User Guide for FEBFL7733A_L51U030A
Contents
1. Figure 9 Transformer Winding Structure Table 2 Winding Specifications ma Insulation Polyester Tape t 0 025mm 3Layers SEN w Leo Trema Solenoid Winding Insulation Polyester Tape t 0 025 mm 3Layers Insulation Polyester Tape t 0 025 mm 3Layers 10 gt 11 0 259 Solenoid Winding Insulation Polyester Tape t 0 025 mm 3 Layer Table 3 Electrical Characteristics Pin Specifications Remark Inductance 6 7 280 uH 10 60 kHz 1 V Leakage 6 7 5 UH 60 kHz 1 V Short All Output Pins 2014 Fairchild Semiconductor Corporation 11 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 8 Evaluation Board Performance Table 4 Test Condition amp Equipment List Ambient Temperature Ta 25 C AC Power Source PCR500L by Kikusui Power Analyzer PZ4000000 by Yokogawa Electronic Load PLZ303WH by KIKUSUI Test Equipment Multi Meter 2002 by KEITHLEY 45 by FLUKE Oscilloscope 104Xi by LeCroy Thermometer Thermal CAM SC640 by FLIR SYSTEMS LED EHP AX08EL GTO1H P03 3W by Everlight 2014 Fairchild Semiconductor Corporation 12 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 8 1 Startup Figure 10 and Figure 11 show the overall startup performance at rated output load The output load current starts flowing after about 0 2 s for input voltage 90 Vac and 0 12 s for 300 Vac condition upon AC input power switch turns on CHI Vpp 10 V div CH2 Vin 200 V div2. CH3 Vi gp 20 V div CH4 I gp 500 mA div Time Scale 200 ms div Load 16 series LEDs LeCroy LeCroy 0 128 5 lt _ A a PAP REATO Pan an aman am an an annm am al g 7 OO JUR D Met alle i 70 0 Wi P 365 1 Viele 30 0 vidi CETTE E 365 0 20 5 Poke Edge Perd ADIN V obs 1 00 NS S00 kau Edge Posies DIN de 284T1 m d s 14 L 38 70 W Mie PRADA d 124138 m m dud Vie 210 DIS pe li e 5 JHO hr m N Mie 152544ma dite 0557 ME a N Cr M Figure 10 Vin 90 Vac 60 Hz Figure 11 Vin 300 Vac 50 Hz 2014 Fairchild Semiconductor Corporation 13 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 8 2 Operation Waveforms Figure 12 to Figure 15 show AC input and output waveforms at rated output load CH1 In 500 mA div CH2 Vm 200 V div CH3 Vigp 20 V div CH4 her 500 mA div Time Scale 5 ms div Load 16 series LEDs Leroy Leroy A 550 pa 1 5000 A Figure 12 Vy 90 Vac 60 Hz Figure 13 Vin 120 Vac 60 Hz Figure 14 Vn 230 Vac 50 Hz Figure 15 Vin 300 Vac 50 Hz 2014 Fairchild Semiconductor Corporation 14 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD Figure 16 to Figure 19 show key waveforms of single stage flyback converter operation for line voltage at rated output load CH1 Ips 1 00 A div CH2 Vps 200 V div CH3 Vsgc piode 200 V div CH4 Isgc pioae 2 00 A div Load 16 series LEDs D A Timebas
3. 51 29 29 70 91 01 230 Vac 50 Hz 32 65 0 579 01 25 29 67 90 88 140 Vac 60 Hz 32 63 0 577 51 30 29 61 90 75 300 Vac 50 Hz 32 86 51 23 29 66 90 27 2014 Fairchild Semiconductor Corporation 21 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 92 91 V O O O p Q 2 90 Ges ea 89 F CPF850N80Z F CPF1300N80Z EQPF8N80C 88 90Vac 120Vac 140Vac 180Vac 230Vac 265Vac 300Vac Input Voltage Figure 33 System Efficiency Fairchild s super junction devices utilizing the charge balance theory can reduce the on resistance of high voltage MOSFETs Since conduction losses are directly proportional to on resistance it can provide a great advantage for conduction losses in low line input conditions especially In addition faster switching transients of super junction MOSFET can reduce switching losses occurred by parasitic capacitances during switching transients System efficiency can vary according to MOSFET types over input voltages 90 300 Vac 2014 Fairchild Semiconductor Corporation 22 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 8 7 Power Factor PF amp Total Harmonic Distortion THD The FL7733A s evaluation board shows excellent PF and THD performance The results were measured using actual rated LED loads 30 minutes after startup 1 000 s 30 0 0 995 0 900 24 0 0 874 0 800 4 18 0 GD a 0 700 12 0 5 93 5 12 3 41 7 2 5896 0 500 2 3
