Version 4 SHEET 1 1088 680 WIRE -192 -96 -208 -96 WIRE -64 -96 -64 -112 WIRE -64 -96 -112 -96 WIRE 256 -96 -64 -96 WIRE 384 -96 336 -96 WIRE 400 -96 384 -96 WIRE 480 -96 464 -96 WIRE 544 -96 480 -96 WIRE 688 -96 544 -96 WIRE 688 -64 688 -96 WIRE -208 -48 -208 -96 WIRE 544 -32 544 -96 WIRE -64 -16 -96 -16 WIRE -48 -16 -64 -16 WIRE 176 -16 176 -32 WIRE 208 -16 176 -16 WIRE 304 -16 288 -16 WIRE 432 -16 304 -16 WIRE -384 0 -384 -16 WIRE -384 0 -416 0 WIRE 304 0 304 -16 WIRE -416 16 -416 0 WIRE -96 32 -96 -16 WIRE -384 48 -384 0 WIRE -368 48 -384 48 WIRE -128 48 -144 48 WIRE -64 48 -64 -16 WIRE -48 48 -64 48 WIRE 208 48 176 48 WIRE 480 48 480 -96 WIRE -128 64 -128 48 WIRE 208 64 208 48 WIRE 688 64 688 16 WIRE 608 80 608 64 WIRE 304 96 304 80 WIRE 384 96 384 -96 WIRE 544 96 544 48 WIRE 576 96 544 96 WIRE -416 112 -416 96 WIRE -368 112 -416 112 WIRE -128 112 -144 112 WIRE -48 112 -64 112 WIRE 192 112 176 112 WIRE 656 112 640 112 WIRE -416 128 -416 112 WIRE -128 128 -128 112 WIRE -128 128 -384 128 WIRE 432 128 432 -16 WIRE 576 128 432 128 WIRE 192 144 192 112 WIRE 192 144 -128 144 WIRE 544 144 544 96 WIRE -384 176 -384 128 WIRE -368 176 -384 176 WIRE -144 176 -144 144 WIRE -128 176 -128 144 WIRE -128 176 -144 176 WIRE -96 176 -96 112 WIRE -64 176 -64 112 WIRE -64 176 -96 176 WIRE -48 176 -64 176 WIRE 336 176 176 176 WIRE -416 224 -416 208 WIRE -384 224 -384 176 WIRE -384 224 -416 224 WIRE -48 240 -64 240 WIRE 480 240 480 112 WIRE 544 240 544 224 WIRE 544 240 480 240 WIRE 608 240 608 144 WIRE 608 240 544 240 WIRE -96 256 -96 176 WIRE 384 256 384 192 WIRE 480 256 480 240 WIRE -64 288 -64 240 WIRE 656 288 656 112 WIRE 656 288 -64 288 WIRE -416 304 -416 288 WIRE -96 336 -96 320 FLAG -128 64 0 FLAG 208 64 0 FLAG -208 -48 0 FLAG -416 304 0 FLAG -96 336 0 FLAG 384 256 0 FLAG 480 256 0 FLAG 688 64 0 FLAG 304 96 0 FLAG -64 -112 +5 FLAG 608 64 +5 FLAG 176 -32 +5 FLAG -384 -16 +5 FLAG -144 240 +5 FLAG 176 240 +5 FLAG -48 -16 +5 SYMBOL Misc\\NE555 -256 144 M0 SYMATTR InstName U1 SYMBOL Misc\\NE555 64 144 M0 SYMATTR InstName U2 SYMBOL Misc\\battery -96 -96 R90 WINDOW 0 -32 56 VBottom 0 WINDOW 3 39 48 VTop 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL res -432 0 R0 WINDOW 0 -39 46 Left 0 WINDOW 3 -46 85 Left 0 SYMATTR InstName R1 SYMATTR Value 56k SYMBOL res -432 112 R0 WINDOW 0 -37 42 Left 0 WINDOW 3 -49 80 Left 0 SYMATTR InstName R2 SYMATTR Value 4.7k SYMBOL cap -432 224 R0 WINDOW 0 -34 17 Left 0 WINDOW 3 -51 60 Left 0 SYMATTR InstName C1 SYMATTR Value .001µ SYMBOL res -112 16 R0 WINDOW 0 -19 19 Left 0 WINDOW 3 25 50 Left 0 SYMATTR InstName R3 SYMATTR Value 10k SYMBOL cap -112 256 R0 WINDOW 0 -15 10 Left 0 WINDOW 3 -60 54 Left 0 SYMATTR InstName C2 SYMATTR Value .0022µ SYMBOL ind 240 -80 R270 WINDOW 0 36 55 VTop 0 WINDOW 3 -1 59 VBottom 0 SYMATTR InstName L1 SYMATTR Value 470µ SYMATTR SpiceLine Ipk=0.9 Rser=0.704 Rpar=44296 Cpar=0 mfg="Coilcraft" pn="RFB1010-471" SYMBOL schottky 400 -80 R270 WINDOW 0 37 32 VTop 0 WINDOW 3 -7 36 VBottom 0 SYMATTR InstName D1 SYMATTR Value 1N5819 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 464 48 R0 WINDOW 0 -27 11 Left 0 WINDOW 3 22 10 Left 0 SYMATTR InstName C3 SYMATTR Value 220µ SYMBOL res 528 -48 R0 WINDOW 3 33 49 Left 0 WINDOW 0 -29 65 Left 0 SYMATTR Value 10k SYMATTR InstName R5 SYMBOL res 528 128 R0 WINDOW 0 -29 62 Left 0 WINDOW 3 27 84 Left 0 SYMATTR InstName R6 SYMATTR Value 2.2k SYMBOL res 672 -80 R0 SYMATTR InstName RL SYMATTR Value 220 SYMBOL res 288 -16 R0 WINDOW 0 -30 58 Left 0 WINDOW 3 -31 93 Left 0 SYMATTR InstName R8 SYMATTR Value 1k SYMBOL res 304 -32 R90 WINDOW 0 59 93 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R9 SYMATTR Value 1k SYMBOL Opamps\\LT1797 608 48 R0 SYMATTR InstName U3 SYMBOL nmos 336 96 R0 SYMATTR InstName M1 SYMATTR Value IRF7455 TEXT -376 -104 Left 0 !.tran 10m TEXT -288 -384 Left 0 ;This file is almost identical to "DCtoDC2" but the Coilcraft SPICE library has been\ndownloaded from http://www.coilcraft.com/modelsswcad.cfm and saved to\nC:\\Program Files\\LTC\\SwCADIII\\lib\\cmp. WARNING: this overwrites the existing\ninductor library. However, a Sync Release (under Tools) will update the component\ndatabases and the files will be merged. If you added new inductors or capacitors,\nyour devices will be preserved and merged with the new ones. Sync Release is\nrecommended on a monthly basis.