* SPICE netlist
MQ1 N001 N002 OUT0 OUT0 Si4420DY
R1 OUT0 0 100
C1 0 N002 0.1
R2 N001 IN 15m
R3 IN N004 137K
R4 N004 0 100K
R5 N006 IN 10K
R6 N007 IN 10K
R7 N011 N015 118K
R8 N015 0 237K
R9 N011 N017 365K
R10 N017 0 171K
R11 N011 N020 900K
R12 N020 0 171K
C2 0 N021 0.47
C3 0 N022 0.082
C4 0 N023 0.82
V4 IN 0 PWL(0 0 10m 5)
XU2 N033 N034 N030 N016 N029 MP_01 OUT3 MP_02 N019 0 N032 N031 LT3050 ;pnba Ref/Byp)Imin)_Fault)_SHDN)IN))OUT))ADJ)GND)Imax)Imon
C5 N033 0 10n
R17 N031 0 3.01K
C6 N031 0 0.1
V3 N029 0 PWL(0 0 10m 12)
R18 N029 N030 121K
R19 N032 0 1.15K
C7 N032 0 10n
R20 N034 0 11.3K
C8 N034 0 10n
R21 OUT3 N019 1.82Meg
R22 N019 0 115K
C9 OUT3 0 2.2
Rload3 OUT3 0 100
R15 N029 N016 499K
XU1 N014 N018 N008 N005 IN MP_03 OUT1 MP_04 N003 0 N013 N009 LT3050 ;pnba Ref/Byp)Imin)_Fault)_SHDN)IN))OUT))ADJ)GND)Imax)Imon
C10 N014 0 10n
R13 N009 0 3.01K
C11 N009 0 0.1
R14 IN N008 121K
R16 N013 0 1.15K
C12 N013 0 10n
R23 N018 0 11.3K
C13 N018 0 10n
R24 OUT1 N003 118K
R25 N003 0 118K
C14 OUT1 0 2.2
Rload1 OUT1 0 25
R26 IN N005 499K
XU3 N027 N028 N024 N010 IN MP_05 OUT2 MP_06 N012 0 N026 N025 LT3050 ;pnba Ref/Byp)Imin)_Fault)_SHDN)IN))OUT))ADJ)GND)Imax)Imon
C15 N027 0 10n
R27 N025 0 3.01K
C16 N025 0 0.1
R28 IN N024 121K
R29 N026 0 1.15K
C17 N026 0 10n
R30 N028 0 11.3K
C18 N028 0 10n
R31 OUT2 N012 365K
R32 N012 0 115K
C19 OUT2 0 2.2
Rload2 OUT2 0 25
R33 IN N010 499K
XU5 N004 N001 IN N007 N005 N010 N016 N003 N012 N019 N002 NC_07 OUT0 N011 NC_08 N021 N022 N006 N015 N017 N020 IN N023 0 LTC2925 ;pnba ON)Sense-)Sense+)_Fault)_SD1)_SD2)_SD3)FB1)FB2)FB3)Gate)PGI)Ramp)RampBuf)Remote)SCTMR)SDTMR)Status)Track1)Track2)Track3)Vcc)PGTMR)GND
.tran 200m startup

* LTspice schematic (.asc)
Version 4.1
SHEET 1 2576 1920
WIRE 232 -960 -1048 -960
WIRE -1048 -912 -1048 -960
WIRE -1048 -912 -1288 -912
WIRE -968 -912 -1048 -912
WIRE -872 -912 -968 -912
WIRE -584 -912 -872 -912
WIRE -456 -912 -584 -912
WIRE -424 -912 -456 -912
WIRE -328 -912 -344 -912
WIRE -280 -912 -328 -912
WIRE -72 -912 -184 -912
WIRE 1272 -912 -72 -912
WIRE -1288 -896 -1288 -912
WIRE 1272 -896 1272 -912
WIRE -872 -848 -872 -912
WIRE -200 -832 -200 -864
WIRE -120 -832 -136 -832
WIRE -1288 -800 -1288 -816
WIRE 984 -800 152 -800
WIRE 1272 -800 1272 -816
WIRE -968 -784 -968 -912
WIRE -584 -784 -584 -912
WIRE -456 -784 -456 -912
WIRE -328 -784 -328 -912
WIRE -200 -784 -200 -832
WIRE -72 -784 -72 -912
WIRE -872 -752 -872 -768
WIRE -760 -752 -872 -752
WIRE -872 -736 -872 -752
WIRE -760 -736 -760 -752
WIRE -680 -736 -760 -736
WIRE 232 -736 232 -960
WIRE 472 -736 232 -736
WIRE 600 -736 472 -736
WIRE 904 -736 856 -736
WIRE 1176 -736 904 -736
WIRE 1272 -736 1176 -736
WIRE 472 -720 472 -736
WIRE 1176 -720 1176 -736
WIRE 1272 -720 1272 -736
WIRE -1048 -688 -1048 -912
WIRE -872 -640 -872 -656
WIRE 472 -640 24 -640
WIRE 600 -640 472 -640
WIRE 904 -640 904 -656
WIRE 904 -640 856 -640
WIRE 984 -640 984 -800
