Version 4
SHEET 1 880 1304
WIRE -1760 32 -1808 32
WIRE -1680 32 -1696 32
WIRE -1632 32 -1680 32
WIRE -1888 96 -1904 96
WIRE -1808 96 -1808 32
WIRE -1808 96 -1824 96
WIRE -1776 96 -1808 96
WIRE -1680 96 -1680 32
WIRE -1680 96 -1696 96
WIRE -1904 128 -1904 96
WIRE -1840 128 -1904 128
WIRE -1680 128 -1680 96
WIRE -1680 128 -1744 128
WIRE -1648 128 -1680 128
WIRE -1536 128 -1568 128
WIRE -1408 128 -1456 128
WIRE -1312 128 -1312 112
WIRE -1216 128 -1216 112
WIRE -1120 128 -1120 96
WIRE -1024 128 -1024 96
WIRE -2112 144 -2176 144
WIRE -2080 144 -2112 144
WIRE -2000 144 -2016 144
WIRE -1936 144 -2000 144
WIRE -1904 144 -1904 128
WIRE -2176 160 -2176 144
WIRE -1824 192 -1824 176
WIRE -1680 208 -1680 192
WIRE -1648 208 -1680 208
WIRE -1536 208 -1568 208
WIRE -2000 224 -2112 224
WIRE -1936 224 -2000 224
WIRE -1536 224 -1536 208
WIRE -1408 224 -1408 208
WIRE -1408 224 -1536 224
WIRE -1312 224 -1312 208
WIRE -1312 224 -1408 224
WIRE -1216 224 -1216 208
WIRE -1216 224 -1312 224
WIRE -1120 224 -1120 208
WIRE -1120 224 -1216 224
WIRE -1024 224 -1024 208
WIRE -1024 224 -1120 224
WIRE -1680 240 -1680 208
WIRE -1024 256 -1024 224
WIRE -2000 272 -2000 224
WIRE -1904 272 -1904 224
WIRE -1904 272 -2000 272
WIRE -1904 288 -1904 272
WIRE -1568 288 -1600 288
WIRE -1600 304 -1600 288
WIRE -1600 304 -1680 304
WIRE -1328 304 -1408 304
WIRE -1680 320 -1680 304
WIRE -1600 320 -1600 304
WIRE -1408 320 -1408 304
WIRE -2112 336 -2112 320
WIRE -1984 352 -1984 320
WIRE -1232 352 -1232 336
WIRE -2176 368 -2176 240
WIRE -2176 368 -2256 368
WIRE -2144 368 -2176 368
WIRE -1984 368 -2064 368
WIRE -1328 368 -1328 304
WIRE -2256 384 -2256 368
WIRE -1984 384 -2032 384
WIRE -2144 400 -2160 400
WIRE -2032 400 -2032 384
WIRE -1984 400 -2032 400
WIRE -1888 400 -1920 400
WIRE -1872 400 -1888 400
WIRE -2032 416 -2032 400
WIRE -1984 416 -2032 416
WIRE -1680 416 -1680 384
WIRE -1600 416 -1600 400
WIRE -1600 416 -1680 416
WIRE -1408 416 -1408 400
WIRE -2032 432 -2032 416
WIRE -1968 432 -1968 416
WIRE -1968 432 -2032 432
WIRE -1824 432 -1824 272
WIRE -1792 432 -1824 432
WIRE -1760 432 -1792 432
WIRE -1168 432 -1184 432
WIRE -1056 432 -1088 432
WIRE -2128 448 -2128 432
WIRE -2128 448 -2256 448
WIRE -2112 448 -2112 432
WIRE -2112 448 -2128 448
WIRE -2096 448 -2096 432
WIRE -2096 448 -2112 448
WIRE -2064 448 -2096 448
WIRE -2032 448 -2032 432
WIRE -2032 448 -2064 448
WIRE -1600 448 -1600 416
WIRE -2112 464 -2112 448
WIRE -2064 464 -2064 448
WIRE -1952 464 -2064 464
WIRE -1872 464 -1872 400
WIRE -1952 512 -2016 512
WIRE -1408 512 -1408 480
WIRE -1328 512 -1328 432
WIRE -1328 512 -1408 512
WIRE -1232 512 -1232 448
WIRE -1952 560 -2000 560
WIRE -1760 560 -1760 432
WIRE -1760 560 -1792 560
WIRE -2064 624 -2064 464
WIRE -1872 624 -1872 608
WIRE -1872 624 -2064 624
FLAG -1904 288 0
FLAG -1600 448 0
FLAG -1024 256 0
FLAG -2112 144 Isense
FLAG -2112 464 0
FLAG -1312 112 Vdd
FLAG -1216 112 I_lim
FLAG -2160 400 I_lim
FLAG -1984 320 clk
FLAG -2016 512 clk
FLAG -1888 400 reset
FLAG -1792 432 pwm
FLAG -1408 512 snub_L2
FLAG -1408 304 snub_L1
FLAG -1232 512 0
FLAG -1408 128 Vin
FLAG -2112 320 Vdd
FLAG -1568 288 Vout
FLAG -1120 96 clk
FLAG -2000 560 Vdd
FLAG -1024 96 transient
FLAG -1632 32 snub_L1
FLAG -1680 208 snub_L2
FLAG -1056 432 transient
FLAG -1232 336 Vout
SYMBOL voltage -1408 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -14 56 Left 2
WINDOW 3 17 93 Left 2
SYMATTR InstName V2
SYMATTR Value 62.8
SYMBOL voltage -1120 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -285 100 Invisible 2
WINDOW 0 -12 56 Left 2
SYMATTR Value PULSE(0 12 6.67u 100n 100n 3.u 6.67u)
SYMATTR InstName V3
SYMBOL nmos -1744 176 M270
WINDOW 0 -6 55 VLeft 2
WINDOW 3 -9 -48 Invisible 2
