Fairchild FEBFAN7688SJXA_CP14U306 User Manual
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Fairchild FEBFAN7688SJXA_CP14U306 User Manual

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FEBFAN7688SJXA_CP14U306
306 W/12 V PC Application
Featured Fairchild Product:
© 2015 Fairchild Semiconductor Corporation
User Guide for

Evaluation Board

with 12 V
Evaluation Board
FAN7688
Direct questions or comments
about this evaluation board to:
"Worldwide Direct Support"
Fairchild Semiconductor.com
Module
SB
FEBFAN7688SJXA_CP14U306 • Rev. 1.1
1

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Summary of Contents for Fairchild FEBFAN7688SJXA_CP14U306

  • Page 1: Evaluation Board

    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 FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 2: Table Of Contents

    9.7. Hold up Time ......................... 25 9.8. AC Cycle Drop ....................... 26 9.9. AC Transient ........................26 9.10. Surge & ESD ........................27 9.11. EMI Conduction ......................27 10. Revision History ........................28 FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 3: Introduction

    Continuous Conduction Mode (CCM) PFC and LLC convertor using the FAN6982 with the FAN7688. It should be used in conjunction with the FAN7688 datasheet as well as Fairchild’s application notes and technical support team. Please visit Fairchild’s website at www.fairchildsemi.com.

  • Page 4: Evaluation Board Specifications

    L * W * H 145 mm*122 mm*48 mm metal case 3. Photograph AC Input Standby DC Ounput Figure 1. Top View of Evaluation Board (EVB does not include the metal case) FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 5: Printed Circuit Board (Pcb)

    4. Printed Circuit Board (PCB) Figure 2. Top Side of Evaluation Board Figure 3. Bottom Side of Evaluation Board FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 6: Schematic

    5. Schematic Figure 4. Evaluation Board Schematic FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 7: Bill Of Materials

    6. Bill of Materials FEBFAN7688SJXA_CP14U306 BOM (PLM0320 REV.3) Item Reference Qty. Part No. Value Description Manufacturer JUMPER WIRE 0.6ψ 47 pF C0603 X7R ±10% 50 V 100 pF C0603 X7R ±10% 50 V 470 pF C0603 X7R ±10% 50 V 680 pF C0603 X7R ±10% 50 V...
  • Page 8 FEBFAN7688SJXA_CP14U306 BOM (PLM0320 REV.3) Item Reference Qty. Part No. Value Description Manufacturer 3.3 KΩ R0603 ±1% 4.7 KΩ R60, R105 R0603 ±1% 4.99 KΩ R95, R96 R0603 ±1% 5.1 KΩ R0603 ±1% 6.98 KΩ R0603 ±1% 8.25 KΩ R92, R94 R0603 ±1%...
  • Page 9 FEBFAN7688SJXA_CP14U306 BOM (PLM0320 REV.3) Item Reference Qty. Part No. Value Description Manufacturer 499 KΩ R13, R14 R1206 ±1% R3, R4, R123, 1 MΩ R1206 ±5% R124 3 MΩ R5, R6 R1206 ±5% 0.15 Ω R9A, R9B R2512 ±1% 2 W 10 KΩ...
  • Page 10 FEBFAN7688SJXA_CP14U306 BOM (PLM0320 REV.3) Item Reference Qty. Part No. Value Description Manufacturer P6KE200A Fairchild Q1, Q6, Q7 FCP170N60 MOS 22 A/ 600 V TO-220 Fairchild Q13, Q14, Q27, 2N7002 SOT-23 Fairchild Q28, Q29 Q15, Q17, Q19, MMBT2222A SOT-23 Fairchild Q21, Q25 NDS0605 -0.18 A/ -60 V SOT-23...
  • Page 11 FEBFAN7688SJXA_CP14U306 BOM (PLM0320 REV.3) Item Reference Qty. Part No. Value Description Manufacturer Heat Shrinkable Tubing 3*15 mm Heat Shrinkable Tubing 6*20 mm MCH0040 Bead Core C8B 3.5*3.2*1.0 Bushing TO220 602M Silicone Sheet TO-220 Screws 3ψ12 mm Nut 3ψ Copper Tube M3 6.5*6 mm...

