials printed circuit layout and transformer design documentation and the typical operating characteristics 1 1 General Description of FL7390B The FL7930B is an active Power Factor Correction PFC controller for low and high power lumens applications that operate in Critical Conduction Mode CRM It uses a voltage mode PWM that compares an internal ramp signal with the error amplifier output to generate a MOSFET turn off signal Because the Voltage Mode CRM PFC controller does not need rectified AC line voltage information it saves the power loss of an input voltage sen
17. e scale 200 ms div GA M A Measure P1 ampl C1 P2 ampl C1 P3 duty C2 P4 freq C4 P5 rise C1 P6 Measure P1 ampl C1 P2 ampl C1 P3 duty C2 P4 freq C4 P5 rise C1 P6 value 336V value status R status 2 20 2011 7 48 27 PM 2 20 2011 7 27 20 PM Figure 36 Vin 115 Vac gt 235 Vac Figure 37 Vin 235 Vac gt 115 Vac Figure 38 and Figure 39 show the PFC output voltage changes about 32 V when the output power changes from 14 W to 100 W and from 100 W to 14 W at input voltage of 235 Vac CH1 Vpec 20 V div CH4 Inc 1 A div time scale 100 ms div j b f LB D H Cd Al C WI N E M DAT Vu di FRE M CAIDA Jd A N AR A R e dl l d i KN 0 Dr ut HRD TT Igi di HUT Nu di 1 407V 409 4V 375 8V 391 2V ka a a Measure P1 ampl C1 P2 ampl C1 P3 duty C 2 P4 fraq C4 P5 rise C1 P6 Measure P1 ampl C1 PZampl C1 P3 duty C 2 P4 fraq C4 P5 rise C1 P6 value 314V value 17 9 V Status R status f Ay 1564 A Trailing number s in the filename were truncated to allow auto numbering 2 20 2011 8 08 10 PM Figure 38 Poz 14 W gt 100 W Figure 39 Po 100 W gt 14 VW O 2012 Fairchild Semiconductor Corporation 23 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 FAIRCHILD Sl ww fairchildsemi com SEMICONDUCTOR 8 11 Dynamic Performance of DC to DC Converter Figure 40 shows the output voltage ripple with pulse load at nominal input voltage CH1 Vour 5 Vac div CH3
18. e soft commutation of the rectifier diodes in the secondary side due to below resonant operation Below resonance operation is preferred for high output voltage applications such as street LED lighting systems where the reverse recovery loss in the rectifier diode is severe time scale 5 us div AMAYA AA VA AAA ARANAIS FP jh Pi freq C4 P5 rise C1 Measure P11req C3 P2 duty C2 P3 duty C 2 P4 freq C4 P5 rise C1 P6 Measure P11rea C4 P2 oun PA duty C 2 value 116 03351 kHz 48 80 96 value 118 94819 kHz status Y A status R ark dd Wi E T roy geg E TUUS Figure 45 Verc 400 V Po 100 W CH2 Vpoo1 100 V Figure 46 Verc 400 V Po 100 W CH2 Vpooi div CH3 liic 1 A div CH4 15201 1 A div 100 V div CH3 1p201 1 A div CH4 ee 1 A div 2012 Fairchild Semiconductor Corporation 26 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 FAIRCHILD AA SEMICONDUCTOR 8 16 Operating Temperature Figure 47 and Figure 48 show the temperature checking results on the board in minimum and maximum input voltage conditions at the rated LED load condition FLIR FLIR Dist 0 5 Trefl 20 0 0 96 Dist 0 5 Trefl 20 0 0 96 Figure 47 Board Temperature Vin 90 Vac Spot 52 3 E Spot 36 4 Box Box Max 55 4 Max 55 9 Circle Circle Max 50 1 E E Max 40 6 e l d n E SFLIR Dist 0 5 Trefl 20 0 0 96 SFLIR Dist 0 5 Trefl 20 0 0 96 Fi