SYMATTR InstName M2
SYMATTR Value IPB065N15N3
SYMBOL polcap -1696 320 R0
WINDOW 0 -31 8 Left 2
WINDOW 3 -49 53 Left 2
SYMATTR InstName C1
SYMATTR Value 220µ
SYMATTR SpiceLine V=250
SYMBOL diode -1696 240 R0
WINDOW 3 24 64 Invisible 2
SYMATTR Value RFN10NS8D
SYMATTR InstName D2
SYMBOL res -1616 304 R0
SYMATTR InstName R2
SYMATTR Value 12.6
SYMBOL ind2 -1664 144 R270
WINDOW 0 34 34 VTop 2
WINDOW 3 60 77 VBottom 2
SYMATTR InstName L1
SYMATTR Value 58µ
SYMBOL ind2 -1664 192 M90
WINDOW 0 4 56 VBottom 2
WINDOW 3 -23 99 VTop 2
SYMATTR InstName L2
SYMATTR Value 58µ
SYMBOL res -1808 288 R180
WINDOW 0 43 29 VRight 2
WINDOW 3 -12 33 VRight 2
SYMATTR InstName R1
SYMATTR Value 5
SYMBOL polcap -1696 128 R0
WINDOW 0 -30 17 Left 2
WINDOW 3 27 18 Left 2
SYMATTR InstName C2
SYMATTR Value 3µ
SYMBOL cap -1824 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 20 12 VTop 2
SYMATTR InstName C3
SYMATTR Value 0.0015µ
SYMATTR SpiceLine V=250 Irms=0 Rser=0 Lser=0 mfg="Murata" pn="GCM21A5C2E152JX01" type="C0G"
SYMBOL res -1792 112 R270
WINDOW 0 36 27 VTop 2
WINDOW 3 61 67 VBottom 2
SYMATTR InstName R4
SYMATTR Value 1K
SYMBOL diode -1696 16 R90
WINDOW 0 6 -4 VBottom 2
WINDOW 3 -16 118 Invisible 2
SYMATTR InstName D1
SYMATTR Value RFN10NS8D
SYMBOL ind2 -1920 240 M180
WINDOW 0 33 95 Left 2
WINDOW 3 44 70 VLeft 2
SYMATTR InstName L3
SYMATTR Value 5.1µ
SYMBOL ind2 -1920 240 R180
WINDOW 0 6 123 Left 2
WINDOW 3 44 14 VRight 2
SYMATTR InstName L4
SYMATTR Value 51.1m
SYMBOL res -1984 240 R180
WINDOW 0 -21 110 Left 2
WINDOW 3 43 20 VRight 2
SYMATTR InstName R7
SYMATTR Value 270K
SYMBOL schottky -2016 128 R90
WINDOW 0 -4 17 VBottom 2
WINDOW 3 28 56 Invisible 2
SYMATTR InstName D3
SYMATTR Value RB098BM150
SYMBOL res -2096 240 R180
WINDOW 0 -10 34 VRight 2
WINDOW 3 40 35 VRight 2
SYMATTR InstName R8
SYMATTR Value 40
SYMBOL nmos -1184 352 M0
WINDOW 0 -12 49 VLeft 2
WINDOW 3 -11 -22 Invisible 2
SYMATTR InstName M1
SYMATTR Value IPB065N15N3
SYMBOL res -1072 416 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 5
SYMBOL voltage -1024 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -285 100 Invisible 2
WINDOW 0 -12 56 Left 2
SYMATTR Value PULSE(0 12 12m 100n 100n 11u 22.8u 3)
SYMATTR InstName V1
SYMBOL ind2 -1552 144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 4 56 VBottom 2
SYMATTR InstName L5
SYMATTR Value 4.3µ
SYMBOL Digital\\and -1952 320 R0
WINDOW 0 -22 65 Left 2
WINDOW 3 0 0 Invisible 0
SYMATTR InstName A1
SYMATTR Value Vhigh=12 Vlow=0 Ref=1
SYMBOL voltage -1312 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -14 56 Left 2
WINDOW 3 17 93 Left 2
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL voltage -1216 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -14 56 Left 2
WINDOW 3 17 93 Left 2
SYMATTR InstName V5
SYMATTR Value 4.8
SYMBOL Comparators\\LT1712 -2112 384 R0
WINDOW 0 25 41 Left 2
WINDOW 3 9 -48 Left 2
SYMATTR InstName U1
SYMBOL cap -2240 448 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C4
SYMATTR Value 50p
SYMATTR SpiceLine V=250 Irms=0 Rser=0 Lser=0
SYMBOL res -2160 256 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R9
SYMATTR Value 1K
SYMBOL Digital\\dflop -1872 608 M180
WINDOW 3 8 12 Invisible 2
SYMATTR Value Vhigh=12 Vlow=0 Ref=1
SYMATTR InstName A2
SYMBOL res -1424 304 R0
SYMATTR InstName R6
SYMATTR Value 1
SYMBOL cap -1392 480 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C5
SYMATTR Value 1.5µ
SYMATTR SpiceLine V=250 Irms=0 Rser=0 Lser=0
SYMBOL zener -1312 432 R180
WINDOW 0 -34 63 Left 2
WINDOW 3 24 0 Invisible 2
SYMATTR InstName D4
SYMATTR Value 1N5378B
TEXT -2144 8 Left 2 !.tran 0 20m 0 50u
TEXT -1664 72 Left 2 !K1 L1 L2 1
TEXT -2040 64 Left 2 !K2 L3 L4 1