  • Page 12: Transformer And Winding Specifications

    Insulation: Polyester Tape t = 0.025 mm, 3-Layer 1.2T Close loop shielding on outside to PIN2 Insulation: Polyester Tape t = 0.025 mm, 3-Layer Table 3. Electrical Characteristics Pins Specifications Inductance 3 - 5 1.75 mH ±5% FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 13: Resonant Inductor (L4)

    Table 4. Winding Specifications Pin (S → F) Winding Wire Turns Winding Method 1 → 5 0.1φ×40 Solenoid Winding Table 5. Electrical Characteristics Pins Specifications 120 μH ±5% Inductance 1 - 5 FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 14: Pulse Transformer (Tx2)

    Insulation: Polyester Tape t = 0.025 mm, 3-Layer 7 → 6 0.2φ×1 Solenoid Winding Insulation: Polyester Tape t = 0.025 mm, 3-Layer Table 7. Electrical Characteristics Pins Specifications 3 – 5 >200 μH Inductance FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 15: Current Transformer (Tx4)

    Insulation: Polyester Tape t = 0.025 mm, 3-Layer 2 → 1 0.15φ×1 Solenoid Winding Insulation: Polyester Tape t = 0.025 mm, 3-Layer Table 9. Electrical Characteristics Pins Specifications 1 – 2 Inductance > 4 mH FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 16: Pfc Inductor (L3)

    Turns Winding Method 1 → 3 0.1φ×50 Solenoid Winding Insulation: Polyester Tape t = 0.025 mm, 3-Layer Table 11. Electrical Characteristics Pins Specifications 1 – 2 420 μH ± 5% Inductance FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 17: Standby Transformer (Tx3)

    Insulation: Polyester Tape t = 0.025 mm, 2-Layer 1.2T Close loop shielding on outside to PIN1 Insulation: Polyester Tape t = 0.025 mm, 3-Layer Table 13. Electrical Characteristics Pins Specifications 10 – 9 820 μH ± 5% Inductance FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 18: Emi Choke (L1, L2)

    7.7. EMI Choke (L1, L2) Figure 11. Transformer Specifications of L1 and L2 FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 19: Test Conditions & Test Equipment

    AC Cycle Drop AC Transient 10. SURGE & ESD 11. EMI 306 W (Loading shown in Amps) Loading 12V1 12V2 12Vsb 100% 12.5 12.5 Test Loading 6.25 6.25 0.25 Min. 1.25 1.25 0.05 FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 20: Performance Of Evaluation Board

    Input Current Waveform and THD Test Result in 115 V 75 W Load, 100 V/50 Hz , Mid. Load Figure 13. Input Current Waveform and THD Test Result in 115 V FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...
  • Page 21 , 100% Load Figure 14. Input Current Waveform and THD Test Result in 115 V Figure 15. Input Current Waveform and THD Test Result in 230 V 75 W Load, 230 V/50 Hz FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...
  • Page 22 Figure 16. Input Current Waveform and THD Test Result in 230 V , Mid. Load Figure 17. Input Current Waveform and THD Test Result in 230 V , 100% Load FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 23: Ac Trim Up & Trim Down

    100% Load When V = 230 V, 165.30 76.37 76.39 3.01 94.23% > 94% at 50% Load When V = 230 V, 68.50 30.63 30.66 1.21 91.24% > 90% at 20% Load FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 24: Output Transient Response

    Test Result: =115 V 0~7.2 A (mV) 4.8~12 A (mV) 12V1 12V2 12V1, 0~7.2 A 12V1, 4.8~12 A 12V2, 0~7.2 A 12V2, 4.8~12 A Figure 19. Test Waveform of Output Transient Response FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 25: 390 V To 358 V && 358 V To 390 V At Loading

    Vbulk 395 V Vbulk 395 V Ch2: , Ch3:12Vo, Ch4:Vbulk 90 V / 60 Hz, 100% Load 264 V / 50 Hz, 100% Load Figure 20. Test Waveform of Hold up Time FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 26: Ac Cycle Drop

    100% Load 100% Load Pass Pass Ch1: , Ch2: Iin, Ch3: VAC, Ch4: Vbulk 115 V80V115 V, Max. Load 230 V160 V230 V, Max. Load Figure 22. Test Waveform of AC Transient FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 27: Surge & Esd

    Figure 24 shows, this EVB is design and test with the metal case. If the user wants to perform an EMI conduction test, connect power earth (PE) to secondary ground point and flowing point of Y-cap C9. Figure 24. Setting of EMI Test FEBFAN7688SJXA_CP14U306 • Rev. 1.1 © 2015 Fairchild Semiconductor Corporation...

  • Page 28: Revision History

    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.

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