Fairchild FSB127H User Manual Download Page 4 | Manualshive

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© 2011 Fairchild Semiconductor Corporation

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FEBFSB127H_T001 • Rev. 1.0.0

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Schematic

Figure 2. Evaluation Board Schematic

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Summary of Contents for FSB127H

Page 1: ...01 Rev 1 0 0 User Guide for FEBFSB127H_T001 Evaluation Board FSB127H 100kHz Power Switch for ATX Standby 16W Featured Fairchild Product FSB127H Direct questions or comments about this Evaluation Board...

Page 2: ...and Trim Down 6 5 3 Line and Load Regulation 6 5 4 DC Output Rise Time 7 5 5 DC Transient Response 8 5 6 Ripple and Noise 8 5 7 Capacitive Load 9 5 8 Power Saving 10 5 9 Efficiency 10 5 10 Short Circu...

Page 3: ...d an avalanche rugged 700V SenseFET It is specifically designed for high performance offline Switch Mode Power Supplies SMPS with minimal external components Compared with a discrete MOSFET and contro...

Page 4: ...2011 Fairchild Semiconductor Corporation 4 FEBFSB127H_T001 Rev 1 0 0 3 Schematic Figure 2 Evaluation Board Schematic...

Page 5: ...2011 Fairchild Semiconductor Corporation 5 FEBFSB127H_T001 Rev 1 0 0 4 PCB Layout Figure 3 Evaluation Board PCB Layout...

Page 6: ...Load Turn off 70 VAC 68 VAC Turn on 81 VAC 81 VAC 5 2 AC Trim Up and Trim Down 5 2 1 Test Condition Switch the input voltage from 90V to 264V or from 264V to 90V the output voltages should be normal 5...

Page 7: ...0 5 4 DC Output Rise Time 5 4 1 Test Condition Load maximum load and minimum load DC output rise time 20ms maximum 5 4 2 Measured Waveforms Figure 4 90V 60Hz Maximum Load Figure 5 90V 60Hz Minimum Lo...

Page 8: ...5ms 5ms 5 5 2 Measured Waveforms Figure 8 90VAC 60Hz Figure 9 264VAC 50Hz 5 6 Ripple and Noise 5 6 1 Test Condition Tested by DC loading side parallel with a 10 F EC and 0 1 F CC capacitor and measure...

Page 9: ...r Corporation 9 FEBFSB127H_T001 Rev 1 0 0 5 7 Capacitive Load 5 7 1 Test Condition Output Capacitive Load 12000 F 5 7 2 Measured Waveforms 90V 60Hz Maximum Load 90V 60Hz Minimum Load 264V 50Hz Maximum...

Page 10: ...VIN 240VAC with 0 25W Loading 0 389W 0 25W When VIN 264VAC with 0 25W Loading 0 406W 0 25W C When VIN 230VAC with No Loading 53mW x When VIN 240VAC with No Loading 56mW x When VIN 264VAC with No Loadi...

Page 11: ...0V 60Hz 264V 50Hz Minimum Load PASS PASS Maximum Load PASS PASS 5 10 3 Measured Waveforms Figure 14 90VAC 60Hz Output Short Ch1 Drain Ch2 VDD Ch3 FB Figure 15 264VAC 50Hz Output Short Ch1 Drain Ch2 VD...

Page 12: ...gure 18 N 115 60Hz Figure 19 L 230 50Hz Figure 20 N 230 50Hz dB V dB V TDF 2 AV MAXH 1 PK MAXH 6DB SGL 150 kHz 30 MHz RBW 9 kHz MT 10 ms PREAMP OFF Att 10 dB PRN 1 MHz 10 MHz 0 10 20 30 40 50 60 70 80...

Page 13: ...Capacitor 120 420V 105 C 1 LHK PAG C4 Electrolytic Capacitor 1000 10V 105 C 2 LHK SAMXON C6 C7 X2 Capacitor 0 47 275V 20 1 C1 Y1 Capacitor 222P 250V 20 1 C14 Inductor 14mH 1 TRN0183 SEN HUEI L1 Induct...

Page 14: ...hod Np 2 3 2 0 27 1 31 Solenoid Winding Insulation Polyester Tape t 0 025mm 3 Layer N5V 6 10 0 55 2 5 Solenoid Winding Insulation Polyester Tape t 0 025mm 3 Layers Np 2 2 1 0 27 1 31 Solenoid Winding...

Page 15: ...t 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 failure of the life support device or s...

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