4. 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 reputation substandard performance failed applications and increased cost of production and manufacturing delays Fairchild is taking strong measures to protect our
5. 0 Hz 577 582 0 43 180 Vac 50 Hz 575 581 0 52 230 Vac 50 Hz 573 580 0 61 300 Vac 50 Hz 572 578 0 52 Table 6 Constant Current Regulation by Line Voltage Change 90 300 Vac Output 90 VAC 120 Vac 140 Vac 180 Vac 230 Vac 300 Vac Tolerance Voltage 60 Hz 60 Hz 60 Hz 50 Hz 50 Hz 50 Hz 55 V o 3 mA 575 mA 575 mA 577 mA 576 mA 573 mA 0 35 52 V 573 MA 575 mA 575 mA 578 mA 576 mA 573 mA 0 43 49 V 575 mA 576 mA 576 mA 578 mA 577 mA 575 mA 0 26 46 V 577 MA 578 mA 578 mA 579 mA 578 mA 576 mA 0 26 2014 Fairchild Semiconductor Corporation FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 8 4 Short Open LED Protections Figure 21 to Figure 24 shows the operating waveforms when the LED short protection is triggered and recovered Once the LED short occurs SLP is triggered and Vpp starts Hiccup Mode with JFET regulation times 250 ms This lasts until the fault condition is removed Systems can restart automatically when the output load returns to normal condition CHI VGATE 5 V div TIS N np 10 V div CH3 VIN 200 V div larr 500 mA div Time Scale 1 00 s div A R 0i Vidi T MIC 200 vidi H mv affeed 0 00 V offset t V offert Figure 21 Vin 90 Vac 60 Hz LED Short Leroy LED Short A OK t v piee 1 5008 4 Figure 23 Vin 300 Vac 50 Hz LED Short 2014 Fairchild Semiconductor Corporation Au
6. 2 2 12 0 094 90 Vac 120 Vac 140 Vac 180 Vac 230Vac 300Vac Input Voltage Figure 34 Power Factor amp Total Harmonic Distortion Table 8 Power Factor amp Total Harmonic Distortion Input Voltage Output Current A Output Voltage V Power Factor THD 96 90 Vac 60 Hz 0 576 51 31 0 995 5 12 120 Vac 60 Hz 0 577 51 30 0 992 2 32 140 Vac 60 Hz 0 577 51 30 0 987 2 12 180 Vac 50 Hz 0 579 51 29 0 976 2 58 230 Vac 50 Hz 0 579 51 25 0 946 3 41 300 Vac 50 Hz 0 579 51 23 0 874 5 93 23 2014 Fairchild Semiconductor Corporation FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 8 8 Harmonics Figure 35 to Figure 38 show current harmonics measured using actual rated LED loads E IEC6100 3 2 Class C E 90 VAC 60Hz 95 of Fundamental 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 Harmonic Number Figure 35 Vin 90 Vac 60 Hz IEC6100 3 2 Class C m 120 VAC 60Hz 4 of Fundamental 3 5 T 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 Harmonic Number Figure 36 Vin 120 Vac 60 Hz 2014 Fairchild Semiconductor Corporation 24 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD m IEC6100 3 2 Class C m 230 VAC 50Hz of Fundamental 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 Harmonic Number Figure 37 Vin 230 Vac 50 Hz m IEC6100 3 2 Class C m 300 VAC 50Hz OG of Fundamental 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 Ha