19. gure 48 Board Temperature Vin 265 Vac 2012 Fairchild Semiconductor Corporation 2r FEBFLS1800XS1CH L11U100A Rev 1 0 0 Bee FAIRCHILD Sa ww fairchildsemi com SEMICONDUCTOR X 9 Revision History CAC seen Nov 2012 Initial Release 00000000 Release WARNING AND DISCLAIMER Replace components on the Evaluation Board only with those parts shown on the parts list or Bill of Materials in the Users Guide Contact an authorized Fairchild representative with any questions The Evaluation board or kit is for demonstration purposes only and neither the Board nor this User s Guide constitute a sales contract or create any kind of warranty whether express or implied as to the applications or products involved Fairchild warrantees that its products meet Fairchild s published specifications but does not guarantee that its products work in any specific application Fairchild reserves the right to make changes without notice to any products described herein to improve reliability function or design Either the applicable sales contract signed by Fairchild and Buyer or if no contract exists Fairchild s standard Terms and Conditions on the back of Fairchild invoices govern the terms of sale of the products described herein DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY FUNCTION OR DESIGN FAIRCHILD DOES NOT ASSUME ANY LIAB
20. hildsemi com FAIRCHILD SEMICONDUCTOR 8 7 Power On Off Performance of DC to DC Converter Figure 24 and Figure 25 show the soft start waveforms at full load and light load conditions respectively for the nominal input voltage condition CH2 Marc 50 V div CH4 bye 2 A div time scale 50 ms div ES A Measure P1 freq C4 P2 duty C1 P3 duty C2 Pi freq C4 PS rise C1 P6 Measure P1treg C4 P2 duty C1 P3 duty C2 P4 freq C4 PS rise C1 P6 value 124 5 kHz 49 82 value 4 9 kHz 52 29 status R R status R R Figure 24 Vprc 400 V Po 100 W Figure 25 Vprc 400 V Po 10 W Figure 26 shows the startup waveforms when the input voltage source 1s supplied first then the Vcc of 16 V is applied from the auxiliary winding of the PFC transformer Figure 27 shows the shutdown waveforms when the input voltage source is turned off When the DC bus voltage reaches about 260 V the external brownout circuit disconnects Vcc from FLS1800XS so it stops operation CH1 Vcc rc 10 V div CH2 Mere 200 V div CH4 Ij c 2 A div B Measure P1frea C4 P2 duty C1 P3 duty C2 P4 freq C4 P5 rise C1 P6 Measure P1frea C4 P2 duty C1 P3 duty C2 P4 freq C4 P5 rise C1 P6 value 125 2 kHz 99 78 value 114 2 kHz 58 56 status R EN status R R 2 16 2011 12 47 37 AM 2 16 2011 1 45 31 AM Figure 26 Vprc 400 V Po 100 W StartupTime Figure 27 Verc 400 V Po 10 W Shutdown Scale 100
21. ms div Time Scale 50 ms div O 2012 Fairchild Semiconductor Corporation 20 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 FAIRCHILD Sd ww fairchildsemi om SEMICONDUCTOR 8 8 AC Input Current Figure 28 through Figure 31 show the AC input current waveforms at the rated output power of 100 W and input voltage of 95 Vac and 265 Vac CH4 Iac 500 mA div time scale 10 ms div Measure P1 freq C4 P2 ampl C2 P3 duty C 2 P tfreg C4 P5 rise C1 P6 Measure P1treg C4 P2 ampl C2 P3 duty C 2 P tfreg C4 P5 rise C1 P6 value 59 59257 Hz value 59 97589 Hz status Y status Y A Trailing number s in the filename were truncated to allow auto numbering Figure 28 V 95 Vac Figure 29 Vin 115 Vac B a Measure P1frea C4 P2ampl C2 P3 duty C2 P4 freq C4 P5 rise C1 P6 Measure P1frea C4 P2ampl C2 P3 duty C2 P4 freq C4 P5 rise C1 P6 value 60 06006 Hz value 59 83151 Hz status Y status A A Trailing number s in the filename were truncated to allow auto numbering Figure 30 Vin 235 Vac Figure 31 Vin 265 Vac 2 10 2011 1 41 01 AM 2012 Fairchild Semiconductor Corporation 21 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 FAIRCHILD SEMICONDUCTOR ww fairchildsemi com 8 9 Normal Operation of PFC Figure 32 through Figure 35 show the AC input and MOSFET drain current waveforms at the rated output power of 100 W and input voltage of 95 Vac and 265 Vac CH3 Ip prc 500 mV div CH4
