Version 4
SHEET 1 1600 1220
WIRE 576 720 144 720
WIRE 592 720 576 720
WIRE 688 720 672 720
WIRE 208 784 32 784
WIRE 240 784 208 784
WIRE 576 784 576 720
WIRE 576 784 528 784
WIRE 32 800 32 784
WIRE 144 848 144 720
WIRE 208 848 208 784
WIRE 240 848 208 848
WIRE 560 848 528 848
WIRE 656 848 624 848
WIRE 32 896 32 880
WIRE 240 912 208 912
WIRE 544 912 528 912
WIRE 144 976 144 928
WIRE 144 976 -16 976
WIRE 240 976 144 976
WIRE 544 976 528 976
WIRE -16 992 -16 976
WIRE 144 1008 144 976
WIRE -16 1088 -16 1072
WIRE 144 1088 144 1072
WIRE 208 1104 208 912
WIRE 352 1104 208 1104
WIRE 544 1104 544 976
WIRE 544 1104 416 1104
FLAG 656 848 0
FLAG 544 912 0
FLAG 32 896 0
FLAG -16 1088 0
FLAG 144 1088 0
FLAG 688 720 0
FLAG -16 976 OUT
FLAG 32 784 IN
SYMBOL cap 560 864 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL cap 416 1088 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .1µ
SYMBOL VOLTAGE 32 784 R0
SYMATTR InstName V1
SYMATTR Value 4.5
SYMBOL cap 128 1008 R0
SYMATTR InstName C3
SYMATTR Value 10µ
SYMBOL PowerProducts\\LTC1550LCS8 384 880 R0
SYMATTR InstName U1
SYMBOL res 128 832 R0
SYMATTR InstName R1
SYMATTR Value 3K
SYMBOL res 688 704 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL RES -32 976 R0
SYMATTR InstName Rload
SYMATTR Value 1K
TEXT 616 1064 Left 2 !.tran .5m startup