Version 4 SHEET 1 3548 2024 WIRE 624 -96 560 -96 WIRE 640 -96 624 -96 WIRE -16 -64 -96 -64 WIRE 96 -64 -16 -64 WIRE 640 48 640 -16 WIRE 640 48 592 48 WIRE 784 48 640 48 WIRE 880 48 784 48 WIRE 736 64 528 64 WIRE 0 80 -32 80 WIRE 96 80 0 80 WIRE 592 112 592 48 WIRE 784 112 784 48 WIRE 528 128 528 64 WIRE 528 128 480 128 WIRE 544 128 528 128 WIRE 736 128 736 64 WIRE 544 192 544 176 WIRE 736 192 736 176 WIRE 1504 192 1504 128 WIRE 1504 192 1456 192 WIRE 1504 256 1504 192 WIRE 1456 272 1456 192 WIRE 784 352 672 352 WIRE 864 368 848 368 WIRE 784 384 672 384 WIRE 784 400 736 400 WIRE 1456 400 1456 336 WIRE 1504 400 1504 336 WIRE 1504 400 1456 400 WIRE 1616 400 1504 400 WIRE 1712 400 1616 400 WIRE 1744 400 1712 400 WIRE 1616 432 1616 400 WIRE 1504 448 1504 400 WIRE 304 464 272 464 WIRE 336 464 304 464 WIRE 576 464 512 464 WIRE 1456 464 1456 400 WIRE 736 480 736 400 WIRE 736 480 704 480 WIRE 640 512 512 512 WIRE 640 528 528 528 WIRE 1456 528 1456 512 WIRE 2736 528 2624 528 WIRE 3072 528 2736 528 WIRE 240 544 192 544 WIRE 336 544 240 544 WIRE 512 544 512 512 WIRE 512 544 336 544 WIRE 1840 544 1840 512 WIRE 2624 544 2624 528 WIRE 1712 560 1712 400 WIRE 1792 560 1712 560 WIRE 2576 560 2528 560 WIRE 736 576 736 480 WIRE 864 576 864 368 WIRE 192 592 192 544 WIRE 16 608 -48 608 WIRE 144 608 16 608 WIRE 1504 608 1504 528 WIRE 1504 608 1440 608 WIRE 736 624 736 576 WIRE 784 624 736 624 WIRE 1024 624 944 624 WIRE 1040 624 1024 624 WIRE 1440 624 1440 608 WIRE 2576 624 2576 608 WIRE 304 640 272 640 WIRE 336 640 304 640 WIRE 2624 640 2624 624 WIRE 3072 640 2624 640 WIRE 1840 656 1840 624 WIRE 1904 656 1840 656 WIRE 2032 656 1904 656 WIRE 2272 656 2032 656 WIRE 2368 656 2336 656 WIRE 2400 656 2368 656 WIRE 2624 656 2624 640 WIRE 144 672 144 656 WIRE 608 672 592 672 WIRE 784 672 608 672 WIRE 1040 672 960 672 WIRE 1792 672 1792 608 WIRE 2400 672 2352 672 WIRE 2528 672 2528 560 WIRE 2528 672 2464 672 WIRE 2576 672 2528 672 WIRE 1840 688 1840 656 WIRE 2192 688 1936 688 WIRE 2400 688 2384 688 WIRE 2400 704 2288 704 WIRE 272 720 192 720 WIRE 336 720 272 720 WIRE 528 720 528 528 WIRE 528 720 336 720 WIRE 2576 736 2576 720 WIRE 2736 736 2736 528 WIRE 192 752 192 720 WIRE 2688 752 2640 752 WIRE 16 768 16 608 WIRE 144 768 16 768 WIRE 1936 800 1936 688 WIRE 1984 800 1936 800 WIRE 2352 800 2352 672 WIRE 2352 800 2144 800 WIRE 2688 816 2688 800 WIRE 3072 816 2736 816 WIRE 2368 832 2368 656 WIRE 2400 832 2368 832 WIRE 2736 832 2736 816 WIRE 144 848 144 816 WIRE 816 848 816 800 WIRE 1904 848 1904 656 WIRE 1984 848 1904 848 WIRE 2192 848 2192 688 WIRE 2192 848 2160 848 WIRE 2400 848 2192 848 WIRE 2640 848 2640 752 WIRE 2640 848 2464 848 WIRE 2688 848 2640 848 WIRE 768 864 672 864 WIRE 2384 864 2384 688 WIRE 2400 864 2384 864 WIRE 2288 880 2288 704 WIRE 2288 880 2240 880 WIRE 2400 880 2288 880 WIRE 1488 896 1408 896 WIRE 2688 912 2688 896 WIRE 768 928 768 912 WIRE 1488 944 1488 