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FEBFAN7688SJXA_CP14U306

• Rev. 1.1

User Guide for

FEBFAN7688SJXA_CP14U306

Evaluation Board

306 W/12 V PC Application

with 12 V

Module

Evaluation Board

Featured Fairchild Product:

FAN7688

Direct questions or comments

about this evaluation board to:

“Worldwide Direct Support”

Fairchild Semiconductor.com

Содержание FEBFAN7688SJXA_CP14U306

Страница 1: ...1 1 User Guide for FEBFAN7688SJXA_CP14U306 Evaluation Board 306 W 12 V PC Application with 12 VSB Module Evaluation Board Featured Fairchild Product FAN7688 Direct questions or comments about this ev...

Страница 2: ...se Transformer TX2 14 7 4 Current Transformer TX4 15 7 5 PFC Inductor L3 16 7 6 12 V Standby Transformer TX3 17 7 7 EMI Choke L1 L2 18 8 Test Conditions Test Equipment 19 8 1 Features 19 9 Performance...

Страница 3: ...f the power stage simplifying the feedback loop design while allowing true input power limit capability The PFC is controlled by the FAN6982 based on Continuous Conduction Mode CCM which employs leadi...

Страница 4: ...ciency Eff Meet 80PLUS Platinum Input Voltage VAC 90 264 V Input Frequency 47 63 Hz PFC Output Voltage VPFC 356 V 392 V Output Voltage VOUT 12 V 100 Load 300 W 12 V Standby Output V12VSB 12 V 100 Load...

Страница 5: ...2015 Fairchild Semiconductor Corporation 5 FEBFAN7688SJXA_CP14U306 Rev 1 1 4 Printed Circuit Board PCB Figure 2 Top Side of Evaluation Board Figure 3 Bottom Side of Evaluation Board...

Страница 6: ...2015 Fairchild Semiconductor Corporation 6 FEBFAN7688SJXA_CP14U306 Rev 1 1 5 Schematic Figure 4 Evaluation Board Schematic...

Страница 7: ...7 nF C0603 X7R 10 50 V 11 C33 C34 2 10 nF C0603 X7R 10 50 V 12 C39 1 22 nF C0603 X7R 10 50 V 13 C20 C36 C37 3 100 nF C0603 X7R 10 50 V 14 C48 1 220 nF C0603 X7R 10 50 V 15 C32 C49 2 470 nF C0603 X7R 1...

Страница 8: ...6 R114 3 15 K R0603 1 45 R12 R17 R22 R32 R33 R39 R54 R57 R102 R104 R110 11 20 K R0603 1 46 R68 R101 2 24 9 K R0603 1 47 R59 R119 2 27 K R0603 1 48 R52 1 27 4 K R0603 1 49 R51 1 36 K R0603 1 50 R37 1 3...

Страница 9: ...or 50 V 105 C 5 11 mm LHK HONJU 80 C29 1 220 F Electrolytic Capacitor 16 V 105 C 6 3 11 mm GF SAMXON 81 C7 1 270 F Electrolytic Capacitor 450 V 105 C 25 45 mm LP SAMXON 82 C27 1 470 F Solid Capacitor...

Страница 10: ...airchild 105 U4 U6 2 FODM121C MFP 4L Fairchild 106 U5 1 KA431LZTA TO 92R Fairchild 107 U8 U9 U10 3 LM358M SO 8L Fairchild 108 L1 L2 2 SN20128A EMI Choke FORMOSA SHING GA 109 L3 1 Inductor QP2920H 420...

Страница 11: ...nufacturer 126 1 Heat Shrinkable Tubing 3 15 mm 127 1 Heat Shrinkable Tubing 6 20 mm 128 3 MCH0040 Bead Core C8B 3 5 3 2 1 0 129 4 Bushing TO220 602M 130 4 Silicone Sheet TO 220 131 2 Screws 3 12 mm 1...

Страница 12: ...Tape t 0 025 mm 3 Layer 3 N2 10 9 Copper foil 0 3 mm 3T W 15 mm Copper Foil to Pin 0 7 2 3 N2 N3 are the same copper foil 4 N3 9 11 12 3 5 Insulation Polyester Tape t 0 025 mm 3 Layer 6 N4 4 3 0 7 1 2...

