Version 4
SHEET 1 880 680
WIRE -192 -176 -304 -176
WIRE -80 -176 -192 -176
WIRE 16 -176 -80 -176
WIRE 48 -176 16 -176
WIRE 416 -176 368 -176
WIRE 448 -176 416 -176
WIRE -192 -160 -192 -176
WIRE -80 -160 -80 -176
WIRE 448 -160 448 -176
WIRE -304 -144 -304 -176
WIRE -192 -80 -192 -96
WIRE 448 -80 448 -96
WIRE 448 -80 368 -80
WIRE -80 -64 -80 -80
WIRE 48 -64 -80 -64
WIRE 448 -64 448 -80
WIRE -304 -48 -304 -64
WIRE -80 -48 -80 -64
WIRE 448 16 448 0
WIRE -80 48 -80 32
WIRE 48 48 -80 48
WIRE 400 80 368 80
WIRE 448 80 400 80
WIRE 448 96 448 80
WIRE 448 192 448 176
WIRE 448 192 368 192
WIRE 48 208 16 208
WIRE 448 272 368 272
WIRE 16 288 0 288
WIRE 48 288 16 288
WIRE 448 288 448 272
WIRE 448 384 448 368
WIRE 208 400 208 368
FLAG 208 400 0
FLAG 16 208 0
FLAG -192 -80 0
FLAG -304 -48 0
FLAG 16 -176 VIN
FLAG 416 -176 VOUT
FLAG 448 384 0
FLAG 16 288 VIN
FLAG 448 16 0
FLAG 400 80 VIN
SYMBOL res -96 -176 R0
SYMATTR InstName R1
SYMATTR Value 1.5Meg
SYMBOL cap -208 -160 R0
SYMATTR InstName C1
SYMATTR Value 2.2µ
SYMBOL voltage -304 -160 R0
WINDOW 3 21 99 Left 2
WINDOW 39 -3 193 Left 2
SYMATTR Value 4.2
SYMATTR InstName V1
SYMBOL res -96 48 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 1.21Meg
SYMBOL res 432 272 R0
SYMATTR InstName R3
SYMATTR Value 2k
SYMBOL cap 432 -160 R0
SYMATTR InstName C2
SYMATTR Value 1
SYMBOL cap 432 -64 R0
SYMATTR InstName C3
SYMATTR Value 1
SYMBOL res 432 80 R0
SYMATTR InstName R4
SYMATTR Value 475k
SYMBOL LTC4425 208 80 R0
SYMATTR InstName U1
TEXT -240 384 Left 2 !.tran 40 startup