7. A Figure 6 Bottom Pattern 2014 Fairchild Semiconductor Corporation 7 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 5 Evaluation Board Schematic 50V 1 GND R25 R20 GA ZD1 Co2 Q2 B RENE C10 Co1 R17 ER Do1 D3 C7 U2 T1 RM10 12P D5 Figure 7 Schematic Notes 1 Dimming with A DIM voltage 0 to 10 V analog dimming signal should be input to Con 3 2 Dimming with Variable Resistor R21 Please short Con 3 s pin 1 to pin 2 with jumper wire 3 Minimum current set The current setting must be above 1096 of nominal current level of this board to avoid triggering SRSP 2014 Fairchild Semiconductor Corporation 8 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 6 Evaluation Board Bill of Materials Part Se B32922D3334K 330 nE 310 Vac X Capacitor 39200203 04K 100 nF 310 Vac X Capacitor Co1 Co2 KMG 470 uF 63 V 470 uF 63 V Electrolytic Capacitor MPE 630 V 154K 150 nF 630 V MPE Film Capacitor el cg C1206C103KDRACTU 10 nF 630 V SMD Capacitor 1206 KMG 10 UF 35 V 10 uF 35 V Electrolytic Capacitor al ce C0805C104K5RACTU 100 nF 50 V SMD Capacitor 2012 e os coscscstecacactu 1 51pF 25 V SMD Capacitor 2012 COBOSCZOSKARACTU 1 2 2 uF 16 V SMD Capacitor 2012 KMG 10 UF 50 V 10 uF 50 V Electrolytic Capacitor SOFz2E472M10BW 47 nF 1280 V Y Capacitor COBOSCIOAKSRACTU 1 1OnF25 V SMD Capacitor 2012 w wm Ll C0805C101K5GALTU 100 pF 50 V SMD C
8. FAIRCHILD User Guide for FEBFL7733A L51U030A High PF Low THD Wide Input Voltage Range Flyback LED Driver with Analog Dimming Function for 30 W LED Lamp Featured Fairchild Product FL7733A Direct questions or comments about this evaluation board to Worldwide Direct Support Fairchild Semiconductor com 2014 Fairchild Semiconductor Corporation 1 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD Table of Contents LN e ee e PEN 3 1 1 General Description of FL7733A EEN 3 Woe COn o Ne eo 101 6 oh a a a 3 1 3 Controller Internal Block Diagram ss 4 2 Evaluation Board Specifications SeA sss cce ccs essa ases trs aee neee nene 5 3 Evaluation Board Photographs SST ereere etos senes eneon nee 6 4 Evaluation Board Printed Circuit Board DCH 7 5 Evaluation Board Schematic RER den s ec c s s ennan nean N 6 Evaluation rel Bill of Material BI sss s oss sons 9 7 TranstotamsmalD ESTO cesse 11 6 Evalsateniise slbeaormance Eme ERES 12 IS TARDE nen EEN NOD 13 ONE Oe Sen ue Torg ERROR nu EE 14 EES Brent Regulation EE seenen EEN 16 scusa 9pen LED Protection 17 Deua aImming ER ds RET 19 06 EIER ur EEN see 21 8 7 Power Factor PF amp Total Harmonic Distortion THD eene 23 DECREBIENIBREOLYICS eeee coco SN EET T 24 Gr ng Temperature EENEG eessen unn EET 26 sum Tcctromagnetic Interference
9. Figure 31 When A dim voltage is zero diode current Ip of a photo coupler is increased by R2 value and COMI voltage VCOMI charged at COMI capacitor co is discharged by transistor of the photo coupler and then LED current 1s reduced because VCOMI level determines turn on time of main power MOSFET In addition Ip can be controlled by variable resistor that rotates user friendly and closed A Dim terminal 2014 Fairchild Semiconductor Corporation 19 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD D a S Ns Co Vour Figure 30 Analog Dimming by A DIM Voltage Vin VN Ne S Ns Ca Vour Cvoo NA Ne Von Ri Q LGT Z C ZD R2 D4 Ip xd U lt Jun K i HT Ccowi U ST VR Dim 0 10V IVA Figure 31 Analog Dimming by Variable Resistor 2014 Fairchild Semiconductor Corporation 20 FEBFL7733A_L51U030A Rev 1 0 0 FAIRCHILD 8 6 Efficiency System efficiency is 89 46 91 01 over input voltages 90 300 Vac The results were measured using actual rated LED loads 30 minutes after startup 95 90 90 75 91 0170 90 88 90 44 89 46 UE 85 80 715 4 Efficiency 70 65 90Vac 120Vac 140Vac 180Vac 230Vac 300Vac Input Voltage Figure 32 System Efficiency Table 7 System Efficiency I nut Voltaae Input Power Output Output Output Efficiency H g W Current A Voltage V Power W 180 Vac 50 Hz 32 63 0 579
