Version 4 SHEET 1 2976 2064 WIRE 1344 1664 1328 1664 WIRE 1408 1664 1344 1664 WIRE 1504 1664 1408 1664 WIRE 1584 1664 1504 1664 WIRE 1856 1664 1840 1664 WIRE 1952 1664 1936 1664 WIRE 2032 1664 1952 1664 WIRE 2112 1664 2032 1664 WIRE 2176 1664 2112 1664 WIRE 2192 1664 2176 1664 WIRE 1328 1680 1328 1664 WIRE 1504 1680 1504 1664 WIRE 2032 1680 2032 1664 WIRE 2192 1680 2192 1664 WIRE 1952 1696 1952 1664 WIRE 2112 1696 2112 1664 WIRE 1408 1712 1408 1664 WIRE 1328 1776 1328 1760 WIRE 1504 1776 1504 1760 WIRE 1584 1776 1504 1776 WIRE 1952 1776 1952 1760 WIRE 1952 1776 1840 1776 WIRE 2032 1776 2032 1760 WIRE 2032 1776 1952 1776 WIRE 1504 1792 1504 1776 WIRE 2112 1792 2112 1760 WIRE 2192 1792 2192 1760 WIRE 2032 1808 2032 1776 WIRE 1408 1888 1408 1792 WIRE 1584 1888 1408 1888 WIRE 1504 1920 1504 1872 WIRE 2032 1920 2032 1888 WIRE 1712 1984 1712 1968 FLAG 1328 1776 0 FLAG 1344 1664 IN FLAG 2192 1792 0 FLAG 2176 1664 OUT FLAG 2112 1792 0 FLAG 1712 1984 0 FLAG 1504 1920 0 FLAG 2032 1920 0 SYMBOL ind 1840 1680 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 1µ SYMATTR SpiceLine Rser=2m SYMBOL VOLTAGE 1328 1664 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL cap 2096 1696 R0 SYMATTR InstName C2 SYMATTR Value 22µ SYMBOL res 2176 1664 R0 SYMATTR InstName Rload SYMATTR Value 0.6857 SYMBOL LTC3306C 1712 1776 R0 SYMATTR InstName U2 SYMBOL res 1488 1664 R0 SYMATTR InstName R1 SYMATTR Value 402k SYMBOL res 1488 1776 R0 SYMATTR InstName R2 SYMATTR Value 100k SYMBOL res 1392 1696 R0 SYMATTR InstName R3 SYMATTR Value 100k SYMBOL cap 1936 1696 R0 SYMATTR InstName C1 SYMATTR Value 33p SYMBOL res 2016 1664 R0 SYMATTR InstName R4 SYMATTR Value 20k SYMBOL res 2016 1792 R0 SYMATTR InstName R5 SYMATTR Value 14.3k TEXT 1608 2024 Left 2 !.tran 1.2m startup TEXT 1456 1488 Left 2 ;The output voltage is adjustable from \n0.5V to 3.65V in 50mV increments.\n \nTo use external resistors, please set Vout to 0.5V