Version 4 SHEET 1 1564 3320 WIRE -720 -208 -720 -224 WIRE -912 -112 -912 -144 WIRE -720 -112 -720 -144 WIRE -624 -112 -624 -144 WIRE -1328 -64 -1344 -64 WIRE -1216 -64 -1248 -64 WIRE -272 -48 -352 -48 WIRE -128 -48 -192 -48 WIRE 224 -16 192 -16 WIRE 624 -16 512 -16 WIRE 816 -16 704 -16 WIRE 896 -16 816 -16 WIRE 992 -16 896 -16 WIRE 1088 -16 992 -16 WIRE 896 0 896 -16 WIRE 992 0 992 -16 WIRE 1088 0 1088 -16 WIRE -1328 64 -1344 64 WIRE -1216 64 -1248 64 WIRE -304 80 -352 80 WIRE 48 80 -304 80 WIRE 224 80 176 80 WIRE 592 80 512 80 WIRE 896 96 896 64 WIRE 992 96 992 64 WIRE 1088 96 1088 80 WIRE -144 176 -352 176 WIRE -48 176 -144 176 WIRE 176 176 176 80 WIRE 224 176 176 176 WIRE 48 272 48 80 WIRE 224 272 48 272 WIRE 624 272 512 272 WIRE 816 272 816 -16 WIRE 816 272 704 272 WIRE -144 288 -144 176 WIRE 176 368 176 176 WIRE 224 368 176 368 WIRE 672 368 512 368 WIRE -304 464 -352 464 WIRE 224 464 -304 464 WIRE -224 560 -352 560 WIRE -96 560 -224 560 WIRE 176 560 176 368 WIRE 224 560 176 560 WIRE 528 560 512 560 WIRE 368 624 368 608 WIRE -224 672 -224 560 WIRE -48 688 -48 176 WIRE 592 688 592 80 WIRE 592 688 -48 688 WIRE -96 768 -96 560 WIRE 672 768 672 368 WIRE 672 768 -96 768 WIRE -304 848 -352 848 WIRE -304 1040 -352 1040 WIRE -224 1040 -224 752 WIRE -224 1040 -304 1040 WIRE -144 1040 -144 368 WIRE -144 1040 -224 1040 WIRE -304 1072 -304 1040 WIRE -144 1072 -144 1040 WIRE -144 1168 -144 1152 WIRE -304 1184 -304 1136 WIRE -304 1296 -352 1296 WIRE -288 1296 -304 1296 WIRE -224 1296 -288 1296 WIRE 816 1296 816 272 WIRE 816 1296 -144 1296 WIRE -304 1392 -304 1376 WIRE -304 1392 -352 1392 WIRE -288 1392 -304 1392 WIRE -320 1488 -352 1488 WIRE -192 1488 -320 1488 WIRE -112 1488 -128 1488 WIRE -288 1584 -352 1584 WIRE -288 1600 -288 1584 WIRE -816 1664 -816 1648 WIRE -720 1664 -720 1648 WIRE -288 1680 -288 1664 WIRE -816 1760 -816 1744 FLAG -1344 -64 0 FLAG 896 96 0 FLAG 1088 96 0 FLAG -720 -224 0 FLAG -1344 64 0 FLAG -1216 -64 vIN FLAG 1088 -16 vOUT FLAG -288 1392 0 FLAG -720 1664 0 FLAG -816 1760 0 FLAG -288 1680 0 FLAG 368 624 0 FLAG 528 560 0 FLAG -1216 64 Vcc FLAG -304 80 PWM1 FLAG -320 1488 Ith1 FLAG -288 1584 SS1 FLAG 176 80 Vcc FLAG 192 -16 vIN FLAG -128 -48 Vcc FLAG -912 -144 Vcc FLAG -624 -144 Vcc FLAG -304 464 PWM2 FLAG -304 848 PWM3 FLAG 992 96 0 FLAG -144 1168 Vcc FLAG -304 1184 0 FLAG -288 1296 Vosns1+ FLAG -112 1488 0 SYMBOL ind 608 0 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 180n SYMATTR Value2 Rser=.32m SYMBOL cap 880 0 R0 WINDOW 123 24 84 Left 2 SYMATTR Value2 x3 SYMATTR InstName C1 SYMATTR Value 330µ SYMBOL res 1072 -16 R0 SYMATTR InstName R1 SYMATTR Value 10m SYMBOL voltage -1232 -64 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 -32 56 VBottom 2 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL voltage -1232 64 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 -32 56 VBottom 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL ind 608 288 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 180n SYMATTR Value2 Rser=.32m SYMBOL res -832 1648 R0 SYMATTR InstName R15 SYMATTR Value 37.5K SYMBOL cap -304 1600 R0 WINDOW 123 24 84 Left 2 SYMATTR InstName C23 SYMATTR Value 4.7n SYMBOL res -160 272 R0 SYMATTR InstName R3 SYMATTR Value 33.2 SYMBOL res -240 656 R0 SYMATTR InstName R4 SYMATTR Value 33.2 SYMBOL res -128 1280 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R10 SYMATTR Value 8k SYMBOL res -176 -64 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R13 SYMATTR Value 10k SYMBOL cap -736 -208 R0 SYMATTR InstName C3 SYMATTR Value 2.2µ SYMBOL cap -192 1472 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 31 25 VTop 2 WINDOW 123 -51 37 VTop 2 WINDOW 39 64 47 VTop 2 SYMATTR InstName C6 SYMATTR Value 6.8n SYMATTR Value2 Rser=1.54K SYMATTR SpiceLine Cpar=100p ic=0.65 SYMBOL cap -320 1072 R0 WINDOW 123 24 84 Left 2 SYMATTR Value2 rpar=1k SYMATTR InstName C7 SYMATTR Value 0.1µ SYMBOL cap 976 0 R0 WINDOW 123 24 84 Left 2 SYMATTR Value2 x2 SYMATTR InstName C2 SYMATTR Value 100µ SYMBOL res -160 1056 R0 SYMATTR InstName R2 SYMATTR Value 2.61k SYMBOL res -320 1280 R0 SYMATTR InstName R5 SYMATTR Value 12k SYMBOL LTC7852-1 -672 784 R0 SYMATTR InstName U1 SYMBOL PowerProducts\\LTC7050 368 272 R0 SYMATTR InstName U2 TEXT -1392 176 Left 2 !.tran 5000u startup