* SPICE netlist
C1 N004 N006 0.22
C2 N007 N009 0.47
C3 N010 N013 1
C4 N006 N013 10 m=8
C5 INTVcc 0 4.7
C7 N009 0 10 m=2
C6 vIN N009 10 m=4
V1 vIN 0 20
C8 vOUT 0 10 m=2
C9 N008 0 0.1
C10 vIN 0 1
R2 _FAULT INTVcc 10k
R3 N009 N014 4.99
C11 N014 0 1
R4 0 N005 102k
R5 N002 0 1
M1 N012 _FAULT 0 0 BSC016N04LS
M2 N002 N012 vOUT vOUT FDR840P
R6 vOUT N012 20k
C12 N012 0 10p
R7 0 N011 200k
M3 vIN N001 N003 N003 BSZ0901NS
XU1 N003 N006 N009 N013 0 vOUT N010 N008 NC_01 N011 N007 N005 _FAULT N004 0 N014 INTVcc vIN N001 LTC7825 ;pnba VHIGH)SWH)VLOW)SWL)PGND)VOUT)BOOSTL)TIMER)RUN)HYS_PRGM)FL5V)FREQ)_FAULT)BOOSTH)SGND)EXTVcc)INTVcc)Vcc)OVG
.tran 8.5m

* LTspice schematic (.asc)
Version 4
SHEET 1 1568 912
WIRE -48 -440 -688 -440
WIRE 0 -440 -48 -440
WIRE 112 -440 64 -440
WIRE -160 -392 -448 -392
WIRE -160 -360 -160 -392
WIRE -48 -360 -48 -440
WIRE -448 -328 -448 -392
WIRE 240 -296 192 -296
WIRE 352 -296 240 -296
WIRE 448 -296 352 -296
WIRE 592 -296 448 -296
WIRE 784 -296 688 -296
WIRE -752 -280 -784 -280
WIRE -688 -280 -688 -440
WIRE -688 -280 -752 -280
WIRE -528 -280 -688 -280
WIRE -288 -280 -432 -280
WIRE 352 -280 352 -296
WIRE 784 -280 784 -296
WIRE -784 -232 -784 -280
WIRE -288 -232 -368 -232
WIRE -368 -216 -368 -232
WIRE 784 -184 784 -200
WIRE 240 -168 192 -168
WIRE 352 -168 352 -216
WIRE 352 -168 320 -168
WIRE -368 -136 -368 -152
WIRE -368 -136 -480 -136
WIRE -288 -136 -368 -136
WIRE -784 -120 -784 -152
WIRE -688 -104 -688 -280
WIRE -288 -88 -368 -88
WIRE -368 -72 -368 -88
WIRE 256 -40 192 -40
WIRE 352 -40 352 -168
WIRE 352 -40 320 -40
WIRE -688 8 -688 -40
WIRE -576 8 -688 8
WIRE -368 8 -368 -8
WIRE -368 8 -576 8
WIRE -288 8 -368 8
WIRE 352 8 352 -40
WIRE 448 8 448 -296
WIRE -688 40 -688 8
WIRE -576 40 -576 8
WIRE -480 40 -480 -136
WIRE -288 56 -368 56
WIRE -368 72 -368 56
WIRE 240 88 192 88
WIRE 352 88 320 88
WIRE 448 120 448 88
WIRE 608 120 608 -248
WIRE 608 120 448 120
WIRE 672 120 608 120
WIRE -688 152 -688 104
WIRE -480 152 -480 104
WIRE -368 152 -368 136
WIRE -368 152 -480 152
WIRE -288 152 -368 152
WIRE 608 184 608 120
WIRE -576 200 -576 120
WIRE -288 200 -576 200
WIRE 672 200 672 120
WIRE -576 232 -576 200
WIRE 240 264 192 264
WIRE 304 264 240 264
WIRE 560 264 304 264
WIRE -336 296 -368 296
WIRE -288 296 -336 296
WIRE 304 296 304 264
WIRE -576 328 -576 296
WIRE -368 328 -368 296
WIRE 608 328 608 280
WIRE 672 328 672 264
WIRE 304 408 304 376
WIRE -368 424 -368 392
WIRE -48 456 -48 440
WIRE 80 456 80 440
FLAG -368 424 0
FLAG -752 -280 vIN
FLAG -688 152 0
FLAG -784 -120 0
FLAG -48 456 0
FLAG 80 456 0
FLAG -336 296 INTVcc
FLAG 352 8 0
FLAG 304 408 INTVcc
FLAG 240 -296 vOUT
FLAG 112 -440 0
FLAG 240 264 _FAULT
FLAG -576 328 0
FLAG 784 -184 0
FLAG 608 328 0
FLAG 672 328 0
FLAG 352 88 0
SYMBOL cap -384 -216 R0
SYMATTR InstName C1
SYMATTR Value 0.22
SYMBOL cap -384 -72 R0
SYMATTR InstName C2
SYMATTR Value 0.47
SYMBOL cap -384 72 R0
SYMATTR InstName C3
SYMATTR Value 1
SYMBOL cap -496 40 R0
SYMATTR Value2 m=8
SYMATTR InstName C4
SYMATTR Value 10
SYMBOL cap -384 328 R0
SYMATTR InstName C5
SYMATTR Value 4.7
SYMBOL cap -704 40 R0
SYMATTR Value2 m=2
SYMATTR InstName C7
SYMATTR Value 10
SYMBOL cap -704 -104 R0
SYMATTR Value2 m=4
SYMATTR InstName C6
SYMATTR Value 10
SYMBOL voltage -784 -248 R0
SYMATTR Value 20
SYMATTR InstName V1
SYMBOL cap 336 -280 R0
SYMATTR Value2 m=2
SYMATTR InstName C8
SYMATTR Value 10
SYMBOL cap 256 -56 M90
SYMATTR InstName C9
SYMATTR Value 0.1
SYMBOL cap 0 -456 M90
SYMATTR InstName C10
SYMATTR Value 1
SYMBOL res 288 280 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res -592 24 R0
SYMATTR InstName R3
SYMATTR Value 4.99
SYMBOL cap -592 232 R0
SYMATTR InstName C11
SYMATTR Value 1
SYMBOL res 336 -184 R90
SYMATTR InstName R4
SYMATTR Value 102k
SYMBOL res 768 -296 R0
SYMATTR InstName R5
SYMATTR Value 1
SYMBOL nmos 560 184 R0
SYMATTR InstName M1
SYMATTR Value BSC016N04LS
SYMBOL pmos 688 -248 M270
SYMATTR InstName M2
SYMATTR Value FDR840P
SYMBOL res 432 -8 R0
SYMATTR InstName R6
SYMATTR Value 20k
SYMBOL cap 656 200 R0
SYMATTR InstName C12
SYMATTR Value 10p
SYMBOL res 336 72 R90
SYMATTR InstName R7
SYMATTR Value 200k
SYMBOL nmos -528 -328 M90
SYMATTR InstName M3
SYMATTR Value BSZ0901NS
SYMBOL LTC7825 -48 40 R0
SYMATTR InstName U1