Version 4 SHEET 1 3836 1412 WIRE 2752 880 2576 880 WIRE 2848 880 2752 880 WIRE 2944 880 2912 880 WIRE 2752 896 2752 880 WIRE 2576 912 2576 880 WIRE 2416 976 2304 976 WIRE 2448 976 2416 976 WIRE 2752 976 2752 960 WIRE 2752 976 2704 976 WIRE 2816 976 2752 976 WIRE 2944 976 2944 880 WIRE 2944 976 2896 976 WIRE 3056 976 2944 976 WIRE 3136 976 3056 976 WIRE 3216 976 3136 976 WIRE 2304 992 2304 976 WIRE 2752 992 2752 976 WIRE 2944 992 2944 976 WIRE 3136 992 3136 976 WIRE 3216 992 3216 976 WIRE 3056 1008 3056 976 WIRE 2752 1072 2752 1056 WIRE 2304 1088 2304 1072 WIRE 3136 1088 3136 1056 WIRE 3216 1088 3216 1072 WIRE 2416 1104 2416 976 WIRE 2448 1104 2416 1104 WIRE 2944 1104 2944 1072 WIRE 2944 1104 2704 1104 WIRE 3056 1104 3056 1072 WIRE 3056 1104 2944 1104 WIRE 2944 1120 2944 1104 WIRE 2576 1184 2576 1168 WIRE 2944 1216 2944 1200 FLAG 2304 1088 0 FLAG 2576 1184 0 FLAG 2944 1216 0 FLAG 2752 1072 0 FLAG 3136 1088 0 FLAG 3216 1088 0 FLAG 3216 976 OUT FLAG 2304 976 IN SYMBOL VOLTAGE 2304 976 R0 WINDOW 0 27 22 Left 2 WINDOW 3 29 98 Left 2 SYMATTR InstName V1 SYMATTR Value 6 SYMBOL cap 2736 896 R0 WINDOW 3 32 44 Left 2 SYMATTR Value .1µ SYMATTR InstName C1 SYMBOL ind 2800 992 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 20µ SYMBOL RES 2928 976 R0 SYMATTR InstName R1 SYMATTR Value 32.4K SYMBOL res 2928 1216 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R2 SYMATTR Value 10K SYMBOL schottky 2736 1056 M180 WINDOW 0 41 52 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value MBRS340 SYMBOL cap 3120 992 R0 SYMATTR InstName C2 SYMATTR Value 10µ SYMBOL res 3200 976 R0 SYMATTR InstName Rload SYMATTR Value 3 SYMBOL schottky 2912 864 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL PowerProducts\\LT3493 2576 1040 R0 SYMATTR InstName U1 SYMBOL cap 3040 1008 R0 SYMATTR InstName C3 SYMATTR Value 22p TEXT 3064 1192 Left 2 !.tran 250u startup