Version 4
SHEET 1 2604 708
WIRE 432 208 432 192
WIRE 432 288 432 272
WIRE 432 384 432 368
WIRE 528 -80 528 -128
WIRE 528 48 528 0
WIRE 560 192 432 192
WIRE 560 208 560 192
WIRE 560 288 560 272
WIRE 656 -64 624 -64
WIRE 656 656 656 256
WIRE 704 -368 704 -416
WIRE 704 -256 704 -288
WIRE 704 256 656 256
WIRE 704 384 704 320
WIRE 704 400 704 384
WIRE 704 496 704 480
WIRE 768 -64 736 -64
WIRE 800 64 768 64
WIRE 800 320 704 320
WIRE 816 192 560 192
WIRE 832 640 832 448
WIRE 864 -64 832 -64
WIRE 864 624 864 512
WIRE 896 -256 864 -256
WIRE 896 -192 864 -192
WIRE 896 -128 528 -128
WIRE 896 -64 864 -64
WIRE 896 64 864 64
WIRE 896 192 816 192
WIRE 896 256 784 256
WIRE 896 320 880 320
WIRE 896 384 704 384
WIRE 896 448 832 448
WIRE 896 512 864 512
WIRE 992 -416 704 -416
WIRE 992 -320 992 -416
WIRE 1040 592 1040 576
WIRE 1152 -320 1152 -352
WIRE 1264 592 1264 576
WIRE 1312 -320 1312 -384
WIRE 1440 -384 1312 -384
WIRE 1440 -368 1440 -384
WIRE 1440 -288 1440 -304
WIRE 1520 -384 1440 -384
WIRE 1520 -368 1520 -384
WIRE 1520 -192 1408 -192
WIRE 1520 -192 1520 -304
WIRE 1520 -128 1408 -128
WIRE 1632 -384 1520 -384
WIRE 1632 -368 1632 -384
WIRE 1632 256 1408 256
WIRE 1632 256 1632 -304
WIRE 1632 320 1408 320
WIRE 1696 -128 1520 -128
WIRE 1696 -128 1696 -192
WIRE 1712 320 1632 320
WIRE 1712 320 1712 256
WIRE 1728 192 1408 192
WIRE 1728 384 1408 384
WIRE 1776 -416 992 -416
WIRE 1776 112 1776 -416
WIRE 1776 256 1712 256
WIRE 1776 256 1776 208
WIRE 1776 304 1776 256
WIRE 1776 416 1776 400
WIRE 1808 -256 1408 -256
WIRE 1808 -64 1408 -64
WIRE 1856 -416 1776 -416
WIRE 1856 -336 1856 -416
WIRE 1856 -192 1696 -192
WIRE 1856 -192 1856 -240
WIRE 1856 -144 1856 -192
WIRE 1856 -32 1856 -48
WIRE 1856 256 1776 256
WIRE 1856 272 1856 256
WIRE 1856 352 1856 336
WIRE 1936 -192 1856 -192
WIRE 1936 -176 1936 -192
WIRE 1936 -96 1936 -112
WIRE 1936 256 1856 256
WIRE 2016 -192 1936 -192
WIRE 2048 256 2016 256
WIRE 2048 448 1408 448
WIRE 2048 448 2048 256
WIRE 2064 256 2048 256
WIRE 2128 -192 2096 -192
WIRE 2128 0 1408 0
WIRE 2128 0 2128 -192
WIRE 2144 -192 2128 -192
WIRE 2160 256 2144 256
WIRE 2160 512 1408 512
WIRE 2160 512 2160 256
WIRE 2192 256 2160 256
WIRE 2192 656 656 656
WIRE 2192 656 2192 256
WIRE 2224 624 864 624
WIRE 2224 624 2224 288
WIRE 2240 -192 2224 -192
WIRE 2240 64 1408 64
WIRE 2240 64 2240 -192
WIRE 2256 640 832 640
WIRE 2256 640 2256 384
WIRE 2288 -192 2240 -192
WIRE 2288 256 2192 256
WIRE 2288 256 2288 -192
WIRE 2288 288 2224 288
WIRE 2288 288 2288 256
WIRE 2288 304 2288 288
WIRE 2288 384 2256 384
WIRE 2288 384 2288 368
WIRE 2288 416 2288 384
WIRE 2336 -192 2288 -192
WIRE 2336 -128 2336 -192
WIRE 2336 16 2336 -48
FLAG 1856 -32 0
FLAG 1936 -96 0
FLAG 1776 416 0
FLAG 1856 352 0
FLAG 1264 592 0
FLAG 1040 592 0
FLAG 2288 416 0