10. MENDE eeaeee reenen e 27 3 SEV OION 15 NKO ne eene eneen nnr 28 2014 Fairchild Semiconductor Corporation 2 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD This user guide supports the evaluation kit for the FL7733A It should be used in conjunction with the FL7733A datasheet as well as Fairchild s application notes and technical support team Please visit Fairchild s website at www fairchildsemi com 1 Introduction 1 1 1 2 This document describes LED driver designed with flyback converter using the FL7733A Primary Side Regulation PSR single stage controller The input voltage range is 90 Vrms 300 Vrms and there is one DC output with a constant current of 0 58 A at 52 V This document contains a general description of the FL7733A the power supply solution specification schematic bill of materials and typical operating characteristics with analog dimming function General Description of FL7733A The FL7733A is an active Power Factor Correction PFC controller for use in single stage flyback topology or buck boost topology Primary side regulation and single stage topology minimize cost by reducing external components such as the input bulk capacitor and secondary side feedback circuitry To improve power factor and Total Harmonic Distortion THD constant on time control is utilized with an internal error amplifier and a low bandwidth compensator Precise constant current control provides ac
11. U030A Rev 1 0 0 FAIRCHILD 9 Revision History rev oe Description Oct 2014 Initial 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 LIABILITY 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
12. apacitor 2012 16 Do1 ES3J 1 600 V 3 A Fast Rectifier E Semiconductor 17 D1 RS1M 1 1000 V 1 A Ultra Fast Recovery Diode EA Semiconductor Fairchild 18 D2 D3 1N4003 2 200 V 1 A General Purpose Rectifier Semiconductor 19 D5 LL4148 1 Small Signal Diode ET Semiconductor 20 U2 FOD817A 1 OPTOCOUPLER 4 Pin Fairchild Semiconductor B82733F 40 mH Common Inductor EPCOS MOV 1 SVC561D 10A Metal Oxide Varistor Fairchild 24 Q1 FCPF850N80Z 1 800 V 850 mQ N Channel MOSFET Semiconductor 25 MMBT2222AT NPN General Purpose Amplifier os Semiconductor at N RCT206 R O747KQ 47 KO SMD Resistor 1208 ES ii po R3 RC1206JR 0710KL e 10 kO SMD Resistor 1206 mr R4 R5 R6 RC1206JR 07100KL 100 kO SMD Resistor 1206 2014 Fairchild Semiconductor Corporation 9 FEBFL7733A L51U030A Rev 1 0 0 Zz Pari Part Number Description SC RC1206JR 0710ROL 0710ROL 00 0Q SMDResistor 1206 Resistor 1206 Yageo LN EE UM m Us me eenn T eR ape me wmm 2 Fe omc owes 1 ocam Def om om i 2m Le me ame 4 nger 2014 Fairchild Semiconductor Corporation 10 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 7 Transformer Design 12 11 Top View Nez E N 5 6 10 12 3 5 6 11 2 Figure 8 Transformer RM10 s Bobbin Structure and Pin Configuration J Nei 23 Np2 9 7 00000000000000000000000000000000000999 0600000000000 Np1 6 9 00000000000000000000000000000000000000
13. curate output current independent of input voltage and output voltage Operating frequency is proportionally changed by the output voltage to guarantee Discontinuous Current Mode DCM operation resulting in high efficiency and simple designs The FL7733A also provides open LED short LED and over temperature protection functions Controller Features High Performance lt 3 Total Constant Current Tolerance Over All Conditions lt 1 Over Universal Line Voltage Variation lt 1 from 50 to 100 Load Voltage Variation lt 1 with 20 Magnetizing Inductance Variation Primary Side Regulation PSR Control for Cost Effective Solution without Requiring Input Bulk Capacitor and Secondary Feedback Circuitry Application Input Voltage Range 80 Vac 308 Vac High PF and Low THD Over Universal Line Input Range