22. ower Factor 0 958 Reading 2 2 0 x Normalised Limit 1 5 x Normalised Limit Normalised Limit 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 lt Previous Next gt Figure 14 Total Harmonic Distortion THD O 2012 Fairchild Semiconductor Corporation 16 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 Bee FAIRCHILD AA A com SEMICONDUCTOR 8 3 Constant Voltage and Current Regulation Figure 15 Table 9 and Table 10 show the typical CC CV performance on the board displaying very stable CC performance over a wide input range Output Voltage V Output Current A Figure 15 Constant Voltage and Current Regulation Measured by E Load CR Mode Table 9 Output Voltage Regulation Performance pagn w am oo em sb ow mo Output Current IMA 7 oo Table 10 Output Voltage Current Regulation Performance in CV CC Region minimum Output mu MEA CC CV O 2012 Fairchild Semiconductor Corporation 17 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 FAIRCHILD AAA SEMICONDUCTOR ww fairchildsemi com 8 4 Overall Startup Performance Figure 16 and Figure 17 show the startup performance including boost converter LLC resonant converter and CV CC circuitry The output load current starts flowing after about 357 ms and 139 ms for input voltage of 90 Vac and 265 Vac when the AC input power switch is turned on CH1 Vcc pre 10 V div CH2 Voc ric 10 V div CH3 Vcc cc cv 10 V div
23. sing network necessary for a Current Mode CRM PFC controller FL7930 provides over voltage open feedback over current input voltage absent detection and under voltage lockout protections The FL7930B can be disabled if the INV pin voltage is lower than 0 45 V and the operating current decreases to a very low level Using a new variable on time control method Total Harmonic Distortion THD is lower than the conventional CRM boost PFC ICs The FL7930B provides an additional OVP pin that can be used to shutdown the boost power stage when output voltage exceeds OVP level due to damaged resistors connected at the INV pin 1 2 Features ow Total Harmonic Distortion THD Precise Adjustable Output Over Voltage Protection OVP Open Feedback Protection and Disable Function Zero Current Detector ZCD 150 us Internal Startup Timer MOSFET Over Current Protection OCP Under Voltage Lockout with 3 5 V Hysteresis UVLO Low Startup 40 uA and Operating Current 1 5 mA Totem Pole Output with High State Clamp 500 800 mA Peak Gate Drive Current SOP 8 Packaging 2012 Fairchild Semiconductor Corporation 3 FEBFLS1800XS1CH_L11U100A Rev 1 0 0 SSS SSS FAIRCHILD SS ed ww fairchildsemi com SEMICONDUCTOR br 1 3 Internal Block Diagram THD Optimized Sawtooth Generator Vos Thermal Shutdown FL7930B Figure 1 Block Diagram of FL7930B 1 4 General Description of FLS1800XS The FLS1800
24. tation substandard performance failed applications and increased cost of production and manufacturing delays Fairchild is taking strong measures to protect ourselves and our customers from the proliferation of counterfeit parts Fairchild strongly encourages customers to purchase Fairchild parts either directly from Fairchild or from Authorized Fairchild Distributors who are listed by country on our web page cited above Products customers buy either from Fairchild directly or from Authorized Fairchild Distributors are genuine parts have full traceability meet Fairchild s quality standards for handling and storage and provide access to Fairchild s full range of up to date technical and product information Fairchild and our Authorized Distributors will stand behind all warranties and will appropriately address any warranty issues that may arise Fairchild will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources Fairchild is committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors 2012 Fairchild Semiconductor Corporation 28 FEBFLS1800XS1CH_L11U100A Rev 1 0 0
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