896 WIRE 512 960 512 544 WIRE 608 960 512 960 WIRE 928 960 672 960 WIRE 1152 960 1024 960 WIRE 3072 992 2928 992 WIRE 816 1008 816 928 WIRE 928 1008 816 1008 WIRE 1152 1008 1040 1008 WIRE 2928 1072 2928 992 WIRE 240 1104 240 1072 WIRE 240 1104 176 1104 WIRE 368 1104 240 1104 WIRE 448 1104 368 1104 WIRE 656 1104 448 1104 WIRE 1936 1104 1936 1008 WIRE 1984 1104 1936 1104 WIRE 2208 1104 2144 1104 WIRE 2320 1104 2272 1104 WIRE 448 1136 448 1104 WIRE 176 1152 176 1104 WIRE 240 1152 240 1104 WIRE 368 1152 368 1104 WIRE 1904 1152 1904 848 WIRE 1984 1152 1904 1152 WIRE 2384 1152 2384 864 WIRE 2384 1152 2160 1152 WIRE 656 1168 656 1104 WIRE 448 1232 448 1200 WIRE 448 1232 368 1232 WIRE 2064 1232 2064 1200 WIRE 2320 1232 2320 1104 WIRE 2320 1232 2064 1232 WIRE 656 1296 656 1248 WIRE 768 1296 656 1296 WIRE 784 1296 768 1296 WIRE 848 1296 784 1296 WIRE 992 1296 912 1296 WIRE 176 1344 176 1216 WIRE 176 1344 160 1344 WIRE 208 1344 176 1344 WIRE 240 1344 240 1232 WIRE 240 1344 208 1344 WIRE 400 1344 240 1344 WIRE 528 1344 400 1344 WIRE 608 1344 528 1344 WIRE 1232 1344 608 1344 WIRE 208 1424 208 1344 WIRE 448 1440 448 1232 WIRE 656 1440 656 1296 WIRE 400 1456 400 1344 WIRE 608 1456 608 1344 WIRE 1232 1456 1232 1344 WIRE 1184 1472 1104 1472 WIRE 768 1504 768 1296 WIRE 864 1504 768 1504 WIRE 400 1520 400 1504 WIRE 864 1520 832 1520 WIRE 608 1536 608 1504 WIRE 976 1536 928 1536 WIRE 1104 1536 1104 1472 WIRE 1104 1536 1072 1536 WIRE 1184 1536 1184 1520 WIRE 448 1568 448 1520 WIRE 528 1568 528 1344 WIRE 528 1568 448 1568 WIRE 832 1584 832 1520 WIRE 832 1584 768 1584 WIRE 976 1584 832 1584 FLAG 0 160 0 FLAG 96 160 0 FLAG 96 16 0 FLAG -16 16 0 FLAG -96 -64 DT IOPIN -96 -64 In FLAG -32 80 RT IOPIN -32 80 In FLAG 592 192 0 FLAG 784 192 0 FLAG 544 192 0 FLAG 736 192 0 FLAG 480 128 VCC FLAG 560 -16 0 FLAG 880 48 VCCok FLAG 192 672 0 FLAG 192 832 0 FLAG 144 848 0 FLAG 144 672 0 FLAG 624 -96 6V FLAG 304 464 6V FLAG 304 640 6V FLAG 272 720 OC_1 FLAG -48 608 OC IOPIN -48 608 In FLAG 512 464 VCCok FLAG 816 1088 0 FLAG 240 544 OC_2 FLAG 400 1520 0 FLAG 160 1344 SS IOPIN 160 1344 In FLAG 240 1072 6V FLAG 608 1536 0 FLAG 656 1520 0 FLAG 1232 1536 0 FLAG 1184 1536 0 FLAG 208 1488 0 FLAG 768 1584 Fault FLAG 1504 688 0 FLAG 1504 128 6v FLAG 1616 496 0 FLAG 1440 688 0 FLAG 1456 528 0 FLAG 1744 400 OSC FLAG 1792 672 0 FLAG 1840 768 0 FLAG 2032 656 OSCout FLAG 1840 512 6V FLAG 608 672 OSCout FLAG 1024 624 stop FLAG 1040 672 notStop FLAG 2240 880 notStop FLAG 2576 736 0 FLAG 2688 912 0 FLAG 2736 912 0 FLAG 2624 736 0 FLAG 3072 528 VCC IOPIN 3072 528 In FLAG 2576 624 0 FLAG 2688 816 0 FLAG 784 1296 SSdelay FLAG 992 1296 N_SSdelay FLAG 736 576 Fault FLAG 672 352 N_SSdelay FLAG 3072 640 G1 IOPIN 3072 640 Out FLAG 3072 816 G2 IOPIN 3072 816 Out FLAG 16 -112 G2 FLAG 2928 1072 0 FLAG 3072 992 0 IOPIN 3072 992 In FLAG 1936 1008 6V FLAG 768 928 0 FLAG 672 864 VCC FLAG 816 800 6V FLAG 1488 1024 