Version 4
SHEET 1 2020 1012
WIRE -448 16 -672 16
WIRE -128 16 -448 16
WIRE 96 16 -128 16
WIRE -448 32 -448 16
WIRE 96 32 96 16
WIRE -192 80 -336 80
WIRE -64 80 -192 80
WIRE 320 80 256 80
WIRE 560 80 400 80
WIRE -672 176 -672 16
WIRE -336 176 -336 80
WIRE -128 176 -128 16
WIRE -64 176 -128 176
WIRE 560 176 560 80
WIRE 560 176 256 176
WIRE -144 272 -176 272
WIRE -64 272 -80 272
WIRE 288 272 256 272
WIRE -672 368 -672 256
WIRE -336 368 -336 256
WIRE -160 368 -176 368
WIRE -64 368 -80 368
WIRE 288 368 288 336
WIRE 288 368 256 368
WIRE 352 368 288 368
WIRE 448 368 432 368
WIRE 560 368 560 176
WIRE 560 368 448 368
WIRE 656 368 560 368
WIRE 864 368 656 368
WIRE 448 384 448 368
WIRE 560 384 560 368
WIRE 864 384 864 368
WIRE 448 464 256 464
WIRE 448 480 448 464
WIRE 560 480 560 448
WIRE -240 560 -256 560
WIRE -160 560 -176 560
WIRE -64 560 -80 560
WIRE 272 560 256 560
WIRE 352 560 336 560
WIRE 448 576 448 560
WIRE 864 608 864 464
WIRE 96 624 96 608
FLAG 96 624 0
FLAG -176 368 0
FLAG 448 576 0
FLAG 560 480 0
FLAG 864 608 0
FLAG -672 368 0
FLAG -672 16 IN
FLAG 656 368 OUT
FLAG -448 96 0
FLAG -176 272 0
FLAG -256 560 0
FLAG 352 560 0
FLAG -336 368 0
FLAG -192 80 Enable
SYMBOL ind 336 384 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 15µ
SYMATTR SpiceLine Ipk=2.5 Rser=.125
SYMBOL res 432 368 R0
SYMATTR InstName R4
SYMATTR Value 536K
SYMATTR SpiceLine tol=1 pwr=.1
SYMBOL res 432 464 R0
SYMATTR InstName R5
SYMATTR Value 38.3K
SYMATTR SpiceLine tol=1 pwr=.1
SYMBOL res -64 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 73.2K
SYMATTR SpiceLine tol=1 pwr=.1
SYMBOL cap 544 384 R0
WINDOW 3 24 60 Left 2
SYMATTR Value 10µ
SYMATTR InstName C4
SYMATTR SpiceLine V=25 Irms=0 Rser=0.001 Lser=0 mfg="TDK" pn="C575OX7RIE106M" type="X7R"
SYMBOL cap 272 272 R0
SYMATTR InstName C5
SYMATTR Value 0.68µ
SYMBOL voltage -672 160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 -384 294 Left 2
WINDOW 3 -384 266 Left 2
SYMATTR SpiceLine Rser=.02
SYMATTR Value SINE(22 13 1500 1.5ms)
SYMATTR InstName V1
SYMBOL cap -464 32 R0
WINDOW 3 41 31 Left 2
SYMATTR Value 10µ
SYMATTR InstName C1
SYMATTR SpiceLine V=25 Irms=0 Rser=0.001 Lser=0 mfg="TDK" pn="C575OX7RIE106M" type="X7R"
SYMBOL PowerProducts\\LT3690 96 272 R0
SYMATTR InstName U1
SYMBOL cap -80 256 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 0.47µ
SYMBOL res -64 544 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 21.5K
SYMBOL cap -176 544 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 1000p
SYMBOL res 416 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL cap 272 576 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value 1000pF
SYMBOL voltage -336 160 R0
WINDOW 3 -183 279 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(0 3 .5ms 0.001us 0.001us 3ms)
SYMATTR InstName V2
SYMBOL ind 848 368 R0
SYMATTR InstName L1
SYMATTR Value 470µ
SYMATTR SpiceLine Rser=6
TEXT 568 600 Left 2 !.tran 5ms startup
TEXT -720 -72 Left 2 ;Evaluate D1 for 4A v. 5A, based on the initial inrush.
