* SPICE netlist
MQ1 N002 N005 N003 N003 IRL530NS_L
R1 N001 N002 5m
R2 N001 N010 49.9K
R3 N011 N010 1.74K
R4 N011 0 2.67K
R5 N003 N009 43.5K
R6 0 N009 3.57K
R7 N003 N012 24K
C2 N015 0 .1
C3 N016 0 68n
V1 N013 0 PWL(0 3.1 1 3.1 1.0001 3.1)
V2 N001 0 PWL(0 0 10u 0 100u 48 )
C4 N003 0 330
R8 0 N003 10
MQ2 N003 N006 N004 N004 IRL530NS_L
V3 N006 0 PWL(0 0 4 0 4.0001 0)
R9 N005 N008 10
R10 0 N004 .05
V4 N014 0 PWL(0 3.1 1 3.1 1.0001 0 1.2 0 1.20001 0)
R11 N007 N008 100K
C1 N007 0 6.8n
C5 N010 0 0.1
XU1 N002 N001 MP_01 N010 N011 0 N013 MP_02 MP_03 MP_04 MP_05 N016 MP_06 N014 MP_07 MP_08 MP_09 N009 N015 N012 MP_10 MP_11 N003 N008 LTC4260 uvautoretry=1 ovautoretry=1 ocautoretry=1 ;pnba Sense)Vdd))UV)OV)GND)ON)))))Timer))_BD_PRST))))FB)INTVcc)GPIO)))Source)Gate
.tran 2

* LTspice schematic (.asc)
Version 4
SHEET 1 1936 656
WIRE -632 -328 -968 -328
WIRE -344 -328 -632 -328
WIRE -328 -328 -344 -328
WIRE -232 -328 -248 -328
WIRE -88 -328 -232 -328
WIRE 104 -328 8 -328
WIRE 376 -328 104 -328
WIRE 488 -328 376 -328
WIRE 584 -328 488 -328
WIRE 696 -328 584 -328
WIRE 776 -328 696 -328
WIRE 968 -328 872 -328
WIRE -968 -312 -968 -328
WIRE 584 -312 584 -328
WIRE 696 -312 696 -328
WIRE 968 -312 968 -328
WIRE -8 -264 -8 -280
WIRE 856 -232 856 -280
WIRE -968 -216 -968 -232
WIRE 584 -216 584 -248
WIRE 696 -216 696 -232
WIRE 968 -216 968 -232
WIRE -632 -200 -632 -328
WIRE 376 -200 376 -328
WIRE -120 -168 -152 -168
WIRE -8 -168 -8 -184
WIRE -8 -168 -40 -168
WIRE -152 -152 -152 -168
WIRE 488 -152 488 -328
WIRE 856 -136 856 -152
WIRE 376 -104 376 -120
WIRE 376 -104 296 -104
WIRE 376 -88 376 -104
WIRE -632 -72 -632 -120
WIRE -632 -72 -728 -72
WIRE -520 -72 -632 -72
WIRE -152 -72 -152 -88
WIRE -632 -40 -632 -72
WIRE -344 -40 -344 -328
WIRE -232 -40 -232 -328
WIRE -8 -40 -8 -168
WIRE 104 -40 104 -328
WIRE -728 -24 -728 -72
WIRE -520 8 -520 -72
WIRE -440 8 -520 8
WIRE 296 8 296 -104
WIRE 296 8 216 8
WIRE 376 8 376 -8
WIRE -728 56 -728 40
WIRE -632 72 -632 40
WIRE -440 72 -632 72
WIRE 488 72 488 -72
WIRE 488 72 216 72
WIRE -632 104 -632 72
WIRE -440 136 -520 136
WIRE 264 136 216 136
WIRE 264 152 264 136
WIRE -632 200 -632 184
WIRE -520 232 -520 136
WIRE -104 248 -104 232
WIRE 56 248 56 232
WIRE 264 248 264 232
WIRE -264 264 -264 232
WIRE -520 328 -520 312
WIRE -104 328 -104 312
WIRE 56 328 56 312
FLAG -632 200 0
FLAG -264 264 0
FLAG 376 8 0
FLAG -104 328 0
FLAG 56 328 0
FLAG -520 328 0
FLAG -968 -216 0
FLAG 584 -216 0
FLAG 696 -216 0
FLAG 968 -216 0
FLAG 856 -136 0
FLAG 264 248 0
FLAG -152 -72 0
FLAG -728 56 0
SYMBOL nmos -88 -280 R270
SYMATTR InstName Q1
SYMATTR Value IRL530NS_L
SYMBOL res -344 -312 R270
SYMATTR InstName R1
SYMATTR Value 5m
SYMBOL res -648 -216 R0
SYMATTR InstName R2
SYMATTR Value 49.9K
SYMBOL res -648 56 M180
SYMATTR InstName R3
SYMATTR Value 1.74K
SYMBOL res -648 88 R0
SYMATTR InstName R4
SYMATTR Value 2.67K
SYMBOL res 360 -216 R0
SYMATTR InstName R5
SYMATTR Value 43.5K
SYMBOL res 360 8 M180
SYMATTR InstName R6
SYMATTR Value 3.57K
SYMBOL res 472 -168 R0
SYMATTR InstName R7
SYMATTR Value 24K
SYMBOL cap -120 248 R0
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL cap 40 248 R0
SYMATTR InstName C3
SYMATTR Value 68n
SYMBOL voltage -520 216 R0
SYMATTR InstName V1
SYMATTR Value PWL(0 3.1 1 3.1 1.0001 3.1)
SYMBOL voltage -968 -328 R0
SYMATTR InstName V2
SYMATTR Value PWL(0 0 10u 0 100u 48 )
SYMBOL cap 568 -312 R0
SYMATTR InstName C4
SYMATTR Value 330
SYMBOL res 680 -216 M180
SYMATTR InstName R8
SYMATTR Value 10
SYMBOL nmos 776 -280 R270
SYMATTR InstName Q2
SYMATTR Value IRL530NS_L
SYMBOL voltage 856 -248 R0
SYMATTR InstName V3
SYMATTR Value PWL(0 0 4 0 4.0001 0)
SYMBOL res -24 -280 R0
SYMATTR InstName R9
SYMATTR Value 10
SYMBOL res 952 -216 M180
SYMATTR InstName R10
SYMATTR Value .05
SYMBOL voltage 264 136 R0
SYMATTR InstName V4
SYMATTR Value PWL(0 3.1 1 3.1 1.0001 0 1.2 0 1.20001 0)
SYMBOL res -136 -152 R270
SYMATTR InstName R11
SYMATTR Value 100K
SYMBOL cap -168 -152 R0
SYMATTR InstName C1
SYMATTR Value 6.8n
SYMBOL cap -744 -24 R0
SYMATTR InstName C5
SYMATTR Value 0.1
SYMBOL PowerProducts\\LTC4260 -120 88 R0
SYMATTR InstName U1
SYMATTR SpiceLine uvautoretry=1 ovautoretry=1 ocautoretry=1