* SPICE netlist
R1 IN2 N001 5m
MQ1 N001 N002 OUT2 OUT2 IRF7413
R2 N002 N005 10
MQ2 N003 N004 OUT1 OUT1 IRF7413
R3 IN1 N003 5m
C1 N005 0 0.01
V1 IN2 0 PWL(0 0 10m 3.3 570ms 3.3 +1m 0 +20m 0 +1m 3.3 830m 3.3 +1m 0 +100m 0 +1m 3.3)
V2 IN1 0 PWL(0 0 10m 5 570m 5 +1m 0 +20m 0 +1m 5 850m 5 +1m 0 +100m 0 +1m 5)
V3 N008 0 PWL(0 0 40m 0 +1m 3.3 360m 3.3 +1m 0 400m 0 +1m 3.3 500m 3.3 +1m 0 525m 0 +1m 1.2 720m 1.2 +1m 3.3)
V4 N010 0 3.3
R4 N013 N010 3.01K
C2 OUT1 0 30
C3 N011 0 0.1
C4 OUT2 0 30
R5 N011 N012 10K
XU1 IN2 N001 N005 N013 N009 N007 0 NC_01 NC_02 N008 N012 N006 N003 IN1 LTC1645 ;pnba Vcc2)Sense2)Gate2)_Fault)_Reset)FB)GND)Comp+)CompOUT)_ON)Timer)Gate1)Sense1)Vcc1
R6 N004 N006 10
C5 N006 0 0.01
R7 OUT1 N007 14.3K
R8 N007 0 10K
R9 N010 N009 3.01K
Rload1 OUT2 0 2
Rload2 OUT1 0 2
.tran 1

* LTspice schematic (.asc)
Version 4
SHEET 1 2032 944
WIRE 424 -472 -1016 -472
WIRE 440 -472 424 -472
WIRE 536 -472 520 -472
WIRE 584 -472 536 -472
WIRE 888 -472 680 -472
WIRE 1016 -472 888 -472
WIRE -1016 -456 -1016 -472
WIRE 888 -456 888 -472
WIRE 1016 -456 1016 -472
WIRE 664 -392 664 -424
WIRE -1016 -360 -1016 -376
WIRE 888 -360 888 -392
WIRE 1016 -360 1016 -376
WIRE -24 -264 -1016 -264
WIRE -8 -264 -24 -264
WIRE 88 -264 72 -264
WIRE 120 -264 88 -264
WIRE 808 -264 216 -264
WIRE 888 -264 808 -264
WIRE 1016 -264 888 -264
WIRE -1016 -248 -1016 -264
WIRE 888 -248 888 -264
WIRE 1016 -248 1016 -264
WIRE 200 -184 200 -216
WIRE 664 -184 664 -312
WIRE 712 -184 664 -184
WIRE 712 -168 712 -184
WIRE -1016 -152 -1016 -168
WIRE 888 -152 888 -184
WIRE 1016 -152 1016 -168
WIRE 712 -88 712 -104
WIRE 808 -88 808 -264
WIRE 200 -72 200 -104
WIRE 248 -72 200 -72
WIRE 328 -72 312 -72
WIRE -24 -24 -24 -264
WIRE 88 -24 88 -264
WIRE 200 -24 200 -72
WIRE 424 -24 424 -472
WIRE 536 -24 536 -472
WIRE 664 -24 664 -184
WIRE 808 72 808 -8
WIRE 808 72 744 72
WIRE 872 72 808 72
WIRE 1000 72 952 72
WIRE -856 104 -904 104
WIRE -104 104 -776 104
WIRE 792 168 744 168
WIRE 904 168 872 168
WIRE -280 200 -296 200
WIRE -200 200 -216 200
WIRE -104 200 -120 200
WIRE -104 312 -216 312
WIRE -216 344 -216 312
WIRE 312 440 312 424
WIRE -328 472 -360 472
WIRE -216 472 -216 424
WIRE -216 472 -248 472
WIRE 904 472 904 168
WIRE 904 472 -216 472
FLAG 888 -360 0
FLAG 1016 -360 0
FLAG 712 -88 0
FLAG -904 104 0
FLAG -1016 -360 0
FLAG 888 -152 0
FLAG 1016 -152 0
FLAG -1016 -152 0
FLAG -360 472 0
FLAG -296 200 0
FLAG 1016 -472 OUT2
FLAG 1016 -264 OUT1
FLAG -1016 -264 IN1
FLAG -1016 -472 IN2
FLAG 328 -72 0
FLAG 312 440 0
FLAG 1000 72 0
SYMBOL res 424 -456 R270
SYMATTR InstName R1
SYMATTR Value 5m
SYMBOL nmos 584 -424 R270
SYMATTR InstName Q1
SYMATTR Value IRF7413
SYMBOL res 648 -408 R0
SYMATTR InstName R2
SYMATTR Value 10
SYMBOL nmos 120 -216 R270
SYMATTR InstName Q2
SYMATTR Value IRF7413
SYMBOL res -24 -248 R270
SYMATTR InstName R3
SYMATTR Value 5m
SYMBOL cap 696 -168 R0
SYMATTR InstName C1
SYMATTR Value 0.01
SYMBOL voltage -1016 -472 R0
SYMATTR Value PWL(0 0 10m 3.3 570ms 3.3 +1m 0 +20m 0 +1m 3.3 830m 3.3 +1m 0 +100m 0 +1m 3.3)
SYMATTR InstName V1
SYMBOL voltage -1016 -264 R0
SYMATTR Value PWL(0 0 10m 5 570m 5 +1m 0 +20m 0 +1m 5 850m 5 +1m 0 +100m 0 +1m 5)
SYMATTR InstName V2
SYMBOL voltage -760 104 R90
SYMATTR InstName V3
SYMATTR Value PWL(0 0 40m 0 +1m 3.3 360m 3.3 +1m 0 400m 0 +1m 3.3 500m 3.3 +1m 0 525m 0 +1m 1.2 720m 1.2 +1m 3.3)
SYMBOL voltage -232 472 R90
SYMATTR InstName V4
SYMATTR Value 3.3
SYMBOL res -232 328 R0
SYMATTR InstName R4
SYMATTR Value 3.01K
SYMBOL cap 872 -248 R0
SYMATTR InstName C2
SYMATTR Value 30
SYMBOL cap -216 184 R90
SYMATTR InstName C3
SYMATTR Value 0.1
SYMBOL cap 872 -456 R0
SYMATTR InstName C4
SYMATTR Value 30
SYMBOL res -216 184 M90
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL LTC1645 312 200 R0
SYMATTR InstName U1
SYMBOL res 184 -200 R0
SYMATTR InstName R6
SYMATTR Value 10
SYMBOL cap 248 -56 R270
SYMATTR InstName C5
SYMATTR Value 0.01
SYMBOL res 792 -104 R0
SYMATTR InstName R7
SYMATTR Value 14.3K
SYMBOL res 856 88 R270
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL res 888 152 R90
SYMATTR InstName R9
SYMATTR Value 3.01K
SYMBOL res 1000 -472 R0
SYMATTR InstName Rload1
SYMATTR Value 2
SYMBOL res 1000 -264 R0
SYMATTR InstName Rload2
SYMATTR Value 2