Version 4
SHEET 1 1932 680
WIRE 464 -288 336 -288
WIRE 816 -288 544 -288
WIRE 336 -272 336 -288
WIRE 816 -272 816 -288
WIRE 704 -224 688 -224
WIRE 1024 -192 928 -192
WIRE 336 -176 336 -192
WIRE 1024 -176 1024 -192
WIRE 704 -160 688 -160
WIRE 944 -112 928 -112
WIRE 704 -96 592 -96
WIRE 1024 -96 1024 -112
WIRE 592 -80 592 -96
WIRE 704 -32 672 -32
WIRE 208 0 208 -16
WIRE 592 16 592 0
WIRE 672 16 672 -32
WIRE 672 16 592 16
WIRE 208 96 208 80
WIRE 592 112 592 16
WIRE 816 112 816 96
WIRE 592 208 592 192
FLAG 592 208 0
FLAG 208 96 0
FLAG 208 -16 tempC
FLAG 336 -176 0
FLAG 816 112 0
FLAG 1024 -96 0
FLAG 688 -224 0
FLAG 688 -160 0
SYMBOL res 576 96 R0
SYMATTR InstName R1
SYMATTR Value R=10K*exp(3490/(V(tempC)+273) - 3490/298)
SYMBOL voltage 208 -16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 300 80)
SYMBOL voltage 336 -288 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 0 1 10)
SYMBOL res 560 -304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL res 576 -96 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL cap 1008 -176 R0
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL PowerProducts\\LTC4071 816 -64 R0
SYMATTR InstName U1
TEXT 1168 224 Left 2 !.tran 300