0 FLAG 672 384 Burst FLAG 1408 896 Burst SYMBOL voltage 96 -80 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 2.25 SYMBOL voltage 96 64 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 2.5 SYMBOL res -32 -80 R0 SYMATTR InstName R1 SYMATTR Value 10Meg SYMBOL res -16 64 R0 SYMATTR InstName R2 SYMATTR Value 10Meg SYMBOL sw 592 208 M180 SYMATTR InstName S1 SYMATTR Value SW1 SYMBOL sw 784 208 M180 SYMATTR InstName S2 SYMATTR Value SW2 SYMBOL res 624 -112 R0 SYMATTR InstName R3 SYMATTR Value 1K SYMBOL voltage 560 -112 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V3 SYMATTR Value 6 SYMBOL sw 192 688 M180 SYMATTR InstName S3 SYMATTR Value SW3 SYMBOL sw 192 848 M180 SYMATTR InstName S4 SYMATTR Value SW4 SYMBOL res 320 448 R0 SYMATTR InstName R4 SYMATTR Value 1K SYMBOL res 320 624 R0 SYMATTR InstName R5 SYMATTR Value 1K SYMBOL Digital\\dflop 864 576 R0 WINDOW 3 -41 47 Invisible 0 SYMATTR Value Vhigh=5 SYMATTR InstName A1 SYMBOL Digital\\inv 576 400 R0 WINDOW 3 -38 99 Invisible 0 SYMATTR Value Vhigh=5 SYMATTR InstName A2 SYMBOL Digital\\or 672 432 R0 WINDOW 3 0 0 Invisible 0 WINDOW 123 -98 119 Left 0 SYMATTR Value Vhigh=5 SYMATTR InstName A3 SYMATTR Value2 Trise=200nS SYMBOL Digital\\srflop 1024 1488 R0 WINDOW 3 -40 28 Invisible 0 SYMATTR Value Vhigh=5 SYMATTR InstName A4 SYMBOL sw 448 1536 M180 SYMATTR InstName S5 SYMATTR Value SW5 SYMBOL current 240 1152 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I1 SYMATTR Value 5ľA SYMBOL diode 192 1216 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D1 SYMBOL current 368 1152 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I2 SYMATTR Value 170ľA SYMBOL sw 656 1536 M180 SYMATTR InstName S6 SYMATTR Value SW5 SYMBOL res 640 1152 R0 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL sw 1232 1552 M180 SYMATTR InstName S7 SYMATTR Value SW5 SYMBOL cap 192 1424 R0 SYMATTR InstName C1 SYMATTR Value 1pf SYMBOL Digital\\or 896 1456 R0 WINDOW 3 -29 117 Left 0 SYMATTR Value Vhigh=5 SYMATTR InstName A5 SYMBOL diode 464 1200 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D2 SYMBOL cap 1600 432 R0 SYMATTR InstName C2 SYMATTR Value 1000pF SYMBOL bi 1504 256 R0 SYMATTR InstName B1 SYMATTR Value I=IF(V(SS)>4,-I(V2)/2,-I(V2)/2+(4-V(SS))/2200/2) SYMBOL bi 1504 608 R0 SYMATTR InstName B2 SYMATTR Value I=-I(V1)*100 SYMBOL schottky 1456 688 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D3 SYMATTR Value HSMS-2865 SYMATTR Description Diode SYMATTR Type diode SYMBOL sw 1504 544 M180 SYMATTR InstName S8 SYMATTR Value SW8 SYMBOL schottky 1472 336 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D4 SYMATTR Value HSMS-2865 SYMATTR Description Diode SYMATTR Type diode SYMBOL sw 1840 640 M180 SYMATTR InstName S9 SYMATTR Value SW8 SYMBOL res 1824 672 R0 SYMATTR InstName R7 SYMATTR Value 1K SYMBOL Digital\\dflop 2064 752 R0 WINDOW 3 0 0 Invisible 0 SYMATTR Value Vhigh=5 SYMATTR InstName