Version 4 SHEET 1 3176 1464 WIRE 1632 896 1504 896 WIRE 1824 896 1632 896 WIRE 1888 896 1824 896 WIRE 2048 896 1968 896 WIRE 2096 896 2048 896 WIRE 2224 896 2160 896 WIRE 2384 896 2224 896 WIRE 2496 896 2384 896 WIRE 2640 896 2576 896 WIRE 2752 896 2640 896 WIRE 2864 896 2752 896 WIRE 2752 912 2752 896 WIRE 2864 912 2864 896 WIRE 2224 928 2224 896 WIRE 1504 944 1504 896 WIRE 1824 944 1824 896 WIRE 1632 976 1632 896 WIRE 2752 1008 2752 976 WIRE 2864 1008 2864 992 WIRE 2048 1024 2048 896 WIRE 2048 1024 1952 1024 WIRE 2224 1024 2224 992 WIRE 2384 1024 2384 896 WIRE 1504 1072 1504 1024 WIRE 2640 1072 2640 896 WIRE 2640 1072 2448 1072 WIRE 1632 1088 1632 1040 WIRE 2224 1088 1952 1088 WIRE 1968 1152 1952 1152 WIRE 2064 1152 2048 1152 WIRE 2064 1168 2064 1152 WIRE 2224 1168 2224 1088 WIRE 2384 1168 2384 1120 WIRE 2384 1168 2224 1168 WIRE 2384 1216 2384 1168 WIRE 1824 1248 1824 1232 WIRE 2064 1248 2064 1232 WIRE 2384 1344 2384 1296 FLAG 1824 1248 0 FLAG 2064 1248 0 FLAG 2864 1008 0 FLAG 2752 1008 0 FLAG 2384 1344 0 FLAG 2864 896 OUT FLAG 1632 1088 0 FLAG 1504 1072 0 FLAG 2224 1024 0 SYMBOL CAP 2048 1168 R0 SYMATTR InstName C1 SYMATTR Value 1µ SYMBOL RES 1952 1168 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 1K SYMBOL schottky 2096 912 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value MBRS360 SYMBOL ind 1872 912 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 330µ SYMATTR SpiceLine Rser=0.02 Rpar=5000 SYMBOL polcap 2736 912 R0 SYMATTR InstName C2 SYMATTR Value 500µ SYMATTR SpiceLine Irms=35 Rser=0.05 SYMBOL PowerProducts\\LT1170HV 1824 1088 R0 SYMATTR InstName U1 SYMBOL RES 2848 896 R0 SYMATTR InstName Rload SYMATTR Value 12 SYMBOL cap 1616 976 R0 SYMATTR InstName C3 SYMATTR Value 100µ SYMATTR SpiceLine Irms=35 SYMBOL voltage 1504 928 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 42 SYMBOL cap 2208 928 R0 SYMATTR InstName C4 SYMATTR Value 470µ SYMATTR SpiceLine V=35 SYMBOL pnp 2448 1120 R180 SYMATTR InstName Q1 SYMATTR Value BC556B SYMBOL res 2480 880 M90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 0,01 SYMATTR SpiceLine pwr=5 SYMBOL res 2368 1200 R0 SYMATTR InstName R3 SYMATTR Value 1k TEXT 2152 1248 Left 2 !.tran 15m startup