WIRE 984 -640 904 -640
WIRE 1032 -640 984 -640
WIRE 1128 -640 1112 -640
WIRE 1176 -624 1176 -656
WIRE 1272 -624 1272 -640
WIRE -968 -608 -968 -704
WIRE -680 -608 -968 -608
WIRE 152 -576 152 -800
WIRE 152 -576 24 -576
WIRE -1048 -544 -1048 -608
WIRE -680 -544 -1048 -544
WIRE 232 -544 232 -736
WIRE 472 -544 232 -544
WIRE 600 -544 552 -544
WIRE 1016 -544 856 -544
WIRE 1128 -544 1016 -544
WIRE 1016 -528 1016 -544
WIRE 1128 -528 1128 -544
WIRE 184 -512 24 -512
WIRE -968 -480 -1112 -480
WIRE -824 -480 -968 -480
WIRE -680 -480 -824 -480
WIRE -1112 -464 -1112 -480
WIRE 152 -448 24 -448
WIRE 376 -448 280 -448
WIRE 600 -448 376 -448
WIRE 872 -448 856 -448
WIRE 952 -448 936 -448
WIRE 280 -432 280 -448
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WIRE 1016 -432 1016 -448
WIRE 1128 -432 1128 -464
WIRE -680 -416 -1016 -416
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WIRE 120 -384 24 -384
WIRE -1112 -368 -1112 -384
WIRE -1016 -368 -1016 -416
WIRE -1016 -368 -1112 -368
WIRE -1112 -352 -1112 -368
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WIRE 536 -352 440 -352
WIRE 600 -352 536 -352
WIRE 888 -352 856 -352
WIRE 280 -336 280 -352
WIRE 376 -336 376 -368
WIRE 440 -336 440 -352
WIRE 536 -336 536 -352
WIRE 88 -320 24 -320
WIRE -824 -304 -824 -480
WIRE -968 -288 -968 -304
WIRE -872 -288 -872 -352
WIRE -872 -288 -968 -288
WIRE -680 -288 -728 -288
WIRE -968 -272 -968 -288
WIRE -1112 -256 -1112 -272
WIRE 440 -240 440 -256
WIRE 536 -240 536 -272
WIRE -520 -224 -520 -240
WIRE -392 -224 -392 -240
WIRE -264 -224 -264 -240
WIRE -136 -224 -136 -240
WIRE -824 -208 -824 -224
WIRE -728 -208 -728 -288
WIRE -728 -208 -824 -208
WIRE -824 -192 -824 -208
WIRE 152 -192 152 -448
WIRE 1000 -192 152 -192
WIRE -968 -176 -968 -192
WIRE 232 -144 232 -544
WIRE 472 -144 232 -144
WIRE 600 -144 472 -144
WIRE 904 -144 856 -144
WIRE 1192 -144 904 -144
WIRE 1288 -144 1192 -144
WIRE -392 -128 -392 -160
WIRE -264 -128 -264 -160
WIRE -136 -128 -136 -160
WIRE 472 -128 472 -144
WIRE 1192 -128 1192 -144
WIRE 1288 -128 1288 -144
WIRE -824 -96 -824 -112
WIRE 184 -48 184 -512
WIRE 472 -48 184 -48
WIRE 600 -48 472 -48
WIRE 904 -48 904 -64
WIRE 904 -48 856 -48
WIRE 1000 -48 1000 -192
WIRE 1000 -48 904 -48
WIRE 1048 -48 1000 -48
WIRE 1144 -48 1128 -48
WIRE 1192 -32 1192 -64
WIRE 1288 -32 1288 -48
WIRE 232 48 232 -144
WIRE 488 48 232 48
WIRE 600 48 568 48
WIRE 1016 48 856 48
WIRE 1112 48 1016 48
WIRE 1016 64 1016 48
WIRE 1112 64 1112 48
WIRE 376 144 280 144
WIRE 600 144 376 144
WIRE 872 144 856 144
WIRE 952 144 936 144
WIRE 280 160 280 144
WIRE 376 160 376 144
WIRE 1016 160 1016 144
WIRE 1112 160 1112 128
WIRE 536 240 440 240
WIRE 600 240 536 240
WIRE 888 240 856 240
WIRE 280 256 280 240
WIRE 376 256 376 224
WIRE 440 256 440 240
WIRE 536 256 536 240
WIRE 440 352 440 336
WIRE 536 352 536 320
WIRE 120 384 120 -384
WIRE 472 384 120 384
WIRE 88 416 88 -320
WIRE 1032 416 88 416
