Version 4
SHEET 1 1736 700
WIRE 688 -16 528 -16
WIRE 976 -16 688 -16
WIRE 1072 -16 976 -16
WIRE 528 0 528 -16
WIRE 1072 0 1072 -16
WIRE 976 80 976 -16
WIRE 528 96 528 80
WIRE 688 96 688 -16
WIRE 1072 96 1072 80
WIRE 192 160 80 160
WIRE 432 160 192 160
WIRE 928 160 784 160
WIRE 80 176 80 160
WIRE 432 224 416 224
WIRE 832 224 784 224
WIRE 976 224 976 176
WIRE 976 224 832 224
WIRE 1088 224 976 224
WIRE 1120 224 1088 224
WIRE 1232 224 1200 224
WIRE 1280 224 1232 224
WIRE 1376 224 1280 224
WIRE 1280 240 1280 224
WIRE 1376 240 1376 224
WIRE 192 256 192 160
WIRE 1088 256 1088 224
WIRE 80 272 80 256
WIRE 336 288 320 288
WIRE 432 288 400 288
WIRE 832 288 784 288
WIRE 976 336 976 224
WIRE 1280 336 1280 304
WIRE 1376 336 1376 320
WIRE 432 352 416 352
WIRE 832 352 784 352
WIRE 1088 352 1088 320
WIRE 256 416 240 416
WIRE 336 416 320 416
WIRE 432 416 416 416
WIRE 928 416 784 416
WIRE 976 448 976 432
WIRE 192 480 192 336
WIRE 432 480 192 480
WIRE 1232 480 1232 224
WIRE 1232 480 784 480
WIRE 832 496 832 352
WIRE 528 560 528 544
WIRE 688 560 688 544
WIRE 832 576 832 560
FLAG 528 560 0
FLAG 688 560 0
FLAG 976 448 0
FLAG 832 576 0
FLAG 1088 352 0
FLAG 1376 336 0
FLAG 1280 336 0
FLAG 240 416 0
FLAG 80 272 0
FLAG 320 288 0
FLAG 1376 224 OUT
FLAG 1072 96 0
FLAG 80 160 IN
SYMBOL NMOS 928 336 R0
SYMATTR InstName Q1
SYMATTR Value IRF7303
SYMBOL RES 512 -16 R0
SYMATTR InstName R1
SYMATTR Value 715K
SYMBOL schottky 816 352 M180
WINDOW 0 37 45 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL cap 816 496 R0
SYMATTR InstName C1
SYMATTR Value 4.7µ
SYMBOL schottky 1072 320 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL nmos 928 80 R0
SYMATTR InstName Q2
SYMATTR Value IRF7303
SYMBOL ind 1104 240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 1.8µ
SYMBOL polcap 1264 240 R0
SYMATTR InstName C2
SYMATTR Value 360µ
SYMATTR SpiceLine Rser=.02
SYMBOL res 432 400 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 20K
SYMBOL cap 320 400 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 470p
SYMBOL res 176 240 R0
SYMATTR InstName R3
SYMATTR Value 3.3K
SYMBOL VOLTAGE 80 160 R0
SYMATTR InstName V1
SYMATTR Value 6
SYMBOL cap 400 272 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value .001µ
SYMBOL cap 816 224 R0
WINDOW 0 35 17 Left 2
WINDOW 3 33 48 Left 2
SYMATTR InstName C5
SYMATTR Value .22µ
SYMBOL POWERPRODUCTS\\LTC3717 608 320 R0
SYMATTR InstName U1
SYMBOL VOLTAGE 1072 -16 R0
SYMATTR InstName V2
SYMATTR Value 2.5
SYMBOL res 1360 224 R0
SYMATTR InstName Rload
SYMATTR Value 5
TEXT 944 544 Left 2 !.tran 2m startup