* SPICE netlist
MQ3 N002 N003 OUT OUT Si7386DP
MQ1 N001 N007 IN1 IN1 Si7386DP
C1 IN1 N006 .1
R6 N001 N011 100K
R7 N001 N013 100K
R3 N004 N005 47
R2 N004 N003 10
C3 N005 0 .015
C6 0 N014 .1
C2 IN2 N008 .1
R5 N010 N001 137K
R4 0 N010 20K
C4 N010 0 .01
C5 N012 0 .1
C7 OUT 0 100
Rload OUT 0 1.7
V1 IN1 0 PWL(0 0 10u 0 +1u 11 +200m 11 +100m 13 +100m 13 +100m 11)
V2 IN2 0 PWL(0 0 10u 0 +1u 12)
R1 N002 N001 .006
MQ2 N001 N009 IN2 IN2 Si7386DP
XU1 N002 N001 IN1 N012 0 IN2 N009 N008 MP_01 N013 N011 0 N014 0 N010 MP_02 OUT N004 N006 N007 LTC4227-1 ;pnba Sense-)Sense+)In1)IntVcc)Gnd)In2)DGate2)Cpo2))_Pwrgd)_Fault)_D2on)Tmr)_En)On))Out)HGate)Cpo1)DGate1
.tran 600m

* LTspice schematic (.asc)
Version 4
SHEET 1 2016 720
WIRE -176 -344 -1008 -344
WIRE -96 -344 -176 -344
WIRE -32 -344 -96 -344
WIRE 352 -344 64 -344
WIRE 368 -344 352 -344
WIRE 464 -344 448 -344
WIRE 496 -344 464 -344
WIRE 800 -344 592 -344
WIRE 880 -344 800 -344
WIRE 1008 -344 880 -344
WIRE -1008 -328 -1008 -344
WIRE 880 -328 880 -344
WIRE 1008 -328 1008 -344
WIRE -176 -296 -176 -344
WIRE -1008 -232 -1008 -248
WIRE 880 -232 880 -264
WIRE 1008 -232 1008 -248
WIRE 576 -216 576 -296
WIRE 64 -168 -1008 -168
WIRE 144 -168 64 -168
WIRE 208 -168 144 -168
WIRE 352 -168 352 -344
WIRE 352 -168 304 -168
WIRE -1008 -152 -1008 -168
WIRE 64 -120 64 -168
WIRE 576 -104 576 -136
WIRE 592 -104 576 -104
WIRE 688 -104 672 -104
WIRE 768 -104 752 -104
WIRE -1008 -56 -1008 -72
WIRE 800 -40 800 -344
WIRE 800 -40 656 -40
WIRE 352 -24 352 -168
WIRE 352 -24 -528 -24
WIRE 896 -24 352 -24
WIRE -176 -8 -176 -232
WIRE -96 -8 -96 -344
WIRE -16 -8 -16 -296
WIRE 64 -8 64 -56
WIRE 144 -8 144 -168
WIRE 224 -8 224 -120
WIRE 352 -8 352 -24
WIRE 464 -8 464 -344
WIRE 576 -8 576 -104
WIRE 656 -8 656 -40
WIRE -528 8 -528 -24
WIRE -528 120 -528 88
WIRE -400 120 -528 120
WIRE -240 120 -400 120
WIRE 736 120 720 120
WIRE 896 120 896 -24
WIRE 896 120 816 120
WIRE -528 136 -528 120
WIRE -400 136 -400 120
WIRE -240 200 -304 200
WIRE 800 200 720 200
WIRE 896 200 896 120
WIRE 896 200 880 200
WIRE -528 232 -528 216
WIRE -400 232 -400 200
WIRE -304 280 -304 264
WIRE -240 280 -304 280
WIRE 752 280 720 280
WIRE 832 280 816 280
WIRE -304 296 -304 280
WIRE -240 360 -256 360
WIRE 736 360 720 360
FLAG 768 -104 0
FLAG 832 280 0
FLAG -304 296 0
FLAG -256 360 0
FLAG -1008 -232 0
FLAG -1008 -56 0
FLAG -1008 -344 IN1
FLAG -1008 -168 IN2
FLAG 1008 -344 OUT
FLAG 880 -232 0
FLAG 1008 -232 0
FLAG 736 360 0
FLAG -528 232 0
FLAG -400 232 0
SYMBOL nmos 496 -296 R270
SYMATTR InstName Q3
SYMATTR Value Si7386DP
SYMBOL nmos 64 -296 M270
SYMATTR InstName Q1
SYMATTR Value Si7386DP
SYMBOL cap -192 -296 R0
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL res 832 104 R90
SYMATTR InstName R6
SYMATTR Value 100K
SYMBOL res 896 184 R90
SYMATTR InstName R7
SYMATTR Value 100K
SYMBOL res 576 -88 R270
SYMATTR InstName R3
SYMATTR Value 47
SYMBOL res 560 -120 M180
SYMATTR InstName R2
SYMATTR Value 10
SYMBOL cap 688 -88 R270
SYMATTR InstName C3
SYMATTR Value .015
SYMBOL cap 816 264 R90
SYMATTR InstName C6
SYMATTR Value .1
SYMBOL cap 48 -120 R0
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL res -544 104 M180
SYMATTR InstName R5
SYMATTR Value 137K
SYMBOL res -544 232 M180
SYMATTR InstName R4
SYMATTR Value 20K
SYMBOL cap -416 136 R0
SYMATTR InstName C4
SYMATTR Value .01
SYMBOL cap -320 200 R0
SYMATTR InstName C5
SYMATTR Value .1
SYMBOL cap 864 -328 R0
SYMATTR InstName C7
SYMATTR Value 100
SYMBOL res 992 -344 R0
SYMATTR InstName Rload
SYMATTR Value 1.7
SYMBOL voltage -1008 -344 R0
SYMATTR InstName V1
SYMATTR Value PWL(0 0 10u 0 +1u 11 +200m 11 +100m 13 +100m 13 +100m 11)
SYMBOL voltage -1008 -168 R0
SYMATTR InstName V2
SYMATTR Value PWL(0 0 10u 0 +1u 12)
SYMBOL res 464 -360 R90
SYMATTR InstName R1
SYMATTR Value .006
SYMBOL nmos 304 -120 M270
SYMATTR InstName Q2
SYMATTR Value Si7386DP
SYMBOL LTC4227-1 -144 216 R0
SYMATTR InstName U1