WIRE 424 464 152 464
WIRE 520 464 424 464
WIRE 600 464 520 464
WIRE 904 464 856 464
WIRE 1192 464 904 464
WIRE 1288 464 1192 464
WIRE 152 480 152 464
WIRE 520 480 520 464
WIRE 1192 480 1192 464
WIRE 1288 480 1288 464
WIRE 424 560 424 464
WIRE 472 560 472 384
WIRE 520 560 472 560
WIRE 600 560 520 560
WIRE 904 560 904 544
WIRE 904 560 856 560
WIRE 1032 560 1032 416
WIRE 1032 560 904 560
WIRE 1064 560 1032 560
WIRE 1160 560 1144 560
WIRE 152 576 152 560
WIRE 1192 576 1192 544
WIRE 1288 576 1288 560
WIRE 424 656 424 640
WIRE 600 656 424 656
WIRE 1032 656 856 656
WIRE 1144 656 1032 656
WIRE 1032 672 1032 656
WIRE 1144 672 1144 656
WIRE 376 752 264 752
WIRE 600 752 376 752
WIRE 872 752 856 752
WIRE 952 752 936 752
WIRE 264 768 264 752
WIRE 376 768 376 752
WIRE 1032 768 1032 752
WIRE 1144 768 1144 736
WIRE 552 848 440 848
WIRE 600 848 552 848
WIRE 888 848 856 848
WIRE 264 864 264 848
WIRE 376 864 376 832
WIRE 440 864 440 848
WIRE 552 864 552 848
WIRE 440 960 440 944
WIRE 552 960 552 928
FLAG 1272 -800 0
FLAG -120 -832 0
FLAG -872 -640 0
FLAG -1112 -256 0
FLAG -968 -176 0
FLAG -824 -96 0
FLAG -520 -224 0
FLAG -392 -128 0
FLAG -264 -128 0
FLAG -136 -128 0
FLAG -1288 -800 0
FLAG -1288 -912 IN
FLAG 888 848 0
FLAG 952 752 0
FLAG 1032 768 0
FLAG 1144 768 0
FLAG 152 576 0
FLAG 264 864 0
FLAG 376 864 0
FLAG 440 960 0
FLAG 552 960 0
FLAG 1160 560 0
FLAG 1288 576 0
FLAG 1192 576 0
FLAG 1288 464 OUT3
FLAG 1272 -912 OUT0
FLAG 888 -352 0
FLAG 952 -448 0
FLAG 1016 -432 0
FLAG 1128 -432 0
FLAG 280 -336 0
FLAG 376 -336 0
FLAG 440 -240 0
FLAG 536 -240 0
FLAG 1128 -640 0
FLAG 1272 -624 0
FLAG 1176 -624 0
FLAG 1272 -736 OUT1
FLAG 888 240 0
FLAG 952 144 0
FLAG 1016 160 0
FLAG 1112 160 0
FLAG 280 256 0
FLAG 376 256 0
FLAG 440 352 0
FLAG 536 352 0
FLAG 1144 -48 0
FLAG 1288 -32 0
FLAG 1192 -32 0
FLAG 1288 -144 OUT2
SYMBOL nmos -280 -864 R270
SYMATTR InstName Q1
SYMATTR Value Si4420DY
SYMBOL res 1256 -912 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL cap -136 -848 R90
SYMATTR InstName C1
SYMATTR Value 0.1
SYMBOL res -328 -928 R90
SYMATTR InstName R2
SYMATTR Value 15m
SYMBOL res -888 -864 R0
SYMATTR InstName R3
SYMATTR Value 137K
SYMBOL res -888 -752 R0
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL res -984 -688 M180
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL res -1064 -592 M180
SYMATTR InstName R6
SYMATTR Value 10K
SYMBOL res -1128 -480 R0
SYMATTR InstName R7
SYMATTR Value 118K
SYMBOL res -1128 -368 R0
SYMATTR InstName R8
SYMATTR Value 237K
SYMBOL res -984 -400 R0
SYMATTR InstName R9
SYMATTR Value 365K
SYMBOL res -984 -288 R0
SYMATTR InstName R10
SYMATTR Value 171K
SYMBOL res -840 -320 R0
SYMATTR InstName R11
SYMATTR Value 900K
SYMBOL res -840 -208 R0
SYMATTR InstName R12
SYMATTR Value 171K
SYMBOL cap -408 -160 M180
SYMATTR InstName C2
SYMATTR Value 0.47
SYMBOL cap -280 -160 M180
SYMATTR InstName C3
SYMATTR Value 0.082
SYMBOL cap -152 -160 M180
