Version 4
SHEET 1 3680 1972
WIRE 1856 1232 1696 1232
WIRE 1968 1232 1856 1232
WIRE 2096 1232 2080 1232
WIRE 1696 1248 1696 1232
WIRE 1968 1264 1968 1232
WIRE 2096 1264 2096 1232
WIRE 1856 1312 1856 1232
WIRE 1872 1312 1856 1312
WIRE 2224 1312 2192 1312
WIRE 2336 1312 2304 1312
WIRE 1696 1344 1696 1328
WIRE 1856 1408 1856 1312
WIRE 1872 1408 1856 1408
WIRE 2336 1408 2192 1408
WIRE 2448 1408 2336 1408
WIRE 2528 1408 2448 1408
WIRE 2448 1424 2448 1408
WIRE 2528 1424 2528 1408
WIRE 1792 1504 1776 1504
WIRE 1872 1504 1856 1504
WIRE 2336 1504 2336 1488
WIRE 2336 1504 2192 1504
WIRE 2336 1520 2336 1504
WIRE 2448 1520 2448 1488
WIRE 2528 1520 2528 1504
WIRE 1872 1600 1824 1600
WIRE 2224 1600 2192 1600
WIRE 2224 1616 2224 1600
WIRE 2336 1616 2336 1600
WIRE 1968 1664 1968 1648
WIRE 2096 1664 2096 1648
WIRE 2224 1712 2224 1696
FLAG 2096 1664 0
FLAG 1968 1664 0
FLAG 1696 1344 0
FLAG 2528 1520 0
FLAG 2336 1616 0
FLAG 1776 1504 0
FLAG 2528 1408 OUT
FLAG 1696 1232 IN
FLAG 2448 1520 0
FLAG 2224 1712 0
FLAG 2080 1232 SW
FLAG 1824 1600 Comp
FLAG 2336 1312 IN
SYMBOL RES 2320 1392 R0
SYMATTR InstName R4
SYMATTR Value 60.4k
SYMBOL VOLTAGE 1696 1232 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value 3.3
SYMATTR InstName V2
SYMBOL res 2320 1504 R0
SYMATTR InstName R5
SYMATTR Value 60.4k
SYMBOL res 2512 1408 R0
SYMATTR InstName Rload
SYMATTR Value 0.1
SYMBOL cap 1856 1488 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 4.7n
SYMBOL cap 2432 1424 R0
SYMATTR InstName C7
SYMATTR Value 100µ
SYMBOL res 2320 1296 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 500K
SYMBOL res 2208 1600 R0
SYMATTR InstName R7
SYMATTR Value 274K
SYMBOL LTM4658 2032 1440 R0
SYMATTR InstName U2
TEXT 1928 1728 Left 2 !.tran .4m startup