Fast lt 200 ms Startup at 90 Vac using Internal High Voltage Startup with VDD Regulation Adaptive Feedback Loop Control for Startup without Overshoot High Reliability LED Short Open Protection Output Diode Short Protection Sensing Resistor Short Open Protection Vpn Over Voltage Protection OVP RS Vpn Under Voltage Lockout UVLO Over Temperature Protection OTP All Protections by Auto Restart RS Cycle by Cycle Current Limit Application Voltage Range 80 Vac 308 Vac 2014 Fairchild Semiconductor Corporation 3 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 1 3 Controller Internal Bloc
14. e Dm tigger D W TE 300 Vid 2 00 Aan 2 0U reet Shp 174 V 1 00 Aldi OU Voli 200 Wide H D m fei BC D Y gisi DD A oft UI CRL ET IC D m ofr H D N offset BCE D Y gisi Figure 16 Vin 90 Vac 60 Hz 2 0 ms div Figure 17 Vin 90 Vac 60 Hz 5 0 ps div Leroy Leroy 700 WGN 1 00 Ad 700 Vidi KC BO DY ated 1 0 mA ote H D V offset Figure 18 Vn 300 Vac 60 Hz 2 0 ms div Figure 19 Vi 300 Vac 60 Hz 5 0 us div E n 5n trigger AIS 2 00 miij ae HA 10 NS Sedge Poren 2014 Fairchild Semiconductor Corporation 15 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 8 3 Constant Current Regulation The maximum output current deviation for wide output voltage ranges from 25 V to 55 V is less than 0 61 at each line voltage Line regulation at the output voltage 52 V is also less than 0 43 as shown Figure 20 The results were measured with E load CR Mode 300Vac 50Hz 230Vac 50Hz m 180Vac 50Hz t 0 43 Ic 140Vac 60Hz A 120Vac 60Hz 90Vac 60Hz H 0 87 gt 0 100 200 300 400 500 600 700 Output Current mA Figure 20 Constant Current Regulation Table 5 Constant Current Regulation by Output Voltage Change 25 55 V Input Voltage Min Current mA Max Current mA Tolerance 90 Vac 60 Hz 573 578 0 43 120 Vac 60 Hz 576 580 0 35 140 Vac 6
15. e Negatives Figure 28 Vin 300 Vac 50 Hz LED Restore GK Ko 4 When the LED load is re connected after open LED condition the output capacitor is quickly discharged through the LED load and the inrush current by the discharge could destroy the LED load 2014 Fairchild Semiconductor Corporation FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 8 5 Analog Dimming The FL7733A s evaluation board features analog dimming function which is implemented with only a few external components The converter output current at the rated line voltage can be adjusted within the range of 10 to 100 of the nominal current value through 0 to 10 V A DIM signal as shown in Figure 29 700 600 500 400 300 lour mA 200 5 120 Vac 60Hz 100 230 Vac 50Hz 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 A DIM V Figure 29 Analog Dimming External Circuits for Analog Dimming Analog dimming function can be implemented by controlling COMI voltage which determines the turn on time of main power MOSFET Figure 30 shows an example analog dimming circuit for the FL7733A which uses a photo coupler so the LED current can be controlled by the dimming signal A Dim at the secondary side of the isolation transformer To control A Dim signal with voltage range from O to 10 V in secondary side the certain DC voltage regulated may be used and it can be used to control LED brightness with variable resistor as shown in
