* SPICE netlist
MQ2 N002 N004 OUT OUT IPD068N10N3
MQ1 N001 N008 IN IN IPD068N10N3
R6 N013 N012 20k
R7 N013 N014 20k
R3 N006 N005 47
C3 N006 0 33n
C7 OUT 0 1000
V1 IN 0 24
R1 N002 N001 0.001
V2 N013 0 5
R13 N004 N005 10
R2 N015 0 221k
R9 N017 0 30k
R4 N018 N020 499k
R5 N020 0 4.02k
R10 N018 N019 2.1Meg
R11 N019 0 90.9k
C4 N016 0 330p
C1 N001 N009 0.1
C2 N001 0 0.1
R8 N001 N010 1k
V4 N011 0 5
XU1 N008 IN N009 N011 0 N001 N002 OUT N005 N010 N015 0 NC_01 N012 N014 N017 N016 N018 N020 N019 MAX16170 ;pnba GATE1)IN)CP)_SHDN)GND)VCOM)RS-)OUT)GATE2)RS+)IOUT)SLEEP)CLMP)_FLT)FETOK)ILIM)CDLY)TERM)OVSET)UVSET
S1 0 OUT N003 0 LOAD
V3 N003 0 PWL(0 0 1u 0 70m 0 +1u 1 +30m 1 +1u 0 460m 0 +1u 1)
S2 0 OUT N007 0 SHORT
V6 N007 0 PWL(0 0 1u 0 90m 0 +1u 1 +500u 1 +1u 0)
.tran 0 500m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1584 976
WIRE -648 -472 -792 -472
WIRE -472 -472 -648 -472
WIRE -296 -472 -376 -472
WIRE -168 -472 -296 -472
WIRE -152 -472 -168 -472
WIRE -56 -472 -72 -472
WIRE -24 -472 -56 -472
WIRE 296 -472 72 -472
WIRE 360 -472 296 -472
WIRE 504 -472 360 -472
WIRE 632 -472 504 -472
WIRE -792 -456 -792 -472
WIRE 360 -456 360 -472
WIRE 632 -456 632 -472
WIRE 792 -440 680 -440
WIRE 792 -424 792 -440
WIRE -296 -408 -296 -472
WIRE -296 -408 -376 -408
WIRE -248 -408 -296 -408
WIRE -168 -408 -168 -472
WIRE 56 -408 56 -424
WIRE -376 -376 -376 -408
WIRE -792 -360 -792 -376
WIRE -248 -360 -248 -408
WIRE 360 -360 360 -392
WIRE 632 -360 632 -376
WIRE 792 -328 792 -344
WIRE 56 -296 56 -328
WIRE 72 -296 56 -296
WIRE 168 -296 152 -296
WIRE 248 -296 232 -296
WIRE -248 -264 -248 -296
WIRE 504 -264 504 -472
WIRE 664 -248 552 -248
WIRE -456 -232 -456 -424
WIRE -376 -232 -376 -312
WIRE -296 -232 -296 -408
WIRE -168 -232 -168 -328
WIRE -56 -232 -56 -472
WIRE 56 -232 56 -296
WIRE 664 -232 664 -248
WIRE -648 -168 -648 -472
WIRE -584 -168 -648 -168
WIRE 296 -168 296 -472
WIRE 296 -168 184 -168
WIRE 504 -168 504 -184
WIRE 664 -136 664 -152
WIRE -584 -104 -792 -104
WIRE -792 -88 -792 -104
WIRE 216 -72 184 -72
WIRE 328 -72 296 -72
WIRE 328 -24 328 -72
WIRE 424 -24 328 -24
WIRE 424 -8 424 -24
WIRE -792 8 -792 -8
WIRE 216 24 184 24
WIRE 328 24 328 -24
WIRE 328 24 296 24
WIRE -584 56 -648 56
WIRE -648 88 -648 56
WIRE 424 88 424 72
WIRE 248 104 184 104
WIRE 248 120 248 104
WIRE -8 216 -8 184
WIRE 88 216 88 184
WIRE 248 216 248 200
WIRE -488 232 -488 184
WIRE -488 232 -600 232
WIRE -200 232 -200 184
WIRE -600 264 -600 232
