Version 4
SHEET 1 1516 692
WIRE -528 208 -1344 208
WIRE -464 208 -528 208
WIRE -352 208 -400 208
WIRE 336 208 -352 208
WIRE 400 208 336 208
WIRE 512 208 400 208
WIRE 656 208 512 208
WIRE -528 240 -528 208
WIRE 400 256 400 208
WIRE -1344 272 -1344 208
WIRE -352 288 -352 208
WIRE 336 288 336 208
WIRE 336 288 320 288
WIRE 656 304 656 208
WIRE 512 320 512 208
WIRE -128 368 -144 368
WIRE -32 368 -48 368
WIRE 400 368 400 336
WIRE 400 368 320 368
WIRE -1344 448 -1344 352
WIRE -480 448 -1344 448
WIRE -352 448 -352 352
WIRE -352 448 -416 448
WIRE -144 448 -144 368
WIRE -144 448 -352 448
WIRE -32 448 -144 448
WIRE 512 448 512 384
WIRE 512 448 320 448
WIRE 656 448 656 384
WIRE 656 448 512 448
FLAG 656 448 OUT
FLAG -528 240 0
FLAG -352 448 IN
SYMBOL voltage -1344 256 R0
WINDOW 3 37 54 Left 2
WINDOW 123 25 90 Left 2
SYMATTR Value PWL(0 0 10m 6 250m 6 260m 5 500m 5 505m 8 555m 8 560m 4 610m 4
SYMATTR Value2 611m 17 621m 17 622m 8 627m 8 628m 17 638m 17 639m 8 659m 8 660m 57)
SYMATTR InstName VPSE
SYMBOL res -32 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Rclass
SYMATTR Value 30.9
SYMBOL res 384 240 R0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL cap 496 320 R0
WINDOW 39 24 84 Left 2
SYMATTR SpiceLine Rser=10m
SYMATTR InstName Cload
SYMATTR Value 100µ
SYMBOL cap -368 288 R0
WINDOW 39 24 84 Left 2
SYMATTR SpiceLine Rser=10m
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL diode -464 192 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value MURS120
SYMBOL diode -416 464 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value MURS120
SYMBOL res 640 288 R0
SYMATTR InstName Rload
SYMATTR Value 1.3K
SYMBOL LTC4257 144 368 R0
WINDOW 0 0 -63 Center 2
WINDOW 3 0 78 Center 2
SYMATTR InstName U1
TEXT 376 512 Left 2 !.tran 0.8
TEXT -448 400 Bottom 2 ;Diode Bridge
TEXT -144 488 Top 2 ;Set for Class 4 Load