16. k Diagram Shutdown HV Max Duty Controller Gate Driver 250 ms Timer Mon VDD a E Compensator DCM Controller tois TRUECURRENT N C AV SLP Sample amp Hold Figure 1 Block Diagram of the FL7733A 2014 Fairchild Semiconductor Corporation 4 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 2 Evaluation Board Specifications Table 1 Specifications for LED Lighting Load mme n eons tne M lourwowmaL Nominal Output Current 89 46 Efficiency at 90 Vac Input Voltage 90 44 Efficiency at 120 Vac Input Voltage 90 75 Efficiency at 140 Vac Input Voltage Efficiency PF THD Max Temperature Open Frame Rectifier Vo 7680C Secondary Diode Temperature Ta 25 C TA 67 2 C Transformer Temperature All data of the evaluation board measured with the board was enclosed in a case and external temperature around T1 25 C 2014 Fairchild Semiconductor Corporation 5 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 3 Evaluation Board Photographs Dimensions 155 mm L x 28 mm W x 25 mm H Figure 2 Top View Q FA IRCH ILD E BEMICONDUCTOR FEB L051 1 0 0 Figure 3 Bottom View Figure 4 Side View 2014 Fairchild Semiconductor Corporation 6 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 4 Evaluation Board Printed Circuit Board PCB Unit mm OUTPUT X j 3 VD In 0 Ei GJIHOASIA3 EH AOTIUIHOIIN3E 9 0 f 1203 833
17. rmonic Number Figure 38 Vin 300 Vac 50 Hz 2014 Fairchild Semiconductor Corporation 25 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 8 9 Operating Temperature The results were measured using actual rated LED loads 60 minutes after startup TM Top A ao CH 67 2 Transformer 63 1 C Transformer 67 2 C MOSFET 644 C FLIR FLIR Dist 1 0 Trefl 20 0 0 95 1 Dist 1 0 Trefl 20 0 2 0 95 Figure 39 Vin 90 Vac 60 Hz Figure 40 Vin 300 Vac 50 Hz ALAA AA C Bottom aE Bottom ZIL 76 0 Rectifier 74 9 C Rectifier 76 0 C FLIR FLIR Dist 1 0 Trefl 20 0 0 95 Dist 1 0 Trefl 20 0 0 95 Figure 41 Vu 90 Vac 60 Hz Figure 42 Vin 300 Vac 50 Hz Note 5 The IC temperature can be improved by the PCB layout 2014 Fairchild Semiconductor Corporation 26 FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD 8 10 Electromagnetic Interference EMI All measurements were conducted in observance of EN55022 criteria The results were measured using actual rated LED loads 30 minutes after startup 140 130 110 100 Level in dBZ 9k 20 30 50 100k 200 300 500 1M 2M SM 5M 10M 20 SOM Frequency in Hz Figure 43 Vin 110 Vac Neutral 130 120 110 100 Level in dB d 9k 20 30 50 100k 200 300 500 1M 2M 3M 5M 10M 20 SOM Frequency in Hz Figure 44 Vin 220 Vac Live 2014 Fairchild Semiconductor Corporation 2f FEBFL7733A L51
18. selves 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 2014 Fairchild Semiconductor Corporation 28 FEBFL7733A L51U030A Rev 1 0 0
19. to Restart A Ca z Hell 100 Sci Stop S20 mA A 5 00 vidi 10 0 Weer S00 IN D mV oiee OK EH 21 5006 VOLLER PLN Figure 22 Vin 90 Vac 60 Hz LED Restore Leroy Auto Restart a IS A Maron DK 300 Vid 500 md Rot BUDE OKT t v offert 1 5000 4 1 00 NS 100 L3 Figure 24 Vin 300 Vac 50 Hz LED Restore FEBFL7733A L51U030A Rev 1 0 0 FAIRCHILD Figure 25 to Figure 28 shows the operating waveforms when the LED open condition is triggered and recovered Once the output goes open circuit Vs OVP or Vpp OVP are triggered and Vpp starts Hiccup Mode with JFET regulation times 250 ms This lasts until the fault condition is eliminated Systems can restart automatically when returned to normal condition CH1 Voare 5 V div CH2 Vpp 10 V div CH3 Vm 200 V div Iour 500 mA div Time Scale 1 00 s div 5 LED Open A A Timebase DM Trage 5 n adi 10 0 VSN 300 vid P Qin ofrei OK Qt V oael Figure 25 Vin 90 Vac 60 Hz LED Open Leroy Auto Restart 5 D vidi LEES rnv affeed 0 00 V offset Figure 26 Vin 90 Vac 60 Hz LED Restore Times Tigger IS Pot Son A9 DM 1 00 NS a UL 108 Leroy LED Open A N ei c D 00 rigge Dir DKCH 200 vidiv 51 0 Vidi Bo VUE S Si DV D n sat DV oani nir VOLLER PLC Figure 27 Vin 300 Vac 50 Hz LED Open Note oner eg Auto Restart Sep TT OK OV oael 1 00 NS 100 kas Edg
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