Version 4
SHEET 1 1192 708
WIRE 464 -96 304 -96
WIRE 544 -96 464 -96
WIRE 640 -96 608 -96
WIRE 464 -80 464 -96
WIRE 96 -64 0 -64
WIRE 208 -64 96 -64
WIRE 0 -48 0 -64
WIRE 208 -48 208 -64
WIRE 304 -48 304 -96
WIRE 96 16 96 -64
WIRE 112 16 96 16
WIRE 464 16 464 -16
WIRE 464 16 400 16
WIRE 544 16 464 16
WIRE 640 16 640 -96
WIRE 640 16 624 16
WIRE 688 16 640 16
WIRE 784 16 688 16
WIRE 800 16 784 16
WIRE 896 16 880 16
WIRE 928 16 896 16
WIRE 976 16 928 16
WIRE 1088 16 1056 16
WIRE 464 32 464 16
WIRE 688 32 688 16
WIRE 928 32 928 16
WIRE 1088 32 1088 16
WIRE 0 48 0 32
WIRE 112 112 96 112
WIRE 416 112 400 112
WIRE 688 112 688 96
WIRE 416 128 416 112
WIRE 640 128 640 16
WIRE 640 128 416 128
WIRE 928 128 928 96
WIRE 1088 128 1088 112
WIRE 16 208 0 208
WIRE 112 208 96 208
WIRE 784 208 784 16
WIRE 784 208 400 208
WIRE 112 304 96 304
WIRE 784 304 400 304
WIRE 896 304 896 16
WIRE 896 304 784 304
WIRE 784 320 784 304
WIRE 896 320 896 304
WIRE 16 400 0 400
WIRE 112 400 96 400
WIRE 784 400 784 384
WIRE 784 400 400 400
WIRE 896 400 784 400
WIRE 208 480 208 464
WIRE 304 480 304 464
WIRE 304 560 304 544
FLAG 208 480 0
FLAG 304 560 0
FLAG 0 208 0
FLAG 0 48 0
FLAG 688 112 0
FLAG 1088 128 0
FLAG 1088 16 OUT
FLAG 0 -64 IN
FLAG 0 400 0
FLAG 928 128 0
FLAG 464 96 0
SYMBOL res 112 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 255K
SYMBOL voltage 0 -64 R0
SYMATTR InstName V1
SYMATTR Value 20
SYMBOL ind 528 32 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 10µ
SYMATTR SpiceLine Rser=10m
SYMBOL cap 448 -80 R0
SYMATTR InstName C3
SYMATTR Value 1µ
SYMBOL cap 672 32 R0
WINDOW 3 35 32 Left 2
WINDOW 123 26 57 Left 2
SYMATTR Value 47µ
SYMATTR InstName C4
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
SYMBOL res 880 304 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL cap 768 320 R0
SYMATTR InstName C5
SYMATTR Value .01µ
SYMBOL res 1072 16 R0
SYMATTR InstName Rload
SYMATTR Value 2
SYMBOL res 784 32 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 22m
SYMBOL res 960 32 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value .26
SYMBOL res 0 416 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 16.5K
SYMBOL PowerProducts\\LT3697 256 208 R0
SYMATTR InstName U1
SYMBOL cap 288 480 R0
WINDOW 39 24 55 Left 2
WINDOW 3 37 30 Left 2
SYMATTR SpiceLine Rser=7.5K Cpar=330p
SYMATTR InstName C6
SYMATTR Value 1000p
SYMBOL diode 608 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N914
SYMBOL cap 912 32 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=5m
SYMBOL schottky 448 96 M180
WINDOW 0 38 50 Left 2
WINDOW 3 33 13 Left 2
SYMATTR InstName D2
SYMATTR Value B550C
SYMATTR Description Diode
SYMATTR Type diode
TEXT 704 472 Left 2 !.tran 1m startup