SYMATTR InstName C4
SYMATTR Value 0.82
SYMBOL voltage -1288 -912 R0
SYMATTR InstName V4
SYMATTR Value PWL(0 0 10m 5)
SYMBOL PowerProducts\\LT3050 728 656 R0
SYMATTR InstName U2
SYMBOL cap 872 768 R270
SYMATTR InstName C5
SYMATTR Value 10n
SYMBOL res 1016 656 R0
SYMATTR InstName R17
SYMATTR Value 3.01K
SYMBOL cap 1128 672 R0
SYMATTR InstName C6
SYMATTR Value 0.1
SYMBOL voltage 152 464 R0
SYMATTR InstName V3
SYMATTR Value PWL(0 0 10m 12)
SYMBOL res 408 544 R0
SYMATTR InstName R18
SYMATTR Value 121K
SYMBOL res 248 752 R0
SYMATTR InstName R19
SYMATTR Value 1.15K
SYMBOL cap 360 768 R0
SYMATTR InstName C7
SYMATTR Value 10n
SYMBOL res 424 848 R0
SYMATTR InstName R20
SYMATTR Value 11.3K
SYMBOL cap 536 864 R0
SYMATTR InstName C8
SYMATTR Value 10n
SYMBOL res 888 448 R0
SYMATTR Value 1.82Meg
SYMATTR InstName R21
SYMBOL res 1048 576 R270
SYMATTR InstName R22
SYMATTR Value 115K
SYMBOL cap 1176 480 R0
SYMATTR InstName C9
SYMATTR Value 2.2
SYMBOL res 1272 464 R0
SYMATTR InstName Rload3
SYMATTR Value 100
SYMBOL res 536 464 M0
SYMATTR InstName R15
SYMATTR Value 499K
SYMBOL PowerProducts\\LT3050 728 -544 R0
SYMATTR InstName U1
SYMBOL cap 872 -432 R270
SYMATTR InstName C10
SYMATTR Value 10n
SYMBOL res 1000 -544 R0
SYMATTR InstName R13
SYMATTR Value 3.01K
SYMBOL cap 1112 -528 R0
SYMATTR InstName C11
SYMATTR Value 0.1
SYMBOL res 456 -528 R270
SYMATTR InstName R14
SYMATTR Value 121K
SYMBOL res 264 -448 R0
SYMATTR InstName R16
SYMATTR Value 1.15K
SYMBOL cap 360 -432 R0
SYMATTR InstName C12
SYMATTR Value 10n
SYMBOL res 424 -352 R0
SYMATTR InstName R23
SYMATTR Value 11.3K
SYMBOL cap 520 -336 R0
SYMATTR InstName C13
SYMATTR Value 10n
SYMBOL res 888 -752 R0
SYMATTR InstName R24
SYMATTR Value 118K
SYMBOL res 1016 -624 R270
SYMATTR InstName R25
SYMATTR Value 118K
SYMBOL cap 1160 -720 R0
SYMATTR InstName C14
SYMATTR Value 2.2
SYMBOL res 1256 -736 R0
SYMATTR InstName Rload1
SYMATTR Value 25
SYMBOL res 488 -736 M0
SYMATTR InstName R26
SYMATTR Value 499K
SYMBOL PowerProducts\\LT3050 728 48 R0
SYMATTR InstName U3
SYMBOL cap 872 160 R270
SYMATTR InstName C15
SYMATTR Value 10n
SYMBOL res 1000 48 R0
SYMATTR InstName R27
SYMATTR Value 3.01K
SYMBOL cap 1096 64 R0
SYMATTR InstName C16
SYMATTR Value 0.1
SYMBOL res 472 64 R270
SYMATTR InstName R28
SYMATTR Value 121K
SYMBOL res 264 144 R0
SYMATTR InstName R29
SYMATTR Value 1.15K
SYMBOL cap 360 160 R0
SYMATTR InstName C17
SYMATTR Value 10n
SYMBOL res 424 240 R0
SYMATTR InstName R30
SYMATTR Value 11.3K
SYMBOL cap 520 256 R0
SYMATTR InstName C18
SYMATTR Value 10n
SYMBOL res 888 -160 R0
SYMATTR InstName R31
SYMATTR Value 365K
SYMBOL res 1032 -32 R270
SYMATTR InstName R32
SYMATTR Value 115K
SYMBOL cap 1176 -128 R0
SYMATTR InstName C19
SYMATTR Value 2.2
SYMBOL res 1272 -144 R0
SYMATTR InstName Rload2
SYMATTR Value 25
SYMBOL res 488 -144 M0
SYMATTR InstName R33
SYMATTR Value 499K
SYMBOL LTC2925 -328 -512 R0
SYMATTR InstName U5