Страница 13: ...re EQ20 TP5 Bobbin 10 Pins Figure 6 Transformer Specifications of L4 Table 4 Winding Specifications No Winding Pin S F Wire Turns Winding Method 1 N1 1 5 0 1 40 24 Solenoid Winding Table 5 Electrical...

Страница 14: ...Turns Winding Method 1 N1 3 5 0 2 1 15 Solenoid Winding 2 Insulation Polyester Tape t 0 025 mm 3 Layer 3 N2 9 10 0 15 1 18 Solenoid Winding Transformer Triple Wire 4 Insulation Polyester Tape t 0 025...

Страница 15: ...ns of TX4 Table 8 Winding Specifications No Winding Pin S F Wire Turns Winding Method 1 N1 4 3 0 1 50 0 75 Solenoid Winding 2 Insulation Polyester Tape t 0 025 mm 3 Layer 3 N2 2 1 0 15 1 80 Solenoid W...

Страница 16: ...Bobbin 4 Pins Figure 9 Transformer Specifications of L3 Table 10 Winding Specifications No Winding Pin S F Wire Turns Winding Method 1 N1 1 3 0 1 50 40 Solenoid Winding 2 Insulation Polyester Tape t...

Страница 17: ...ding Transformer Triple Wire 4 Insulation Polyester Tape t 0 025 mm 2 Layer 5 N2 8 9 0 2 1 22 Solenoid Winding 6 Insulation Polyester Tape t 0 025 mm 2 Layer 7 N2 2 1 0 15 1 15 Solenoid Winding 8 Insu...

Страница 18: ...2015 Fairchild Semiconductor Corporation 18 FEBFAN7688SJXA_CP14U306 Rev 1 1 7 7 EMI Choke L1 L2 Figure 11 Transformer Specifications of L1 and L2...

Страница 19: ...e EXTECH 6800 AC DC Electronic Load Chroma 63030 Power Meter Chroma 6630 Oscilloscope Lecroy 24MXs B Test Items 1 Current Harmonic 2 AC Trim up Trim down 3 Efficiency 4 Output Transient Response 5 392...

Страница 20: ...ause a fast response of PFC voltage loop in some test requirement it can be fine tuned to meet PF 0 95 when it is needed Test Results Figure 12 Input Current Waveform and THD Test Result in 115 VAC 75...

Страница 21: ...miconductor Corporation 21 FEBFAN7688SJXA_CP14U306 Rev 1 1 Figure 14 Input Current Waveform and THD Test Result in 115 VAC 100 Load Figure 15 Input Current Waveform and THD Test Result in 230 VAC 75 W...

Страница 22: ...hild Semiconductor Corporation 22 FEBFAN7688SJXA_CP14U306 Rev 1 1 Figure 16 Input Current Waveform and THD Test Result in 230 VAC Mid Load Figure 17 Input Current Waveform and THD Test Result in 230 V...

Страница 23: ...Up Trim Down 9 3 Efficiency Test Condition Measure input current Power Factor PF and Total Harmonic Distortion THD Class D at various line and output loading Test Results Input Watts W Output Watts W...

Страница 24: ...19 summarizes the expected output transient step sizes for each output Input 115 VAC IO 0 7 2 A or IO 4 8 12 A The transient load slew rate is 1 0 A S Test Result VIN 115 V 0 7 2 A mV 4 8 12 A mV 12V1...

Страница 25: ...est Condition Load 100 Load during the AC input to change the PFC bulk voltage steps up to 390 V from 358 V or steps down to 358 V from 390 V Test Results Loading Bulk Voltage Input Voltage Loading 10...

Страница 26: ...esults 115 V 0 V 115 V 230 V 0 V 230 V 100 Load 100 Load Pass Pass Ch1 12Vo Ch2 Iin Ch3 VAC Ch4 Vbulk 115 V 0 V 115 V Max Load 230 V 0 V 230 V Max Load Figure 21 Test Waveform of AC Cycle Drop 9 9 AC...

Страница 27: ...R E A M P O F F A t t 1 0 d B PRN 1 M H z 1 0 M H z 0 10 20 30 40 50 60 70 80 90 100 E N 5 5 0 2 2 A E N 5 5 0 2 2 Q D a t e 1 7 M A R 2 0 1 5 1 6 3 5 1 1 1 PK CLRWR 2 AV CLRWR TDF 6DB dB V dB V 1 5...

Страница 28: ...ly expected to result in significant injury to the user 2 A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the fail...

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