Version 4 SHEET 1 2052 756 WIRE 464 -112 16 -112 WIRE 768 -112 464 -112 WIRE 1040 -112 768 -112 WIRE 1088 -112 1040 -112 WIRE 1392 -112 1088 -112 WIRE 1696 -112 1648 -112 WIRE 1872 -112 1696 -112 WIRE 1552 -96 1520 -96 WIRE 1040 -80 1040 -112 WIRE 1088 -80 1088 -112 WIRE 1520 -48 1520 -96 WIRE 464 -32 464 -112 WIRE 1552 -32 1552 -96 WIRE 768 16 768 -112 WIRE 1472 16 1216 16 WIRE 1696 32 1696 -112 WIRE 1392 48 1392 -112 WIRE 464 64 464 48 WIRE 608 64 464 64 WIRE 960 64 928 64 WIRE 1040 64 1024 64 WIRE 1472 64 1472 16 WIRE 1552 64 1552 48 WIRE 1552 64 1472 64 WIRE 16 80 16 -112 WIRE 1040 80 1040 64 WIRE 1552 80 1552 64 WIRE 352 128 304 128 WIRE 464 128 432 128 WIRE 480 128 464 128 WIRE 608 128 560 128 WIRE 1216 128 1216 16 WIRE 1216 128 928 128 WIRE 1696 128 1696 96 WIRE 1392 160 1392 128 WIRE 1456 160 1392 160 WIRE 1552 160 1520 160 WIRE 1648 160 1648 -112 WIRE 1648 160 1552 160 WIRE 304 176 304 128 WIRE 1392 176 1392 160 WIRE 464 192 464 128 WIRE 608 192 464 192 WIRE 1280 192 928 192 WIRE 1696 224 1696 192 WIRE 1344 256 928 256 WIRE 352 288 48 288 WIRE 1280 288 1280 192 WIRE 1392 288 1392 272 WIRE 1392 288 1280 288 WIRE 1392 304 1392 288 WIRE 48 320 48 288 WIRE 352 320 352 288 WIRE 608 320 352 320 WIRE 1264 320 928 320 WIRE 1696 320 1696 288 WIRE 1872 320 1872 -112 WIRE 608 384 480 384 WIRE 1168 384 928 384 WIRE 1392 400 1392 384 WIRE 1696 416 1696 384 WIRE 48 432 48 400 WIRE 608 448 528 448 WIRE 976 448 928 448 WIRE 976 464 976 448 WIRE 480 480 480 384 WIRE 528 480 528 448 WIRE 1696 496 1696 480 WIRE 1264 576 1264 320 WIRE 1648 576 1264 576 WIRE 1168 624 1168 384 WIRE 1696 624 1696 592 WIRE 1696 624 1168 624 WIRE 1696 656 1696 624 WIRE 0 0 0 0 FLAG 16 160 0 FLAG 768 496 0 FLAG 304 176 0 FLAG 976 544 0 FLAG 480 544 0 FLAG 528 544 0 FLAG 1392 400 0 FLAG 1040 -16 0 FLAG 1088 -16 0 FLAG 1520 -48 0 FLAG 1696 736 0 FLAG 1872 384 0 FLAG 48 432 0 FLAG 1040 80 0 SYMBOL voltage 16 64 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL PowerProducts\\LTC3783 768 224 R0 SYMATTR InstName U1 SYMBOL res 448 -48 R0 SYMATTR InstName R1 SYMATTR Value 1Meg SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res 576 112 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 105K SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res 448 112 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 10k SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res 960 448 R0 SYMATTR InstName R4 SYMATTR Value 6k SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL polcap 512 480 R0 WINDOW 3 24 64 Left 0 SYMATTR Value 0.00047µ SYMATTR InstName C1 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=50 Irms=22m Rser=3.9 Lser=0 SYMBOL cap 464 480 R0 SYMATTR InstName C2 SYMATTR Value 0.10µ SYMATTR SpiceLine V=25 Irms=0 Rser=0.001 Lser=0 SYMBOL nmos 1344 176 R0 SYMATTR InstName M1 SYMATTR Value Si4470DY SYMBOL res 1376 288 R0 SYMATTR InstName R5 SYMATTR Value 0.05 SYMBOL ind 1376 32 R0 SYMATTR InstName L1 SYMATTR Value 2.2µ SYMATTR SpiceLine Ipk=0.6 Rser=0.47 Rpar=2073 Cpar=0 SYMBOL cap 1024 -80 R0 SYMATTR InstName C3 SYMATTR Value 470µ SYMATTR SpiceLine V=25 Irms=0 Rser=0.001 Lser=0 SYMBOL cap 1072 -80 R0 SYMATTR InstName C4 SYMATTR Value 47µ SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.001 Lser=0 SYMBOL schottky 1456 176 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D1 SYMATTR Value ZLLS1000 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 1536 64 R0 SYMATTR InstName R6 SYMATTR Value 237K SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res 1536 -48 R0 SYMATTR InstName R7 SYMATTR Value 12.4K SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res 1680 640 R0 SYMATTR InstName R8 SYMATTR Value 0.3 SYMBOL cap 1856 320 R0 SYMATTR InstName C5 SYMATTR Value 10µ SYMATTR SpiceLine V=6.3 Irms=11.832 Rser=0.003 Lser=0 SYMBOL LED 1680 416 R0 SYMATTR InstName D8 SYMATTR Value LXK2-PW14 SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 1680 320 R0 SYMATTR InstName D2 SYMATTR Value LXK2-PW14 SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 1680 224 R0 SYMATTR InstName D3 SYMATTR Value LXK2-PW14 SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 1680 128 R0 SYMATTR InstName D4 SYMATTR Value LXK2-PW14 SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 1680 32 R0 SYMATTR InstName D5 SYMATTR Value LXK2-PW14 SYMATTR Description Diode SYMATTR Type diode SYMBOL nmos 1648 496 R0 SYMATTR InstName M2 SYMATTR Value Si4470DY SYMBOL voltage 48 304 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PULSE(0 5 20u 1u 1u 20u 40u 1000) SYMBOL cap 1024 48 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C6 SYMATTR Value 4.7µ SYMATTR SpiceLine V=25 Irms=0 Rser=0.004 Lser=0 mfg="TDK" pn="C4532X7RIE475M" type="X7R" TEXT -16 648 Left 0 !.tran 3m startup