1. DL manuals
  2. Fairchild
  3. Motherboard
  4. FSQ500L
  5. User manual

Fairchild FSQ500L User manual

Manual is about: Compact, Green-Mode Controller FSQ500L 5.1V / 400mA Flyback Design

Summary of FSQ500L

  • Page 1

    © 2011 fairchild semiconductor corporation 1 febfsq500l_h257v1 • rev. 1.0.1 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...

  • Page 2: Table of Contents

    © 2011 fairchild semiconductor corporation 2 febfsq500l_h257v1 • rev. 1.0.1 table of contents 1. Introduction ............................................................................................................................... 3 1.1. General description ......................................

  • Page 3

    © 2011 fairchild semiconductor corporation 3 febfsq500l_h257v1 • rev. 1.0.1 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 a...

  • Page 4

    © 2011 fairchild semiconductor corporation 4 febfsq500l_h257v1 • rev. 1.0.1 s r q osc r sense (0.3v) olp tsd leb i fb i 8r r 250ns v ref uvlo hv/reg 1 d 6.5v hv/reg off 4 gnd 2 v cc 3 v fb v burl /v burh v sd a/r s r q v cc v cc soft-soft 7.7v z i delay (burst mode:i fb /2) figure 1. Internal block ...

  • Page 5

    © 2011 fairchild semiconductor corporation 5 febfsq500l_h257v1 • rev. 1.0.1 3. Photographs & pcb layout figure 2. Top overlay silk screen figure 3. Bottom layer pattern figure 4. Bottom overlay silk screen.

  • Page 6

    © 2011 fairchild semiconductor corporation 6 febfsq500l_h257v1 • rev. 1.0.1 4. Function test report test model febfsq500l_h257v1 test date june.23, 2008 test temperature ambient test equipment ac source: 6800 ac power source electronic load: chroma 63030 power meter: wt210 oscilloscope: lecory 24xs ...

  • Page 7

    © 2011 fairchild semiconductor corporation 7 febfsq500l_h257v1 • rev. 1.0.1 4.2. Input wattage at no-load condition 4.2.1. Test condition measure the input wattage and output voltage at no load. Table 3. Test result input voltage input wattage output voltage specification 85v ac / 60hz 0.094w 5.224v...

  • Page 8

    © 2011 fairchild semiconductor corporation 8 febfsq500l_h257v1 • rev. 1.0.1 4.4. Soft-start test 4.4.1. Test condition measure the soft-start waveform at maximum load with ambient, after short, after otp. Table 4. Test result input voltage soft-start time 120v ac / 60hz 14ms under 240v ac / 50hz 14m...

  • Page 9

    © 2011 fairchild semiconductor corporation 9 febfsq500l_h257v1 • rev. 1.0.1 4.5. Turn-on delay test 4.5.1. Test condition set the output at maximum loading. Measure the interval between ac plug-in and stable output. Table 5. Test result input voltage maximum load 85v ac / 60hz 89.60ms 264v ac / 50hz...

  • Page 10

    © 2011 fairchild semiconductor corporation 10 febfsq500l_h257v1 • rev. 1.0.1 figure 15. 85v ac / 60hz at no load (ch 1: v o , ch 2: v ds , ch 3: v fb ) figure 16. 85v ac / 60hz at max. Load (ch 1: v o , ch 2: v ds , ch 3: v fb ) figure 17. 264v ac / 50hz at no load (ch 1: v o , ch 2: v ds , ch 3: v ...

  • Page 11

    © 2011 fairchild semiconductor corporation 11 febfsq500l_h257v1 • rev. 1.0.1 4.8. Efficiency 4.8.1. Test condition output at maximum load. Table 8. Test result input voltage input wattage output wattage efficiency 85v ac / 60hz 3.17w 2.09w 65.93% 120v ac / 60hz 3.15w 2.09w 66.34% 230v ac / 50hz 3.69...

  • Page 12

    © 2011 fairchild semiconductor corporation 12 febfsq500l_h257v1 • rev. 1.0.1 figure 21. 120v ac / 60hz at no load (ch 1: v o ) figure 22. 120v ac / 60hz at max. Load (ch 1: v o ) figure 23. 240v ac / 50hz at no load (ch 1: v o ) figure 24. 240v ac / 50hz at max. Load (ch 1: v o ) figure 25. 264v ac ...

  • Page 13

    © 2011 fairchild semiconductor corporation 13 febfsq500l_h257v1 • rev. 1.0.1 figure 27. 85v ac / 60hz (ch 1: v o ) figure 28. 264v ac / 50hz (ch 1: v o ) 4.11. Over-current protection 4.11.1. Test condition increase output loading gradually and measure the maximum output power. Table 12. Test result...

