Version 4
SHEET 1 1676 1112
WIRE 192 -16 80 -16
WIRE 432 -16 192 -16
WIRE 592 -16 432 -16
WIRE 992 -16 592 -16
WIRE 80 0 80 -16
WIRE 432 0 432 -16
WIRE 192 32 192 -16
WIRE 992 80 992 -16
WIRE 80 96 80 80
WIRE 432 96 432 80
WIRE 592 96 592 -16
WIRE 192 160 192 112
WIRE 320 160 192 160
WIRE 944 160 704 160
WIRE 320 224 304 224
WIRE 832 224 704 224
WIRE 992 224 992 176
WIRE 992 224 832 224
WIRE 1056 224 992 224
WIRE 1104 224 1056 224
WIRE 1216 224 1184 224
WIRE 1264 224 1216 224
WIRE 1344 224 1264 224
WIRE 1408 224 1344 224
WIRE 1264 240 1264 224
WIRE 1408 240 1408 224
WIRE 1056 256 1056 224
WIRE 320 288 304 288
WIRE 832 288 832 224
WIRE 832 288 704 288
WIRE 1264 336 1264 304
WIRE 1408 336 1408 320
WIRE 176 352 112 352
WIRE 320 352 240 352
WIRE 832 352 704 352
WIRE 1056 352 1056 320
WIRE 992 400 992 224
WIRE 320 416 304 416
WIRE 768 416 704 416
WIRE 832 416 768 416
WIRE 112 480 96 480
WIRE 208 480 176 480
WIRE 320 480 288 480
WIRE 944 480 704 480
WIRE 832 496 832 416
WIRE 992 512 992 496
WIRE 320 544 304 544
WIRE 736 544 704 544
WIRE 320 608 304 608
WIRE 736 608 736 544
WIRE 736 608 704 608
WIRE 1216 608 1216 224
WIRE 1216 608 736 608
WIRE 320 672 304 672
WIRE 736 672 704 672
WIRE 320 736 304 736
WIRE 768 736 768 416
WIRE 768 736 704 736
WIRE 320 800 304 800
WIRE 768 800 704 800
WIRE 320 864 304 864
WIRE 1344 864 1344 224
WIRE 1344 864 704 864
WIRE 432 944 432 928
WIRE 592 944 592 928
WIRE 304 976 304 864
WIRE 768 976 768 800
WIRE 768 976 304 976
FLAG 432 944 0
FLAG 592 944 0
FLAG 992 512 0
FLAG 832 560 0
FLAG 1056 352 0
FLAG 1408 336 0
FLAG 1264 336 0
FLAG 96 480 0
FLAG 80 96 0
FLAG 112 352 0
FLAG 1408 224 OUT
FLAG 304 800 0
FLAG 304 736 0
FLAG 304 672 0
FLAG 304 608 0
FLAG 304 544 0
FLAG 80 -16 IN
SYMBOL NMOS 944 400 R0
SYMATTR InstName Q1
SYMATTR Value Si4420DY
SYMBOL RES 416 -16 R0
SYMATTR InstName R1
SYMATTR Value 1.5Meg
SYMBOL schottky 816 416 M180
WINDOW 0 40 46 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL cap 816 496 R0
WINDOW 3 32 51 Left 2
SYMATTR Value 4.7µ
SYMATTR InstName C1
SYMBOL schottky 1040 320 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL nmos 944 80 R0
SYMATTR InstName Q2
SYMATTR Value Si4420DY
SYMBOL ind 1088 240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 3µ
SYMBOL polcap 1248 240 R0
SYMATTR SpiceLine Rser=50m
SYMATTR InstName C2
SYMATTR Value 470µ
SYMBOL res 304 464 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 2K
SYMBOL cap 176 464 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value .005µ
SYMBOL res 176 16 R0
SYMATTR InstName R3
SYMATTR Value 3.3K
SYMBOL VOLTAGE 80 -16 R0
SYMATTR InstName V1
SYMATTR Value 6
SYMBOL cap 240 336 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value .001µ
SYMBOL cap 816 288 R0
WINDOW 3 27 49 Left 2
SYMATTR Value .22µ
SYMATTR InstName C5
SYMBOL POWERPRODUCTS\\LTC3714 512 448 R0
SYMATTR InstName U1
SYMBOL res 1392 224 R0
SYMATTR InstName Rload
SYMATTR Value .25
TEXT 904 720 Left 2 !.tran 2.5m startup