Version 4
SHEET 1 3176 1376
WIRE 2016 656 1616 656
WIRE 2272 656 2016 656
WIRE 2448 656 2272 656
WIRE 1616 672 1616 656
WIRE 2272 672 2272 656
WIRE 2016 688 2016 656
WIRE 2448 752 2448 656
WIRE 1616 768 1616 752
WIRE 1808 768 1696 768
WIRE 2272 768 2272 736
WIRE 2272 768 2224 768
WIRE 2400 768 2272 768
WIRE 1696 848 1696 832
WIRE 1808 848 1696 848
WIRE 2272 848 2272 832
WIRE 2272 848 2224 848
WIRE 1696 864 1696 848
WIRE 2448 880 2448 848
WIRE 2464 880 2448 880
WIRE 2560 880 2544 880
WIRE 2576 880 2560 880
WIRE 2672 880 2656 880
WIRE 1808 928 1792 928
WIRE 2272 928 2224 928
WIRE 2560 928 2560 880
WIRE 2560 928 2272 928
WIRE 1696 944 1696 928
WIRE 1808 1008 1792 1008
WIRE 2272 1008 2272 992
WIRE 2272 1008 2224 1008
WIRE 2672 1008 2672 880
WIRE 2672 1008 2272 1008
WIRE 2768 1008 2672 1008
WIRE 2672 1024 2672 1008
WIRE 2768 1024 2768 1008
WIRE 2448 1072 2448 880
WIRE 2512 1072 2448 1072
WIRE 1632 1088 1616 1088
WIRE 1712 1088 1696 1088
WIRE 1808 1088 1792 1088
WIRE 2272 1088 2272 1008
WIRE 2272 1088 2224 1088
WIRE 2448 1088 2448 1072
WIRE 2512 1104 2512 1072
WIRE 2672 1120 2672 1088
WIRE 2768 1120 2768 1104
WIRE 1728 1168 1680 1168
WIRE 1808 1168 1792 1168
WIRE 2400 1168 2224 1168
WIRE 2448 1200 2448 1184
WIRE 2512 1200 2512 1168
WIRE 1888 1264 1888 1248
WIRE 2144 1264 2144 1248
FLAG 1616 768 0
FLAG 2448 1200 0
FLAG 2144 1264 0
FLAG 1888 1264 0
FLAG 1680 1168 0
FLAG 1616 1088 0
FLAG 1696 944 0
FLAG 2512 1200 0
FLAG 2672 1120 0
FLAG 2768 1120 0
FLAG 2768 1008 OUT
FLAG 1616 656 IN
SYMBOL VOLTAGE 1616 656 R0
SYMATTR InstName V1
SYMATTR Value 48
SYMBOL NMOS 2400 1088 R0
WINDOW 0 28 -8 Right 2
WINDOW 3 18 104 Right 2
SYMATTR InstName Q1
SYMATTR Value FDS5690
SYMBOL PMOS 2400 848 M180
WINDOW 0 56 72 Left 2
WINDOW 3 56 20 Left 2
SYMATTR InstName Q2
SYMATTR Value IRF7343P
SYMBOL cap 1792 1152 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 470p
SYMBOL cap 1696 1072 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 3300p
SYMBOL RES 1808 1072 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL polcap 1680 864 R0
WINDOW 3 26 62 Left 2
SYMATTR Value 3.3µ
SYMATTR InstName C3
SYMBOL cap 1680 768 R0
WINDOW 0 32 19 Left 2
SYMATTR InstName C4
SYMATTR Value .15µ
SYMBOL diode 2256 736 M180
WINDOW 0 38 58 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL ind 2448 896 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 33µ
SYMBOL res 2560 896 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 50m
SYMBOL cap 2256 928 R0
WINDOW 0 34 22 Left 2
WINDOW 3 29 57 Left 2
SYMATTR InstName C5
SYMATTR Value 1000p
SYMBOL cap 2256 768 R0
WINDOW 0 33 20 Left 2
SYMATTR InstName C6
SYMATTR Value .1µ
SYMBOL schottky 2496 1168 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value MBRS360
SYMBOL polcap 2656 1024 R0
SYMATTR InstName C7
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=.01
SYMBOL PowerProducts\\LTC1159-3.3 2016 928 R0
SYMATTR InstName U1
SYMBOL res 2752 1008 R0
SYMATTR InstName Rload
SYMATTR Value 3
TEXT 2256 1272 Left 2 !.tran 52m startup