Fairchild FAN9611 User Manual

Fairchild FAN9611 User Manual

400w 1-layer evaluation board

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Summary of Contents for Fairchild FAN9611

  • Page 1 Is Now Part of To learn more about ON Semiconductor, please visit our website at www.onsemi.com ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property.
  • Page 2 User Guide for AN-8026: FAN9611 / FAN9612 400W 1-Layer Evaluation Board (FEB-301) Featured Fairchild Product: FAN9611 / FAN9612 Direct questions or comments about this Evaluation Board to: “Worldwide Direct Support” Fairchild Semiconductor.com © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 3: Table Of Contents

    Line and Load Transient ..................... 18 8.4. Brown in/out Protection....................19 8.5. Phase Management ..................... 20 8.6. Efficiency ........................21 8.7. Harmonic Distortion and Power Factor ..............22 9. References ..........................24 © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 4: Overview Of The Evaluation Board

    AN-6086 — Design Considerations for Interleaved Boundary-Conduction Mode PFC Using FAN9611 / FAN9612. The user guide and the evaluation board can also be used to evaluate FAN9611 controller which has the lower turn-on threshold. Please visit Fairchild’s website at www.fairchildsemi.com information.
  • Page 5: Test Procedures

    3. Connect the AC voltage (90~264V ) to start the FAN9611 / FAN9612. Since FAN9611 / FAN9612 has brownout protection and line OVP, any input voltages out of operation range trigger protections. 4. Change load current (0~1A) and check the operation. The board is designed to go into phase shedding for output power below around 55W.
  • Page 6 Figure 1. Photograph of Tested Board © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 7: Schematic

    4. Schematic Figure 2. FAN9611 / FAN9612 400W Evaluation Board Schematic © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 8: Specification Approval

    Guo long Huang IDENT#. TRN-0197 (02)29447647 No.26-1, Lane 128, Sec. 2, SEN HUEI INDUSTRIAL CO.,LTD. D W G# I0060 Singnan Rd., Jhonghe City, Taipei County 235, Taiwan (R.O.C.) © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 9 Guo long Huang IDENT# TRN-0256 (02)2944-7647 No.26-1, Lane 128, Sec. 2, SEN HUEI INDUSTRIAL CO.,LTD. D W G# I3205 Singnan Rd., Jhonghe City, Taipei County 235, Taiwan (R.O.C.) © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 10: Boost Inductor Specification

    Fairchild Semiconductor P/N: TRN-0256 Date 09/02/2009 Version Page 6. Boost Inductor Specification Figure 3. Boost Inductor in the FAN9611 / FAN9612 Evaluation Board Note: Pins 2, 4, 5 add tube. Unit Drawn Check Title (02)2945-0588 Ci wun Chen Guo long Huang...
  • Page 11: Electrical Specification

    Guo long Huang IDENT# TRN-0256 (02)2944-7647 No.26-1, Lane 128, Sec. 2, SEN HUEI INDUSTRIAL CO.,LTD. D W G# I3205 Singnan Rd., Jhonghe City, Taipei County 235, Taiwan (R.O.C.) © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 12 Guo long Huang IDENT# TRN-0256 (02)2944-7647 No.26-1, Lane 128, Sec. 2, SEN HUEI INDUSTRIAL CO.,LTD. D W G# I3205 Singnan Rd., Jhonghe City, Taipei County 235, Taiwan (R.O.C.) © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 13: Bill Of Materials

    0805 MLCC X7R +/-10% 154P 25V 0805 MLCC X7R +/-10% 222P 50V 0805 MLCC X7R +/-10% 224P 50V C10 C17 0805 MLCC X7R +/-10% 225P 25V 0805 MLCC X7R +/-10% 683P 50V © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 14 CN1 CN2 CN3 HS 50(L)*50(H)*20(W)mm MCH0597 SHUN TEH HS 100(L)*50(H)*20(W)mm MCH0598 SHUN TEH IC FAN9611 / FAN9612 SMD SOIC-16 Fairchild Semiconductor PCB FCS0390 REV 4 Fairchild Semiconductor © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 15 Figure 4. PCB Layout Top Overlay Figure 5. PCB Layout Bottom Layer © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 16 Figure 6. PCB Layout Bottom Overlay © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 17: Test Results

    Only 17V overshoot is observed (4.36% of nominal output voltage) for no-load startup and only 18V (4.62% of normal output voltage) overshoot is observed for full-load startup. © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 18: Normal Operation

    Figure 13 and Figure 14 show the two inductor currents and the sum of two inductor currents at 230V line voltage and full-load conditions. The sum of the inductor currents has relatively small ripple due to the ripple cancellation of interleaving operation. © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 19: Line And Load Transient

    23.6V (6.1% of nominal output voltage) voltage overshoot is observed. When the output load changes from 0% to 100%, 23.9V (6.13% of nominal output voltage) voltage undershoot is observed. © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 20: Brown In/Out Protection

    Figure 19 and Figure 20 show the startup and shutdown operation at slowly increasing and decreasing line voltage, respectively. The power supply starts when the line voltage reaches around 80V and shuts down when line voltage drops below 70V © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 21: Phase Management

    Figure 25 and Figure 26 show the sum of two-inductor current and line current for phase shedding and adding, respectively. As shown, the phase management causes no visible change in the line current waveforms. © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 22: Efficiency

    Relatively less improvement is obtained for low line since the MOSFET is turned on with zero voltage and switching losses are negligible. © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 23: Harmonic Distortion And Power Factor

    . Class D is applied to TV and PC power, while Class C is applied to lighting applications. As can be observed, both regulations are met with sufficient margin. © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 24 Measured Power Factor Table 2. Total Harmonic Distortion at Input Voltage of 115V and 230V 100% 12.88 9.91 7.99 115V / 60Hz 13.06 11.47 9.33 230V / 50Hz © 2009 Fairchild Semiconductor Corporation AN-8026 / FEB301_FAN9611 / FAN9612 • Rev. 0.0.4...
  • Page 25: References

    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.
  • Page 26 ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf.

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Fan9612

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