A6 SYMBOL Digital\\inv 2272 592 R0 WINDOW 3 -21 100 Invisible 0 SYMATTR Value Vhigh=5 SYMATTR InstName A7 SYMBOL Digital\\and 2432 624 R0 WINDOW 3 -39 118 Left 0 SYMATTR Value Vhigh=5 SYMATTR InstName A8 SYMBOL Digital\\and 2432 800 R0 WINDOW 3 -40 123 Left 0 SYMATTR Value Vhigh=5 SYMATTR InstName A9 SYMBOL sw 2624 752 M180 SYMATTR InstName S10 SYMATTR Value SW10 SYMBOL sw 2736 928 M180 SYMATTR InstName S11 SYMATTR Value SW10 SYMBOL sw 2624 640 M180 SYMATTR InstName S12 SYMATTR Value SW12 SYMBOL sw 2736 832 M180 SYMATTR InstName S13 SYMATTR Value SW12 SYMBOL Digital\\srflop 976 912 R0 WINDOW 3 -40 28 Left 0 SYMATTR Value Vhigh=5 SYMATTR InstName A10 SYMBOL Digital\\inv 848 1232 R0 WINDOW 3 -38 99 Invisible 0 WINDOW 123 -15 96 Left 0 SYMATTR Value Vhigh=5 SYMATTR InstName A11 SYMATTR Value2 Trise=500nS SYMBOL Digital\\or 816 320 R0 WINDOW 3 0 0 Invisible 0 SYMATTR Value Vhigh=5 SYMATTR InstName A12 SYMBOL Digital\\dflop 2064 1056 R0 WINDOW 3 0 0 Invisible 0 SYMATTR Value Vhigh=5 SYMATTR InstName A14 SYMBOL Digital\\buf1 2208 1040 R0 WINDOW 3 8 60 Invisible 0 WINDOW 123 8 88 Left 0 SYMATTR InstName A13 SYMATTR Value Vhigh=5 SYMATTR Value2 Td=120nS SYMBOL sw 816 944 M180 SYMATTR InstName S14 SYMATTR Value SW2 SYMBOL res 800 992 R0 SYMATTR InstName R8 SYMATTR Value 1K SYMBOL bv 1488 928 R0 SYMATTR InstName B3 SYMATTR Value V=IF(ABS(I(B1))>5mA/2,5,0) SYMBOL Digital\\buf1 608 896 R0 WINDOW 3 8 60 Invisible 0 WINDOW 123 8 88 Left 0 SYMATTR InstName A15 SYMATTR Value Vhigh=5 SYMATTR Value2 Trise=200nS TEXT 328 232 Left 0 !.model SW1 SW(Ron=1 Roff=1Meg Vt=19 Vh=1) TEXT 336 264 Left 0 !.model SW2 SW(Ron=1Meg Roff=1 Vt=10 Vh=0.5) TEXT -8 888 Left 0 !.model SW3 SW(Ron=1mEG Roff=1 Vt=2 Vh=0) TEXT -8 920 Left 0 !.model SW4 SW(Ron=1mEG Roff=1 Vt=0.8 Vh=0.2) TEXT 240 1648 Left 0 !.model SW5 SW(Ron=100Meg Roff=10 Vt=1.1 Vh=0.1) TEXT 1248 736 Left 0 !.model SW8 SW(Ron=1 Roff=100Meg Vt=2.5 Vh=2.5) TEXT 2392 984 Left 0 !.model SW12 SW(Ron=12 Roff=1Meg Vt=2.5 Vh=0) TEXT 2392 1016 Left 0 !.model SW10 SW(Ron=1Meg Roff=4 Vt=2.5 Vh=0) TEXT -72 -136 Left 0 ;DT=20nS+Rdtx24nS/kohm TEXT -72 -112 Left 0 ;DT=120nS min TEXT 224 -136 Left 0 ;F=Irt * 83hz/uA TEXT 1520 224 Left 0 ;IF V(SS)>4 Volts then I=-I(V2)/2 else I=(-I(V2)-SoftStart)/2 TEXT 160 1704 Left 0 ;IF V(SS) <1.1Volt +/- 0.1 then 175uA pull up\nIF V(SS) >1.1Volt +/- 0.1 then 5uA pull up\nIF Fault then VSS= 0 TEXT 1384 816 Left 0 !.NODESET V(OSC)=0 V(SS)=0 TEXT 112 1520 Left 0 ;use a 0.1 to 0.01uf TEXT -104 48 Left 0 ;use 4.7k to 38k TEXT -136 200 Left 0 ;Resistor for 50 to 650uA TEXT 1032 1072 Left 0 ;Not implimented yet!\nLatch up if OC>2 volts. TEXT 1408 1064 Left 0 ;Burst mode if >350khz, (5mA) TEXT 1416 1096 Left 0 ;Not working right but close TEXT 2592 472 Left 0 ;Pull up to VCC with 12 ohms\nPull to 0 with 4 ohms TEXT 1944 1272 Left 0 ;120nS pulse, min dead time TEXT 856 880 Left 0 ;Reset fault of VCC<10 volts