Version 4 SHEET 1 2776 1716 WIRE 1904 1120 1728 1120 WIRE 2096 1120 1904 1120 WIRE 2256 1120 2096 1120 WIRE 1904 1136 1904 1120 WIRE 2256 1136 2256 1120 WIRE 2096 1184 2096 1120 WIRE 1728 1200 1728 1120 WIRE 2256 1232 2256 1216 WIRE 1568 1264 1536 1264 WIRE 2048 1264 1888 1264 WIRE 1392 1360 1376 1360 WIRE 1472 1360 1456 1360 WIRE 1568 1360 1552 1360 WIRE 1904 1360 1904 1200 WIRE 1904 1360 1888 1360 WIRE 1936 1360 1904 1360 WIRE 2096 1360 2096 1280 WIRE 2096 1360 2000 1360 WIRE 2144 1360 2096 1360 WIRE 2256 1360 2224 1360 WIRE 2368 1360 2256 1360 WIRE 2496 1360 2368 1360 WIRE 2608 1360 2496 1360 WIRE 2096 1376 2096 1360 WIRE 2496 1376 2496 1360 WIRE 2608 1376 2608 1360 WIRE 2256 1424 2256 1360 WIRE 2368 1424 2368 1360 WIRE 1568 1456 1536 1456 WIRE 2048 1456 1888 1456 WIRE 2496 1472 2496 1440 WIRE 2608 1472 2608 1456 WIRE 2096 1488 2096 1472 WIRE 1728 1536 1728 1520 WIRE 1536 1568 1536 1456 WIRE 2256 1568 2256 1504 WIRE 2256 1568 1536 1568 WIRE 2368 1568 2368 1488 WIRE 2368 1568 2256 1568 WIRE 2256 1584 2256 1568 WIRE 2256 1680 2256 1664 FLAG 1376 1360 0 FLAG 1728 1536 0 FLAG 2096 1488 0 FLAG 2496 1472 0 FLAG 2608 1472 0 FLAG 2256 1232 0 FLAG 2608 1360 OUT FLAG 2256 1680 0 FLAG 2256 1120 IN SYMBOL cap 1456 1344 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value .01µ SYMBOL RES 1568 1344 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 15K SYMBOL NMOS 2048 1184 R0 SYMATTR InstName Q1 SYMATTR Value Si9428DY SYMBOL nmos 2048 1376 R0 SYMATTR InstName Q2 SYMATTR Value Si9428DY SYMBOL schottky 1888 1136 R0 SYMATTR InstName D1 SYMATTR Value MBR0520L SYMBOL cap 2000 1344 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL ind 2128 1376 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 3.2µ SYMBOL cap 2480 1376 R0 SYMATTR InstName C3 SYMATTR Value 270µ SYMATTR SpiceLine Rser=15m SYMBOL VOLTAGE 2256 1120 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL POWERPRODUCTS\\LTC3830ES8 1728 1360 R0 SYMATTR InstName U1 SYMBOL RES 2240 1408 R0 SYMATTR InstName R2 SYMATTR Value 5.36K SYMBOL RES 2240 1568 R0 SYMATTR InstName R3 SYMATTR Value 12.7K SYMBOL cap 2352 1424 R0 SYMATTR InstName C4 SYMATTR Value .0033µ SYMBOL res 2592 1360 R0 SYMATTR InstName Rload SYMATTR Value 2 TEXT 1952 1632 Left 2 !.tran 2m startup