FLAG 704 496 0
FLAG 432 384 0
FLAG 560 288 0
FLAG 768 64 0
FLAG 704 -256 0
FLAG 2336 16 0
FLAG 528 48 0
FLAG 624 -64 0
FLAG 1440 -288 0
FLAG 2336 -192 OUT
FLAG 816 192 Ith
FLAG 864 -64 PLL
SYMBOL NMOS 1808 -336 R0
SYMATTR InstName M1
SYMATTR Value FDS6680A
SYMBOL polcap 1504 -192 R0
WINDOW 3 28 47 Left 0
WINDOW 0 34 13 Left 0
SYMATTR Value .47ľ
SYMATTR InstName C1
SYMBOL nmos 1808 -144 R0
WINDOW 0 56 4 Left 0
WINDOW 3 60 88 Left 0
SYMATTR InstName M2
SYMATTR Value FDS6680A
SYMBOL schottky 1504 -368 R0
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL ind 2000 -176 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 1ľ
SYMBOL RES 2128 -208 M90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 2m
SYMBOL schottky 1920 -112 M180
WINDOW 0 34 58 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL nmos 1728 112 R0
SYMATTR InstName M3
SYMATTR Value FDS6680A
SYMBOL polcap 1616 256 R0
WINDOW 3 30 46 Left 0
WINDOW 0 30 11 Left 0
SYMATTR Value .47ľ
SYMATTR InstName C2
SYMBOL nmos 1728 304 R0
WINDOW 0 56 4 Left 0
WINDOW 3 60 88 Left 0
SYMATTR InstName M4
SYMATTR Value FDS6680A
SYMBOL ind 1920 272 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L2
SYMATTR Value 1ľ
SYMBOL schottky 1840 336 M180
WINDOW 0 36 57 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D4
SYMATTR Value 1N5818
SYMBOL polcap 2272 304 R0
WINDOW 39 47 109 Left 0
WINDOW 123 32 83 Left 0
SYMATTR SpiceLine x2
SYMATTR Value2 Rser=10m
SYMATTR InstName C3
SYMATTR Value 1000ľ
SYMBOL res 688 384 R0
SYMATTR InstName R4
SYMATTR Value 16K
SYMBOL RES 896 304 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 34K
SYMBOL res 688 272 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R5
SYMATTR Value 3.3K
SYMBOL cap 544 208 R0
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL cap 416 208 R0
SYMATTR InstName C5
SYMATTR Value 1000p
SYMBOL res 416 272 R0
SYMATTR InstName R6
SYMATTR Value 10K
SYMBOL cap 864 48 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C6
SYMATTR Value 500p
SYMBOL schottky 1616 -368 R0
SYMATTR InstName D3
SYMATTR Value 1N5818
SYMBOL VOLTAGE 704 -384 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 2320 -144 R0
SYMATTR InstName R7
SYMATTR Value .5
SYMBOL RES 2048 240 M90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 2m
SYMBOL POWERPRODUCTS\\LTC1629-PG 1152 128 R0
WINDOW 0 -80 -464 Center 0
WINDOW 3 8 192 Center 0
SYMATTR InstName U1
SYMBOL res 752 -80 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL cap 832 -80 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C7
SYMATTR Value .01ľ
SYMBOL polcap 1424 -368 R0
SYMATTR InstName C8
SYMATTR Value 1ľ
SYMBOL voltage 528 -96 R0
SYMATTR InstName V2
SYMATTR Value SIN(.5 .5 200K)
TEXT 1664 544 Left 0 !.tran 1.3m startup
TEXT 1664 576 Left 0 !.options trtol=7