WIRE -488 264 -488 232
WIRE -8 312 -8 280
WIRE 88 312 88 296
WIRE -488 360 -488 344
WIRE -392 360 -392 184
WIRE -392 360 -488 360
WIRE -600 376 -600 344
WIRE -296 376 -296 184
WIRE -296 376 -600 376
WIRE -600 392 -600 376
WIRE -488 392 -488 360
WIRE -600 488 -600 472
WIRE -488 488 -488 472
FLAG 248 -296 0
FLAG 248 216 0
FLAG -792 -360 0
FLAG -792 -472 IN
FLAG -488 488 0
FLAG -200 232 0
FLAG -8 312 0
FLAG -248 -264 0
FLAG 424 88 0
FLAG -600 488 0
FLAG 88 312 0
FLAG -792 8 0
FLAG -648 88 0
FLAG 632 -472 OUT
FLAG 360 -360 0
FLAG 632 -360 0
FLAG 680 -392 0
FLAG 792 -328 0
FLAG 504 -168 0
FLAG 552 -200 0
FLAG 664 -136 0
SYMBOL nmos -24 -424 R270
SYMATTR InstName Q2
SYMATTR Value IPD068N10N3
SYMBOL nmos -376 -424 M270
SYMATTR InstName Q1
SYMATTR Value IPD068N10N3
SYMBOL res 312 -88 R90
SYMATTR InstName R6
SYMATTR Value 20k
SYMBOL res 312 8 R90
SYMATTR InstName R7
SYMATTR Value 20k
SYMBOL res 168 -312 R90
SYMATTR InstName R3
SYMATTR Value 47
SYMBOL cap 168 -312 M90
SYMATTR InstName C3
SYMATTR Value 33n
SYMBOL cap 344 -456 R0
SYMATTR InstName C7
SYMATTR Value 1000
SYMBOL voltage -792 -472 R0
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL res -56 -488 R90
SYMATTR InstName R1
SYMATTR Value 0.001
SYMBOL voltage 424 -24 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL res 40 -424 R0
SYMATTR InstName R13
SYMATTR Value 10
SYMBOL res 232 104 R0
SYMATTR InstName R2
SYMATTR Value 221k
SYMBOL res 72 200 R0
SYMATTR InstName R9
SYMATTR Value 30k
SYMBOL res -616 248 R0
SYMATTR InstName R4
SYMATTR Value 499k
SYMBOL res -616 376 R0
SYMATTR InstName R5
SYMATTR Value 4.02k
SYMBOL res -504 248 R0
SYMATTR InstName R10
SYMATTR Value 2.1Meg
SYMBOL res -504 376 R0
SYMATTR InstName R11
SYMATTR Value 90.9k
SYMBOL cap -24 216 R0
SYMATTR InstName C4
SYMATTR Value 330p
SYMBOL cap -392 -376 R0
SYMATTR InstName C1
SYMATTR Value 0.1
SYMBOL cap -264 -360 R0
SYMATTR InstName C2
SYMATTR Value 0.1
SYMBOL res -184 -424 R0
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL voltage -792 -104 R0
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL MAX16170 -200 -24 R0
SYMATTR InstName U1
SYMBOL sw 632 -360 R180
SYMATTR InstName S1
SYMATTR Value LOAD
SYMBOL voltage 792 -440 R0
SYMATTR InstName V3
SYMATTR Value PWL(0 0 1u 0 70m 0 +1u 1 +30m 1 +1u 0 460m 0 +1u 1)
SYMBOL sw 504 -168 R180
SYMATTR InstName S2
SYMATTR Value SHORT
SYMBOL voltage 664 -248 R0
SYMATTR InstName V6
SYMATTR Value PWL(0 0 1u 0 90m 0 +1u 1 +500u 1 +1u 0)