ON Semiconductor NCP1200 PWM SO-8 DIP-8 NCP1200 SMPS AC/DC 40kHz 60 khz 100 khz IGBT MOSFET NCP1200 pulse-by-pulse IC the skip cycle IC DC skip-cycle 110mA / 40kHz 60 khz 100 khz EMI AC SPICE G AC/DC USB xxx= 40 60 100 y= 4 40 6 60 1 100 A= L= Y YY= W WW= www.icbase.com 1
* 1 1 Adj 2 FB 3 CS L.E.B 4 GND IC 5 Drv MOSFET 6 V CC IC 10 F an external bulk capacitor 7 NC 8 HV V CC V CC 2 www.icbase.com
2 V CC 16 V PDIP8 R JA 100 /W SOIC 178 R JA T Jmax 150 140 Tstg 60 +150 ESD HBM V CC HV 2.0 kv ESD 200 V 8 HV 6 V CC 450 V 8 HV 6 V CC 10 F 500 V 8 HV 30 V T J =+25 T J = 25 T J =150 www.icbase.com 3
T J = 25 2 T J = 25 4 www.icbase.com
3 HV 4 V CC OFF 5 V CC ON 6 I CC1 7 I CC2 8 T J www.icbase.com 5
9 V CC 10 I CC3 11 DRV / 12 13 Vskip 14 6 www.icbase.com
NCP1200 AC/DC NCP1200 UC384X NCP1200 V CC IC DSS DSS V CC / V CC <V CCOFF ON V CC >V CCON OFF V CC <V CCOFF ON V CCOFF =11.4V V CCON =9.8V 15 15 10 F V CC / DSS IC MOSFET Qg MOSFET MTD1N60E Qg 11nC 48kHz P40 MOSFET Fsw Qg V CC Fsw= Qg=MOSFET V CC = V GS IC V CC Idriver= Fsw Qg=530 A IC IC 400V DC IC 8ms 4mA 50ms www.icbase.com 7
IC 400V 4mA 0.16=256mW 1 Qg MOSFET 2 1N4007 8 2*Vmains PEAK/ 160mW 3 V CC V CCH IC 16V 16 8 Skipping Cycle Mode NCP1200 FB 2 IC IC 18 Lp =1mH Fsw =48kHz Ip skip=300ma 350mV/Rsense 1/2 Lp Ip 2 Fsw=2.2W IC 100ms 10ms 2.2 0.1=220mW FB 17 8 www.icbase.com
FB 1.4V 1V/Rsense IC Vpin1/4 19 1 1.4V 18 X=5 s/div P1<P2<P3 19 NCP1200 DSS DC DSS NCP1200 V HVDC 11V ICC2 250V AC 350V DC 100kHz T J = 25 340 1.8mA=621mW 1.8mA I CC2 1nF 5 I CC2 I CC2 MOSFET Qg I CC2 = I CC1 +Fsw Qg MOSFET Qg DIP8 R J-A 100 /W 70 125 Pmax= T Jmax T Amax / R J-A =550mW 100kHz NCP1200 DIP880mm 2 35 1 R J-A 75 /W 100kHz 1 8 222V 2 350 /pi 400mW 2 DIP8 SO-8 R J-A 178 /W PCB R J-A 35 1 12mm x 12mm PCB R J-A 100 /W 70 2 6.5mm x 6.5mm PCB R J-A 100 /W 100kHz DSS SO-8 IC PCB ADN8023/D DC LED IC www.icbase.com 9
FB 4.1V NCP1200 IC V CC V CC V CCOFF 11.4V V CCON 350 A I CC3 V CC 0V 6.3V V CC 11.4V UVLO H UVLO L IC 20 20 V CC IC V CC UVLO L V CC V CC V CC 11.4V 9.8V IC 11.4V 9.8V 2 www.icbase.com
6ms 10ms V CC IC MOSFET 1.5mA t= V C/i V=2V 10ms t C 8 F 10 F IC350 A V CC =9.8V V CC 6.5V10 F 350 A 109ms CMOS SCR SCR V CC GND IC V CC Rsense MOSFET Lp Cbulk Q MOSFET Rdson+Rsense ms Q=I x t V CC V CC 21 HV V CC SCR 22 2 Vf AND8069 23 V CC V CC UVLOlow www.icbase.com 3
22 23 V CC UVLOlow 24 3.5W 6.5V AC/DC the wall-pack DC CD NCP1200 IC 24 AC/DC NCP1200 T1 Lp = 2.9 mh Np Ns = 1 0.08 = 80 H, E16 NCP1200P40 4 www.icbase.com
Eldor Via Plinio 10, 22030 Orsenigo (Como) Italia +39 031 636 111 +39 031 636 280 Email eldor@eldor.it www.eldor.it 1 2262.0058C 3.5 W Lp = 2.9 mh Lleak = 80 H E16 2 2262.0059A 5 W Lp = 1.6 mh Lleak = 45 H E16 EGSTON GesmbH Grafenbergerstra_e 37 3730 Eggenburg Austria +43 (2984) 2226 0 +43 (2984) 2226 61 Email info@egston.com http://www.egston.com/english/index.htm 1 F0095001 3.5 W Lp = 2.7 mh, Lleak = 30 H,, E16 Atelier Special de Bobinage 125 cours Jean Jaures 38130 ECHIROLLES FRANCE 33 (0)4 76 23 02 24 33 (0)4 76 22 64 89 Email asb@wanadoo.fr 1 NCP1200 10 W UM 10 W USB Lp = 1.8 mh, 60 khz, 1 0.1, RM8 Coilcraft 1102 60013 (847) 639 6400 (847) 639 1469 Email info@coilcraft.com http://www.coilcraft.com 1 Y8844 A 3.5 W Lp = 2.9 mh, Lleak = 65 H, E16 2 Y8848 A 10 W Lp = 1.8 mh, Lleak = 45 H, 1 01, E ) NCP1200 EMI 25 25 MOSFET 26 27 28 www.icbase.com 1
Rd 2N2222/2N2907 5 26 27 28 MTD1N60E MOSFET BVdss 600V Rclamp Cclamp Dclamp MUR160 Vclamp 40V 80V Vout+Vf + Lleak 2 www.icbase.com
N Ns Np Fsw Vripple 20V MOSFET Clump MOSFET 4W Rsnubber Csnubber 1.5k 47pF NCP1200 AC/DC AND8023/D NCP1200 EMI AND8032/D NCP1200 AND8029/D AC http://onsemi.com/pub/ncp1200 NCP1200 http://onsemi.com/pub/ncp1200 BRD8011/D www.icbase.com 3
PDIP-8 P CASE 626-05 ISSUE L 1 2 3 ANSI Y14.5M 1982 4 www.icbase.com
SO-8 D 1 ANSI Y14.5M 1982 2 3 A B 4 0.15 0.006 5 D 0.127 0.005 D 6 751-01 751-06 751-07 * * SOLDERRM/D 29 SO-8 www.icbase.com 5