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Fairchild FEB107-001 User Manual

Manual is about: 240W PFC/PWM Combo Evaluation Board

Summary of FEB107-001

  • Page 1

    Www.Fairchildsemi.Com ©2004 fairchild semiconductor page 1 of 14 rev 2.0 3/2/05 feb107-001 user’s guide 240w pfc/pwm combo evaluation board featured fairchild product: fan4803 www.Fairchildsemi.Com/febsupport.

  • Page 2

    © 2005 fairchild semiconductor page 2 of 14 rev 2.0 march 2005 www.Fairchildsemi.Com contents 1. General board description .......................................................................................................................3 1.1 the contents of the feb107-001 evaluation kit .........

  • Page 3

    © 2005 fairchild semiconductor page 3 of 14 rev 2.0 march 2005 www.Fairchildsemi.Com 1. General board description the feb107-001 evaluation board is a power factor corrected 12v 20a off-line power supply. It is designed to meet iec1000-3-2 over the universal input voltage range of 85 to 265vac. The ...

  • Page 4

    © 2005 fairchild semiconductor page 4 of 14 rev 2.0 march 2005 www.Fairchildsemi.Com 1.3 feb107-001 schematic figure 2. Feb107-001 schematic figure 3. Fan4803 pin configuration br1 4.7nf c19 f1 5a 250v u3 th1 10 j1-1 line j1-2 neutral j2-1 12v j2-2 12v ret 250vac r24 470k 0.5w r2 36 r22 10k 0.47 µ f...

  • Page 5

    © 2005 fairchild semiconductor page 5 of 14 rev 2.0 march 2005 www.Fairchildsemi.Com 2. Test procedure use the following procedure to safely operate the power supply. 1. Connect a load (active or resistive) to the output terminals. Set the load to zero amps. 2. Connect a dc voltmeter across the outp...

  • Page 6

    © 2005 fairchild semiconductor page 6 of 14 rev 2.0 march 2005 www.Fairchildsemi.Com figure 4: fan position fan 4.75" sq. X 1.25" thick air flow.

  • Page 7

    © 2005 fairchild semiconductor page 7 of 14 rev 2.0 march 2005 www.Fairchildsemi.Com 4. Feb107-001 evaluation kit parts list item description qty ref. Vendor part number resistors 1 resistor 36 ohm, 5%, 0.25w, thru hole 4 r1, r2, r5, r8 mouser 30bj250-36 / any 2 resistor 0.15 ohm, 5%, 3w, wirewound,...

  • Page 8

    © 2005 fairchild semiconductor page 8 of 14 rev 2.0 march 2005 www.Fairchildsemi.Com feb107-001 evaluation kit parts list (continued) 27 thermistor 10 ohm, 5a rms, thru hole - disc 1 th1 digikey thermodisc thermometrics, inc. Kc006l-nd f503el cl-50 capacitors 28 capacitor 220µf, 20%, 450vdc, electro...

  • Page 9

    © 2005 fairchild semiconductor page 9 of 14 rev 2.0 march 2005 www.Fairchildsemi.Com feb107-001 evaluation kit parts list (continued) 49 diode schottky, 60v, 30a , to-247, fsid: mbr3060pt 1 cr2 fairchild mbr3060pt 50 diode ultra-fast, 600v, 1a, 75ns, do-41, fsid: uf4005 2 cr3. Cr4 fairchild uf4005 5...

  • Page 10

    © 2005 fairchild semiconductor page 10 of 14 rev 2.0 march 2005 www.Fairchildsemi.Com 4.1 vendors for parts the components listed in the parts list are available from the following list: future active incorporated (800) 723-5817 digi-key corporation (800) 344-4539 mouser electronics (800) 346-6873 p...

  • Page 11

    © 2005 fairchild semiconductor page 11 of 14 rev 2.0 march 2005 www.Fairchildsemi.Com 2. Winding specification 3. Core & bobbin core: ee4035 bobbin: ee4035 6. Printed circuit board the pcb is a single layer board constructed of fr4. 6.1 pcb silkscreen figure 3: feb107-001 pcb top silkscreen pin wire...

  • Page 12

    © 2005 fairchild semiconductor page 12 of 14 rev 2.0 march 2005 www.Fairchildsemi.Com 6.2 layout considerations the feb107-001 evaluation board contains high impedance, low level signals and low impedance, high level circuits. Consequently, it requires extra care in component placement, grounding an...

  • Page 13

    © 2005 fairchild semiconductor page 13 of 14 rev 2.0 march 2005 www.Fairchildsemi.Com • reduces ripple current in the storage capacitor between the pfc and pwm sections • overvoltage, uvlo, and brownout protection • pfc v cc ovp with pfc soft start 8. Resources/references 8.1 application notes appli...

  • Page 14

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  • Page 15: Mouser Electronics

    Mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: fairchild semiconductor : feb107.