Version 4
SHEET 1 1696 840
WIRE 48 -192 -160 -192
WIRE 496 -192 48 -192
WIRE -160 -176 -160 -192
WIRE 192 -160 160 -160
WIRE 192 -144 192 -160
WIRE 336 -144 336 -160
WIRE -160 -80 -160 -96
WIRE 48 -80 48 -192
WIRE 80 -80 48 -80
WIRE 496 -80 496 -192
WIRE 496 -80 464 -80
WIRE 48 16 48 -80
WIRE 80 16 48 16
WIRE 496 16 496 -80
WIRE 496 16 464 16
WIRE -32 112 -64 112
WIRE 80 112 48 112
WIRE 496 112 464 112
WIRE 592 112 576 112
WIRE -448 208 -480 208
WIRE -384 208 -448 208
WIRE -272 208 -384 208
WIRE -144 208 -272 208
WIRE 80 208 -144 208
WIRE 624 208 464 208
WIRE 736 208 624 208
WIRE 848 208 736 208
WIRE 944 208 848 208
WIRE 960 208 944 208
WIRE -480 224 -480 208
WIRE -384 224 -384 208
WIRE -272 224 -272 208
WIRE -144 224 -144 208
WIRE 624 224 624 208
WIRE 736 224 736 208
WIRE 848 224 848 208
WIRE 960 224 960 208
WIRE -144 304 -144 288
WIRE 0 304 -144 304
WIRE 80 304 0 304
WIRE 528 304 464 304
WIRE 624 304 624 288
WIRE 624 304 528 304
WIRE -384 320 -384 288
WIRE -272 320 -272 288
WIRE 736 320 736 288
WIRE 848 320 848 288
WIRE -480 336 -480 304
WIRE 960 336 960 304
WIRE 80 400 48 400
WIRE 480 400 464 400
WIRE -16 496 -48 496
WIRE 80 496 48 496
WIRE 496 496 464 496
WIRE 592 496 560 496
WIRE 272 576 272 560
WIRE 400 576 400 560
FLAG 272 576 0
FLAG 400 576 0
FLAG -48 496 0
FLAG 160 -160 IntVcc
FLAG 592 112 IntVcc
FLAG -64 112 IntVcc
FLAG 48 400 COMP1
FLAG 480 400 COMP2
FLAG -448 208 OUT1
FLAG 944 208 OUT2
FLAG 0 304 FB1
FLAG 528 304 FB2
FLAG -144 384 0
FLAG 624 384 0
FLAG -160 -80 0
FLAG -480 336 0
FLAG 960 336 0
FLAG 336 -160 0
FLAG -160 -192 IN
FLAG 592 496 0
FLAG -272 320 0
FLAG -384 320 0
FLAG 848 320 0
FLAG 736 320 0
SYMBOL res 608 288 R0
SYMATTR InstName R8
SYMATTR Value 90.9k
SYMBOL res -160 288 R0
SYMATTR InstName R9
SYMATTR Value 19.1k
SYMBOL voltage -160 -192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 496 480 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL cap -288 224 R0
WINDOW 123 24 84 Left 2
SYMATTR Value2 X2
SYMATTR InstName C2
SYMATTR Value 47µ
SYMBOL cap -400 224 R0
SYMATTR InstName C3
SYMATTR Value 10µ
SYMBOL cap 832 224 R0
WINDOW 123 24 84 Left 2
SYMATTR Value2 X2
SYMATTR InstName C4
SYMATTR Value 47µ
SYMBOL cap 720 224 R0
SYMATTR InstName C5
SYMATTR Value 10µ
SYMBOL cap -160 224 R0
SYMATTR InstName C6
SYMATTR Value 100p
SYMBOL cap 608 224 R0
SYMATTR InstName C7
SYMATTR Value 100p
SYMBOL cap 48 480 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value 1n
SYMBOL res 592 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL res 64 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res 944 208 R0
SYMATTR InstName R3
SYMATTR Value 0.2
SYMBOL res -496 208 R0
SYMATTR InstName R4
SYMATTR Value 0.5
SYMBOL LTM4705 272 256 R0
SYMATTR InstName U1
TEXT 680 480 Left 2 !.tran 0.8m startup
TEXT -544 192 Left 2 ;2.5V
TEXT 1008 192 Left 2 ;1V