  • Page 14

    © 2011 fairchild semiconductor corporation 14 febfsq500l_h257v1 • rev. 1.0.1 figure 29. 85v ac / 60hz at max. Load (ch 1: v o , ch 4:v ac ) figure 30. 115v ac / 60hz at max. Load (ch 1: v o , ch 4:v ac ) figure 31. 230v ac / 50hz at no load (ch 1: v o , ch 4:v ac ) figure 32. 264v ac / 50hz at max. ...

  • Page 15

    © 2011 fairchild semiconductor corporation 15 febfsq500l_h257v1 • rev. 1.0.1 4.14. Maximum duty ratio 4.14.1. Test condition set the output at maximum loading. Decrease the input voltage with 5vac step. Verify the fb voltage is under overload state (between 2.7~4v). Measure the maximum duty and wave...

  • Page 16

    © 2011 fairchild semiconductor corporation 16 febfsq500l_h257v1 • rev. 1.0.1 figure 38. 120v ac / 60hz at max. Load, enable (ch 1: v o , ch 2: v cc . Ch 3: v fb , ch 4: v ds ) figure 39. 120v ac / 60hz at max. Load, disable (ch 1: v o , ch 2: v cc . Ch 3: v fb , ch 4: v ds ) figure 40. 240v ac / 50h...

  • Page 17

    © 2011 fairchild semiconductor corporation 17 febfsq500l_h257v1 • rev. 1.0.1 figure 42. 264v ac / 50hz at max. Load, operating (ch 3: v ak_rectifier , ch 4:v ds_mos ) figure 43. 264v ac / 50hz at max. Load, power off (ch 3: v ak_rectifier , ch 4:v ds_mos ) 4.18. Emi waveforms figure 44. Conduction-l...

  • Page 18

    © 2011 fairchild semiconductor corporation 18 febfsq500l_h257v1 • rev. 1.0.1 4.19. Surge test mode polarity phase voltage condition l-pe ± 0° 4.4kv pass ± 90° pass ± 180° pass ± 270° pass n-pe ± 0° 4.4kv pass ± 90° pass ± 180° pass ± 270° pass 4.20. Esd test air discharge (16.5kv) contact discharge ...

  • Page 19

    © 2011 fairchild semiconductor corporation 19 febfsq500l_h257v1 • rev. 1.0.1 5. Schematic figure 49. Schematic.

  • Page 20

    © 2011 fairchild semiconductor corporation 20 febfsq500l_h257v1 • rev. 1.0.1 6. Transformer specification customer p/n: trn-0246 date 08/12/2008 version a page 1/3 1.Dimension: note: 1 .Pin3.4.5.6.7.8.Removed unit m/m drawn check title trans tel (02)2215-8302 ci wun chen guo long huang ident n o. Tr...

  • Page 21

    © 2011 fairchild semiconductor corporation 21 febfsq500l_h257v1 • rev. 1.0.1 customer p/n: trn-0246 date 08/12/2008 version a page 2/3 2.Schematic: no terminal wire t s insulation barrier s f t s s w1 1 x 0.15*1 46 4 w2 2 1 0.2*1 104 2 w3 1 x 0.15*1 46 5 w4 10 9 tex-e 0.4*1 9 2 core rounding tape 3.

  • Page 22

    © 2011 fairchild semiconductor corporation 22 febfsq500l_h257v1 • rev. 1.0.1 customer p/n: trn-0246 date 08/12/2008 version a page 3/3 3.Electrial specification: 3.1 lnductance test ： at 100khz ,1v p(2-1) ： 800µh 5% 3.2 dc resistance test at 25°c p(2-1) ：xx  max. (not fixed) p(10-9) ：xx  max. (no...

  • Page 23

    © 2011 fairchild semiconductor corporation 23 febfsq500l_h257v1 • rev. 1.0.1 7. Bill of materials item number part reference part number quantity description (manufacturer) 1 f1 taping 1 metal-oxide resistor 1w-s 10Ω ±5% 2 r3 r9 reel 2 smd resistor 0805 30Ω ±5% 3 r7 reel 1 smd resistor 0805 300Ω ±5%...

  • Page 24

    © 2011 fairchild semiconductor corporation 24 febfsq500l_h257v1 • rev. 1.0.1 8. Revision history rev. Date description 1.0.0 change user guide evb number from feb257_001 to febfsq500l_h257v1 1.0.1 3/6/12 formatting & editing pass by tech docs prior to posting warning and disclaimer replace component...

  • Page 25: Mouser Electronics

    Mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: fairchild semiconductor : febfsq500l_h257v1.