Version 4
SHEET 1 1684 820
WIRE -1120 -64 -1120 -96
WIRE -960 -64 -960 -96
WIRE -800 -64 -800 -96
WIRE -1376 16 -1424 16
WIRE -1264 16 -1296 16
WIRE -640 16 -672 16
WIRE -512 16 -640 16
WIRE -496 16 -512 16
WIRE -496 32 -496 16
WIRE -1376 112 -1424 112
WIRE -1264 112 -1296 112
WIRE -640 112 -640 16
WIRE -640 112 -672 112
WIRE -496 144 -496 112
WIRE -640 208 -640 112
WIRE -640 208 -672 208
WIRE -1264 304 -1296 304
WIRE -544 304 -672 304
WIRE -512 304 -544 304
WIRE -512 384 -512 304
WIRE -1296 400 -1296 304
WIRE -1264 400 -1296 400
WIRE -640 400 -672 400
WIRE -1264 496 -1344 496
WIRE -640 496 -672 496
WIRE -1344 528 -1344 496
WIRE -1264 592 -1296 592
WIRE -640 592 -640 496
WIRE -640 592 -672 592
WIRE -544 592 -640 592
WIRE -512 592 -512 464
WIRE -512 592 -544 592
WIRE -1344 624 -1344 608
WIRE -512 672 -512 656
WIRE -1296 688 -1296 592
WIRE -1264 688 -1296 688
WIRE -656 688 -672 688
WIRE -1088 768 -1088 752
WIRE -848 768 -848 752
FLAG -1424 112 0
FLAG -960 -96 VTEC
FLAG -800 -96 ITEC
FLAG -512 672 0
FLAG -1088 768 0
FLAG -848 768 0
FLAG -656 688 0
FLAG -496 144 0
FLAG -1344 624 0
FLAG -1424 16 0
FLAG -544 304 TEC+
FLAG -544 592 TEC-
FLAG -512 16 VIN
FLAG -640 400 SW
FLAG -1120 -96 VREF
SYMBOL res -1280 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 49.9k
SYMBOL cap -528 592 R0
SYMATTR Value 10µ
SYMATTR InstName C2
SYMATTR SpiceLine Rser=2m
SYMBOL voltage -496 16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -1344 512 M0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(1.25 200m 40 80m)
SYMBOL res -1280 0 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 23.2k
SYMBOL LTM4663 -960 272 R0
SYMATTR InstName U1
SYMBOL res -528 368 R0
SYMATTR InstName RTEC
SYMATTR Value 1
TEXT -448 728 Left 2 !.tran 0.2 startup