Version 4 SHEET 1 1176 680 WIRE -48 80 -112 80 WIRE 192 80 -48 80 WIRE 192 112 192 80 WIRE 144 128 112 128 WIRE -112 144 -112 80 WIRE 144 176 128 176 WIRE 192 240 192 192 WIRE 432 240 192 240 WIRE 624 240 512 240 WIRE 784 240 624 240 WIRE 832 240 784 240 WIRE -112 272 -112 224 WIRE 192 288 192 240 WIRE 448 304 448 288 WIRE 496 304 496 288 WIRE 624 304 624 240 WIRE 784 304 784 240 WIRE 192 416 192 352 WIRE 432 416 192 416 WIRE 624 416 624 368 WIRE 624 416 512 416 WIRE -112 448 -112 432 WIRE 192 448 192 416 WIRE 784 448 784 384 WIRE 144 464 112 464 WIRE 624 464 624 416 WIRE 448 480 448 464 WIRE 496 480 496 464 WIRE 144 512 128 512 WIRE -112 544 -112 528 WIRE 192 576 192 528 FLAG 112 128 0 FLAG 112 464 0 FLAG 192 576 0 FLAG -112 272 0 FLAG 448 304 0 FLAG 448 480 0 FLAG 496 304 a FLAG 496 480 a FLAG 128 176 a FLAG 128 512 a FLAG -112 544 0 FLAG -112 432 a FLAG -48 80 VCC FLAG 624 464 vcc FLAG 784 448 0 FLAG 832 240 VCC2 IOPIN 832 240 Out SYMBOL sw 192 96 R0 SYMATTR InstName S1 SYMATTR Value SW1 SYMBOL sw 192 432 R0 SYMATTR InstName S2 SYMATTR Value SW1 SYMBOL cap 176 288 R0 SYMATTR InstName C1 SYMATTR Value 1µ SYMBOL cap 608 304 R0 SYMATTR InstName C2 SYMATTR Value 1µ SYMBOL sw 416 240 R270 WINDOW 3 49 79 VRight 0 SYMATTR InstName S3 SYMATTR Value _SW1 SYMBOL sw 416 416 R270 WINDOW 3 55 72 VRight 0 SYMATTR InstName S4 SYMATTR Value _SW1 SYMBOL voltage -112 128 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL voltage -112 432 R0 WINDOW 3 -111 148 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PULSE(0 1 0 50n 50n 4.95u 10u) SYMBOL res 768 288 R0 SYMATTR InstName RLOAD SYMATTR Value 1k TEXT -128 0 Left 0 !.model _SW1 SW(Ron=10G Roff=10 Vt=0.2) TEXT -128 -32 Left 0 !.model SW1 SW(Ron=10 Roff=10G Vt=0.8) TEXT -128 -120 Left 0 !.tran 0 800u 0 5n TEXT -128 -96 Left 0 !.options plotwinsize=0 TEXT -120 -168 Left 0 ;Charge Pump Example TEXT 448 -168 Left 0 ;Two different switch models with reversed Ron and Roff.\nThe control signal should be 0/1V in this example.\n \n.model SW1 SW(Ron=10 Roff=10G Vt=0.5)\n .model _SW1 SW(Ron=10G Roff=10 Vt=0.5)\n \nWith more dead time:\n .model SW1 SW(Ron=10 Roff=10G Vt=0.8)\n .model _SW1 SW(Ron=10G Roff=10 Vt=0.2)