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Fairchild FSQ500L User Manual

Compact, green-mode controller fsq500l 5.1v / 400ma flyback design
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User Guide for
FEBFSQ500L_H257v1

Evaluation Board

Compact, Green-Mode Controller FSQ500L
5.1V / 400mA Flyback Design
Featured Fairchild Product:
FSQ500L
Direct questions or comments
about this evaluation board to:
"Worldwide Direct Support"
Fairchild Semiconductor.com
© 2011 Fairchild Semiconductor Corporation
1
FEBFSQ500L_H257v1 • Rev. 1.0.1

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Summary of Contents for Fairchild FSQ500L

  • Page 1: Evaluation Board

    User Guide for FEBFSQ500L_H257v1 Evaluation Board Compact, Green-Mode Controller FSQ500L 5.1V / 400mA Flyback Design Featured Fairchild Product: FSQ500L Direct questions or comments about this evaluation board to: “Worldwide Direct Support” Fairchild Semiconductor.com © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 2: Table Of Contents

      4.20. ESD Test ........................18     Schematic ..........................19     Transformer Specification ...................... 20     Bill of Materials ........................23     Revision History ........................24   © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 3: Introduction

    This user guide supports the evaluation kit for the FSQ500L. It should be used in conjunction with the FSQ500L datasheet as well as Fairchild’s application notes and technical support team. Please visit Fairchild’s website at www.fairchildsemi.com. 1. Introduction This engineering report describes a 2.04W power supply using a FSQ500L. This power supply is targeted for a flyback converter replaces linear power supplies with low cost and small size.

  • Page 4: Specifications

    Table 1. Summary of Features and Performance Description Min. Max. Unit Input Voltage Frequency Output Output Voltage 1 Output Current 1 Total Output Power Full-load Output Power 2.04 Peak Output Power © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 5: Photographs & Pcb Layout

    3. Photographs & PCB Layout Figure 2. Top Overlay Silk Screen Figure 3. Bottom Layer Pattern Figure 4. Bottom Overlay Silk Screen © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 6: Function Test Report

    20 ESD Test 4.1. Input Current 4.1.1. Test Condition Measure the AC input current at maximum loading. Table 2. Test Result Input Voltage Input Current / 60Hz 57.62mA 264V / 50Hz 35.73mA © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 7: Input Wattage At No-Load Condition

    / 60Hz at No Load Figure 6. 264V / 50Hz at No Load (Ch 1: Vo, Ch 2: V , Ch 3: V (Ch 1: Vo, Ch 2: V , Ch 3: V © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 8: Soft-Start Test

    (Ch 1: V , Ch 2: V , Ch 3: V , Ch 4: I (Ch 1: V , Ch 2: V , Ch 3: V , Ch 4: I DRAIN DRAIN © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 9: Turn-On Delay Test

    Set output at maximum loading and no loading. Measure the time interval between 10% and 90% of output voltage during startup. Table 6. Test Result Input Voltage Maximum Load No Load Specification / 60Hz 5.26ms 4.04ms < 20ms 264V / 50Hz 5.05ms 3.63ms © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 10: Line And Load Regulation

    / 60Hz 5.224V 5.224V 115V / 60Hz 5.224V 5.224V 132V / 60Hz 5.224V 5.224V 180V / 50Hz 5.224V 5.224V 230V / 50Hz 5.224V 5.224V 264V / 50Hz 5.224V 5.224V Line Regulation © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 11: Efficiency

    / 50Hz 16mV 53mV 264V / 50Hz 16mV 50mV Figure 19. 85V / 60Hz at No Load (Ch 1: V Figure 20. 85V / 60Hz at Max. Load (Ch 1: V © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 12: Step Load Response

    Dynamic loading (20%~80% of the full load, 5ms duty cycle, 2.5A/µs rise/fall time). Table 11. Test Result (20%~80% of the Full Load) Input Voltage Overshoot Undershoot / 60Hz 70mV 53mV 264V / 50Hz 61mV 119mV © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 13: Over-Current Protection

    The AC waveform should be off at zero phase. Table 13. Test Result Input Voltage Hold-up Time / 60Hz 8.49ms 115V / 60Hz 18.64ms 230V / 50Hz 77.27ms 264V / 50Hz 101.41ms © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 14: Short Circuit Protection

    / 50Hz at Max. Load (Ch 1: V , Ch 2: V , Ch 3: V , Ch 4:V (Ch 1: V , Ch 2: V , Ch 3: V , Ch 4:V © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 15: Maximum Duty Ratio

    , Ch 4:V 4.16. Over-Temperature Protection (OTP) 4.16.1. Test Condition Set the output at maximum loading. Heat the IC with a heatgun, measure the waveform to enable the OTP, and disable the OTP. © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 16: Voltage Stress Of Drain And Secondary Rectifier

    / 50Hz, Maximum Load 500V 41.3V 264V / 50Hz, Maximum Load, Startup 496V 41.3V 264V / 50Hz, Maximum Load, Output Short 471V 35.6V 264V / 50Hz, Maximum Load, Turns Off 494V 41.3V © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 17: Emi Waveforms

    2 AV CLRWR CLRWR EN55022Q EN55022Q EN55022A EN55022A 150 kHz 150 MHz 150 kHz 150 MHz Date: 7.AUG.2008 17:13:20 Date: 7.AUG.2008 17:25:34 Figure 46. Conduction-Line at 230V Figure 47. Conduction-Neutral at 230V © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 18: Surge Test

    0° Pass ± 90° Pass N-PE 4.4KV ± 180° Pass ± 270° Pass 4.20. ESD Test Air Discharge (16.5KV) Contact Discharge (8.8KV) Pass Pass Pass Pass Figure 48. ESD Test Setup © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 19: Schematic

    5. Schematic Figure 49. Schematic © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 20: Transformer Specification

    08/12/2008 1.Dimension: Note: 1 .Pin3.4.5.6.7.8.removed UNIT DRAWN CHECK TITLE TRANS IDENT (02)2215-8302 Ci wun Chen Guo long Huang TRN-0246 N O. D W G (02)2215-8293 SEN HUEI INDUSTRIAL CO.,LTD. N O. © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...
  • Page 21 Customer P/N: TRN-0246 Version Page DATE 08/12/2008 2.Schematic: TERMINAL INSULATION BARRIER WIRE 0.15*1 0.2*1 0.15*1 TEX-E 0.4*1 CORE ROUNDING TAPE © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...
  • Page 22 Ci wun Chen Guo long Huang TRN-0246 N O. (02)2215-8293 D W G No.26-1, Lane 128, Sec. 2, SEN HUEI INDUSTRIAL CO.,LTD. N O. Singnan Rd., Jhonghe City, Taipei County 235, Taiwan © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 23: Bill Of Materials

    TRN0246 Transformer D1, D2, D3, D4, D5 1N4007 Diode 1A/1000V DIP SB260 Schottky Diode 2A/600V DO-15 SMD IC FSQ500L REGULATOR TL431ACZ-AP ±1% TO92 (Fairchild Semiconductor) IC PC817 DIP PCB PLM-0003 REV0 © 2011 Fairchild Semiconductor Corporation FEBFSQ500L_H257v1 • Rev. 1.0.1...

  • Page 24: 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.
  • Page 25 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Fairchild Semiconductor FEBFSQ500L_H257V1...

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