* SPICE netlist
V1 IN 0 PWL(0 0 20u 28 30m 28 35m 100)
M1 IN N006 N001 N001 Si7336ADP m=2
M2 N001 N002 0 0 Si7336ADP
L1 N001 OUT 6.8 Rser=1.5m
C1 OUT 0 100
Rload OUT 0 2
R3 OUT N007 1Meg
R4 N007 0 24.3K
C2 N004 0 4.7
C3 0 N010 0.1
C4 0 N011 0.1
C5 0 N012 1
R5 N009 0 36.5K
C6 N013 N008 6.8n
C7 N003 N001 0.47
D1 N004 N003 1N5818
R1 N001 N005 2K
C8 OUT N005 2.2
XU1 N010 N007 N008 N012 N009 NC_01 N006 N001 N003 N002 0 N004 IN NC_02 IN 0 N011 0 N005 OUT LTC7862 ;pnba SS)VFB)ITH)TMR)FREQ)WARNB)TG)SW)BOOST)BG)GND)DRVCC)VIN)EXTVCC)RUN)DRVUV)INTVCC)OVLO)SENSE+)SENSE-
R7 N013 0 4.75K
C9 N008 0 100p
R2 OUT N005 2.2K
.tran 36m startup

* LTspice schematic (.asc)
Version 4.1
SHEET 1 1424 960
WIRE -616 -480 -712 -480
WIRE -408 -480 -616 -480
WIRE -296 -480 -408 -480
WIRE -40 -480 -200 -480
WIRE 8 -480 -40 -480
WIRE 232 -480 8 -480
WIRE 248 -480 232 -480
WIRE 344 -480 328 -480
WIRE 520 -480 344 -480
WIRE 584 -480 520 -480
WIRE 648 -480 584 -480
WIRE 712 -480 648 -480
WIRE -40 -464 -40 -480
WIRE 584 -464 584 -480
WIRE 712 -464 712 -480
WIRE -712 -448 -712 -480
WIRE 232 -432 232 -480
WIRE -88 -384 -104 -384
WIRE 8 -368 8 -480
WIRE 40 -368 8 -368
WIRE 120 -368 104 -368
WIRE 584 -368 584 -400
WIRE 712 -368 712 -384
WIRE -712 -352 -712 -368
WIRE -40 -352 -40 -368
WIRE -312 -304 -344 -304
WIRE 120 -304 120 -368
WIRE 120 -304 -248 -304
WIRE 232 -304 232 -352
WIRE 248 -304 232 -304
WIRE 344 -304 344 -480
WIRE 344 -304 312 -304
WIRE 232 -208 232 -304
WIRE 248 -208 232 -208
WIRE 344 -208 344 -304
WIRE 344 -208 328 -208
WIRE -216 -144 -216 -432
WIRE -104 -144 -104 -384
WIRE 8 -144 8 -368
WIRE 120 -144 120 -304
WIRE 232 -144 232 -208
WIRE 344 -144 344 -208
WIRE -408 -80 -408 -480
WIRE -296 -80 -408 -80
WIRE 520 -80 520 -480
WIRE -408 16 -408 -80
WIRE -296 16 -408 16
WIRE 520 16 520 0
WIRE 520 16 424 16
WIRE 520 32 520 16
WIRE -344 112 -344 -304
WIRE -344 112 -408 112
WIRE -296 112 -344 112
WIRE 440 112 424 112
WIRE -408 128 -408 112
WIRE 520 128 520 112
WIRE -408 208 -408 192
WIRE -296 208 -312 208
WIRE 440 208 424 208
WIRE 344 288 344 272
WIRE 504 288 344 288
WIRE -216 304 -216 272
WIRE -104 304 -104 272
WIRE 120 304 120 272
WIRE 232 304 232 272
WIRE 344 304 344 288
WIRE 504 304 504 288
WIRE 344 384 344 368
WIRE -216 400 -216 384
WIRE -104 400 -104 368
WIRE 120 400 120 368
WIRE 232 400 232 368
WIRE 504 432 504 368
WIRE 344 480 344 464
FLAG -712 -352 0
FLAG -40 -352 0
FLAG 584 -368 0
FLAG 712 -368 0
FLAG 440 208 0
FLAG 440 112 0
FLAG -312 208 0
FLAG -104 400 0
FLAG 120 400 0
FLAG -408 208 0
FLAG 232 400 0
FLAG 520 128 0
FLAG -216 400 0
FLAG 344 480 0
FLAG -616 -480 IN
FLAG 648 -480 OUT
FLAG 504 432 0
SYMBOL voltage -712 -464 R0
SYMATTR Value PWL(0 0 20u 28
SYMATTR Value2 30m 28 35m 100)
SYMATTR InstName V1
SYMBOL nmos -296 -432 R270
SYMATTR InstName M1
SYMATTR Value Si7336ADP
SYMATTR Value2 m=2
SYMBOL nmos -88 -464 R0
SYMATTR Value Si7336ADP
SYMATTR InstName M2
SYMBOL ind 232 -464 R270
SYMATTR InstName L1
SYMATTR Value 6.8
SYMATTR Value2 Rser=1.5m
SYMBOL cap 568 -464 R0
SYMATTR InstName C1
SYMATTR Value 100
SYMBOL res 696 -480 R0
SYMATTR InstName Rload
SYMATTR Value 2
SYMBOL res 504 -96 R0
SYMATTR InstName R3
SYMATTR Value 1Meg
SYMBOL res 504 16 R0
SYMATTR InstName R4
SYMATTR Value 24.3K
SYMBOL cap -424 128 R0
SYMATTR InstName C2
SYMATTR Value 4.7
SYMBOL cap -120 368 M180
SYMATTR InstName C3
SYMATTR Value 0.1
SYMBOL cap 104 368 M180
SYMATTR InstName C4
SYMATTR Value 0.1
SYMBOL cap 216 368 M180
SYMATTR InstName C5
SYMATTR Value 1
SYMBOL res -232 288 R0
SYMATTR InstName R5
SYMATTR Value 36.5K
SYMBOL cap 328 368 M180
SYMATTR InstName C6
SYMATTR Value 6.8n
SYMBOL cap 104 -384 R90
SYMATTR InstName C7
SYMATTR Value 0.47
SYMBOL diode -312 -288 R270
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL res 216 -448 R0
SYMATTR InstName R1
SYMATTR Value 2K
SYMBOL cap 312 -320 R90
SYMATTR InstName C8
SYMATTR Value 2.2
SYMBOL LTC7862 56 64 R0
SYMATTR InstName U1
SYMBOL res 328 368 R0
SYMATTR InstName R7
SYMATTR Value 4.75K
SYMBOL cap 488 304 R0
SYMATTR InstName C9
SYMATTR Value 100p
SYMBOL res 344 -224 R90
SYMATTR InstName R2
SYMATTR Value 2.2K