Version 4
SHEET 1 1412 680
WIRE 288 32 -96 32
WIRE 448 32 288 32
WIRE 480 32 448 32
WIRE 576 32 560 32
WIRE 592 32 576 32
WIRE 896 32 688 32
WIRE 992 32 896 32
WIRE 1104 32 992 32
WIRE 1200 32 1104 32
WIRE -96 48 -96 32
WIRE 1104 48 1104 32
WIRE 1200 48 1200 32
WIRE 288 64 288 32
WIRE 896 80 896 32
WIRE 672 96 672 80
WIRE -96 144 -96 128
WIRE 448 144 448 32
WIRE 576 144 576 32
WIRE 992 144 992 32
WIRE 1104 144 1104 112
WIRE 1200 144 1200 128
WIRE 288 208 288 144
WIRE 288 208 208 208
WIRE 384 208 288 208
WIRE 672 208 672 176
WIRE 672 208 640 208
WIRE 688 208 672 208
WIRE 784 208 768 208
WIRE 208 224 208 208
WIRE 288 224 288 208
WIRE 992 288 992 224
WIRE 992 288 640 288
WIRE 992 304 992 288
WIRE 208 320 208 288
WIRE 288 320 288 304
WIRE 304 368 288 368
WIRE 384 368 368 368
WIRE 896 368 896 160
WIRE 896 368 640 368
WIRE 992 400 992 384
WIRE 512 432 512 416
FLAG 848 208 0
FLAG 288 320 0
FLAG 288 368 0
FLAG 512 432 0
FLAG 992 400 0
FLAG 1104 144 0
FLAG -96 144 0
FLAG 1200 144 0
FLAG 208 320 0
SYMBOL PowerProducts\\LT4256-2 512 272 R0
SYMATTR InstName U1
SYMBOL res 272 48 R0
SYMATTR InstName R1
SYMATTR Value 64.9K
SYMBOL res 272 208 R0
SYMATTR InstName R2
SYMATTR Value 8.06K
SYMBOL cap 368 352 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 33n
SYMBOL cap 848 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL res 656 80 R0
SYMATTR InstName R3
SYMATTR Value 10
SYMBOL res 784 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL res 576 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 20m
SYMBOL nmos 592 80 R270
WINDOW 0 57 49 VTop 2
WINDOW 3 27 95 VRight 2
SYMATTR InstName Q1
SYMATTR Value IRF530
SYMBOL res 976 128 R0
SYMATTR InstName R6
SYMATTR Value 36.5K
SYMBOL res 976 288 R0
SYMATTR InstName R7
SYMATTR Value 4.02K
SYMBOL res 880 64 R0
SYMATTR InstName R8
SYMATTR Value 27K
SYMBOL cap 1088 48 R0
SYMATTR InstName C3
SYMATTR Value 220µ
SYMBOL voltage -96 32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 2.7m 0 2.701m 48)
SYMBOL cap 192 224 R0
SYMATTR InstName C4
SYMATTR Value .1µ
SYMBOL res 1184 32 R0
SYMATTR InstName Rload
SYMATTR Value 200g
TEXT 752 416 Left 2 !.tran 25m