Version 4 SHEET 1 3384 680 WIRE 992 -736 704 -736 WIRE 1120 -736 992 -736 WIRE 1184 -736 1120 -736 WIRE 1968 -736 1184 -736 WIRE 2064 -736 1968 -736 WIRE 2240 -736 2064 -736 WIRE 2416 -736 2288 -736 WIRE 2544 -736 2480 -736 WIRE 2640 -736 2544 -736 WIRE 2752 -736 2640 -736 WIRE 2064 -720 2064 -736 WIRE 2240 -720 2240 -736 WIRE 2288 -720 2288 -736 WIRE 2640 -720 2640 -736 WIRE 2752 -720 2752 -736 WIRE 1184 -672 1184 -736 WIRE 1296 -640 1280 -640 WIRE 1920 -640 1744 -640 WIRE 2064 -640 2064 -656 WIRE 2288 -624 2288 -640 WIRE 2640 -624 2640 -656 WIRE 2752 -624 2752 -640 WIRE 1968 -608 1968 -736 WIRE 1184 -560 1184 -592 WIRE 1296 -560 1184 -560 WIRE 1792 -560 1744 -560 WIRE 1920 -560 1920 -640 WIRE 1920 -560 1872 -560 WIRE 2240 -528 2240 -640 WIRE 2368 -528 2240 -528 WIRE 1968 -480 1968 -528 WIRE 1968 -480 1744 -480 WIRE 2016 -480 1968 -480 WIRE 2112 -480 2080 -480 WIRE 2240 -480 2240 -528 WIRE 704 -448 704 -736 WIRE 992 -448 992 -736 WIRE 1120 -400 1120 -736 WIRE 1296 -400 1120 -400 WIRE 2192 -400 1744 -400 WIRE 2368 -352 2368 -528 WIRE 1296 -320 1264 -320 WIRE 1760 -320 1744 -320 WIRE 2080 -320 2000 -320 WIRE 2240 -320 2240 -384 WIRE 2240 -320 2160 -320 WIRE 2240 -304 2240 -320 WIRE 1296 -240 1232 -240 WIRE 1792 -240 1744 -240 WIRE 1872 -240 1856 -240 WIRE 2544 -224 2544 -736 WIRE 2240 -208 2240 -224 WIRE 2368 -208 2368 -288 WIRE 1264 -160 1264 -320 WIRE 2000 -160 2000 -320 WIRE 2000 -160 1264 -160 WIRE 1232 -128 1232 -240 WIRE 2544 -128 2544 -144 WIRE 2544 -128 1232 -128 WIRE 2544 -112 2544 -128 WIRE 704 -48 704 -368 WIRE 768 -48 704 -48 WIRE 896 -48 832 -48 WIRE 992 -48 992 -384 WIRE 992 -48 960 -48 WIRE 1920 -48 1920 -560 WIRE 1920 -48 992 -48 WIRE 2544 -16 2544 -32 FLAG 1280 -640 0 FLAG 2240 -208 0 FLAG 2064 -640 0 FLAG 2288 -624 0 FLAG 2640 -624 0 FLAG 2112 -480 0 FLAG 2752 -624 0 FLAG 2544 -16 0 FLAG 2752 -736 OUT FLAG 1872 -240 0 FLAG 2368 -208 0 FLAG 704 -736 IN FLAG 1760 -320 0 SYMBOL nmos 2192 -480 R0 SYMATTR InstName Q1 SYMATTR Value Si3440DV SYMBOL res 2224 -320 R0 SYMATTR InstName R1 SYMATTR Value 0.1 SYMBOL cap 2048 -720 R0 SYMATTR InstName C1 SYMATTR Value 5µ SYMATTR Value2 Rser=100m SYMATTR SpiceLine Rser=100m SYMBOL ind2 2224 -736 R0 WINDOW 0 1 31 Right 2 WINDOW 3 -2 73 Right 2 SYMATTR InstName L1 SYMATTR Value 150µ SYMATTR Type ind SYMATTR SpiceLine Rser=0.1 SYMBOL ind2 2304 -624 R180 WINDOW 0 -6 80 Right 2 WINDOW 3 -6 37 Right 2 SYMATTR InstName L2 SYMATTR Value 5µ SYMATTR Type ind SYMATTR SpiceLine Rser=10m SYMBOL schottky 2416 -720 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value MBR745 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 2624 -720 R0 SYMATTR InstName C2 SYMATTR Value 320µ SYMATTR SpiceLine Rser=10m SYMBOL res 1168 -688 R0 SYMATTR InstName R2 SYMATTR Value 100K SYMBOL cap 976 -448 R0 WINDOW 39 24 67 Left 2 WINDOW 3 40 33 Left 2 SYMATTR SpiceLine Rser=10m SYMATTR Value .1µ SYMATTR InstName C3 SYMBOL res 2176 -336 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 4.99K SYMBOL res 1888 -576 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 30.9 SYMBOL res 1952 -624 R0 SYMATTR InstName R5 SYMATTR Value 10K SYMBOL cap 2080 -496 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value 4.7µ SYMBOL res 2528 -240 R0 SYMATTR InstName R6 SYMATTR Value 3.16K SYMBOL res 2528 -128 R0 SYMATTR InstName R7 SYMATTR Value 1K SYMBOL cap 2352 -352 R0 WINDOW 3 39 37 Left 2 WINDOW 39 21 67 Left 2 SYMATTR Value 68p SYMATTR SpiceLine Rser=280 SYMATTR InstName C5 SYMBOL cap 1856 -256 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 39 53 32 VTop 2 SYMATTR InstName C6 SYMATTR Value 22n SYMATTR SpiceLine Rser=26.7K SYMBOL schottky 960 -64 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value MBRS1100 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky 832 -64 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D3 SYMATTR Value MBRS1100 SYMATTR Description Diode SYMATTR Type diode SYMBOL LTC4267-3 1520 -432 R0 SYMATTR InstName U1 SYMBOL voltage 704 -464 R0 WINDOW 123 24 138 Left 2 WINDOW 39 24 117 Left 2 SYMATTR Value 57 SYMATTR InstName V1 SYMBOL res 2736 -736 R0 SYMATTR InstName Rload SYMATTR Value 2 TEXT 2144 -80 Left 2 !.tran 27m startup TEXT 2264 -744 Bottom 2 !K1 L1 L2 0.97 TEXT 864 -96 Bottom 2 ;Diode Bridge TEXT 2752 -768 Bottom 2 ;3.3V @ 1.5A