Version 4
SHEET 1 2580 932
WIRE 320 16 320 -16
WIRE 448 16 448 -16
WIRE -32 64 -48 64
WIRE 192 64 48 64
WIRE 320 128 320 96
WIRE 448 128 448 96
WIRE 192 176 192 64
WIRE 240 176 192 176
WIRE -32 192 -48 192
WIRE 160 192 48 192
WIRE 160 240 160 192
WIRE 240 240 160 240
WIRE 608 272 528 272
WIRE 608 288 608 272
WIRE -32 304 -48 304
WIRE 240 304 48 304
WIRE 240 368 176 368
WIRE 608 368 608 352
WIRE 384 416 384 400
WIRE -32 448 -48 448
WIRE 176 448 176 368
WIRE 176 448 48 448
FLAG 384 416 0
FLAG -48 304 0
FLAG 320 -16 0
FLAG 448 -16 0
FLAG -48 192 0
FLAG -48 64 0
FLAG -48 448 0
FLAG 608 272 OUT
FLAG 608 368 0
SYMBOL voltage 64 304 R90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -49 44 VRight 2
WINDOW 3 46 -99 VRight 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 3.3 0 0.1n 0.1n 19.8n 40n)
SYMBOL voltage 320 112 M180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage 448 112 M180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 2.5
SYMBOL voltage 64 192 R90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -49 44 VRight 2
WINDOW 3 46 -89 VRight 2
SYMATTR InstName V4
SYMATTR Value PULSE(0 3.3 0 0.1n 0.1n 9.9n 20n)
SYMBOL voltage 64 64 R90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -49 44 VRight 2
WINDOW 3 46 -122 VRight 2
SYMATTR InstName V5
SYMATTR Value PWL(0 3.3 0.6u 3.3 +2n 0 +0.31u 0 +2n 3.3)
SYMBOL voltage 64 448 R90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -49 44 VRight 2
WINDOW 3 46 -99 VRight 2
SYMATTR InstName V6
SYMATTR Value PWL(0 3.3 2u 3.3 +2n 0 +30n 0 +2n 3.3)
SYMBOL cap 592 288 R0
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL LTC2641A-16 384 272 R0
SYMATTR InstName U1
TEXT 632 432 Left 2 !.tran 3u