Version 4
SHEET 1 1688 1092
WIRE -1216 -448 -1264 -448
WIRE -1168 -448 -1216 -448
WIRE -1040 -448 -1088 -448
WIRE -800 -448 -1040 -448
WIRE -1216 -416 -1216 -448
WIRE -1216 -320 -1216 -352
WIRE -1040 -320 -1040 -448
WIRE -1040 -224 -1040 -256
WIRE -1328 -144 -1408 -144
WIRE -1136 -144 -1248 -144
WIRE -1104 -144 -1136 -144
WIRE -976 -144 -1024 -144
WIRE -160 -144 -160 -208
WIRE -1408 -112 -1408 -144
WIRE -320 -80 -384 -80
WIRE 48 -48 0 -48
WIRE -320 -16 -384 -16
WIRE -1408 0 -1408 -32
WIRE -1136 32 -1136 -144
WIRE -976 32 -1136 32
WIRE -320 48 -384 48
WIRE -320 112 -384 112
WIRE -1184 160 -1248 160
WIRE -736 160 -816 160
WIRE -160 208 -160 176
WIRE -1248 304 -1248 160
WIRE -1456 352 -1536 352
WIRE -1312 352 -1376 352
WIRE -1248 464 -1248 400
WIRE -816 464 -816 160
WIRE -1248 576 -1248 544
WIRE -1008 576 -1248 576
WIRE -816 592 -816 544
WIRE -1248 608 -1248 576
WIRE -816 624 -816 592
WIRE -1248 720 -1248 688
FLAG -1040 -224 0
FLAG -800 -448 Osc
IOPIN -800 -448 BiDir
FLAG -1264 -448 Ref
IOPIN -1264 -448 BiDir
FLAG -1216 -320 0
FLAG -976 -144 Err
IOPIN -976 -144 BiDir
FLAG -736 160 Vcc
IOPIN -736 160 Out
FLAG -816 624 0
FLAG -1248 720 0
FLAG -1008 576 Ifb
IOPIN -1008 576 Out
FLAG -1536 352 Osc
IOPIN -1536 352 In
FLAG -816 592 Com
FLAG -1408 0 0
FLAG -976 32 Vfb
IOPIN -976 32 Out
FLAG -1184 160 Vref
IOPIN -1184 160 In
FLAG -384 48 Ref
IOPIN -384 48 BiDir
FLAG -384 112 Osc
IOPIN -384 112 BiDir
FLAG -384 -16 Err
IOPIN -384 -16 BiDir
FLAG -384 -80 Vfb
IOPIN -384 -80 Out
FLAG -160 -208 Vcc
IOPIN -160 -208 Out
FLAG -160 208 0
SYMBOL cap -1056 -320 R0
SYMATTR InstName C12
SYMATTR Value 224.4n
SYMBOL res -1072 -464 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 0.977k
SYMBOL cap -1232 -416 R0
SYMATTR InstName C13
SYMATTR Value 0.33u
SYMBOL res -1008 -160 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL voltage -816 448 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 11.9
SYMBOL npn -1312 304 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL voltage -1408 -128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 2
SYMBOL res -1232 -160 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL res -1264 448 R0
SYMATTR InstName R9
SYMATTR Value 0.75MEG
SYMBOL res -1264 592 R0
SYMATTR InstName R10
SYMATTR Value 4.25k
SYMBOL res -1360 336 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R11
SYMATTR Value 10k
SYMBOL EXTRA\\UC\\UC384xA\\LT3843A3 -160 16 R0
SYMATTR InstName U1
TEXT -1120 816 Left 0 !.tran 0 10m 0 100n