* SPICE netlist
Rc1 N010 0 8.87k
C5 N011 N012 39p
C6 N012 N010 8.2p
Rc3 OUT N009 8.25K
L1 N005 OUT 1 Rser=5.1m
C1 OUT 0 330 Rser=7m
Rload OUT 0 0.18
M1 N005 N008 0 0 BSC0902NSI
M2 IN N002 N005 N005 BSC080N03MS
R2 N005 N006 1.5k
C2 N004 N005 100n
Rr IN N001 162K
Cvcc N003 0 1
V1 IN 0 12
C3 N007 0 2n
R1 N009 N010 9.53k
C4 N009 N010 150p
R3 N010 N012 267k
XU1 N011 N010 N003 N005 0 0 N004 IN IN NC_01 N003 N001 N007 N008 N002 N003 N006 ADP1851 ;pnba Comp)FB)VccO)SW)AGND)PGND)BST)Vin)EN)Pgood)Freq)Ramp)SS/TRK)DL)DH)Sync)ILIM
.tran .5m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1120 1104
WIRE -448 -552 -560 -552
WIRE -288 -552 -448 -552
WIRE -176 -552 -288 -552
WIRE 64 -552 -176 -552
WIRE -560 -536 -560 -552
WIRE -288 -536 -288 -552
WIRE 64 -472 64 -552
WIRE -560 -440 -560 -456
WIRE -288 -440 -288 -456
WIRE -176 -440 -176 -552
WIRE -448 -392 -448 -552
WIRE -384 -392 -448 -392
WIRE 16 -392 -64 -392
WIRE -384 -280 -432 -280
WIRE -16 -280 -64 -280
WIRE -16 -264 -16 -280
WIRE -432 -168 -432 -280
WIRE -432 -168 -544 -168
WIRE -384 -168 -432 -168
WIRE -16 -168 -16 -200
WIRE -16 -168 -64 -168
WIRE 64 -168 64 -376
WIRE 64 -168 -16 -168
WIRE 128 -168 64 -168
WIRE 272 -168 208 -168
WIRE 416 -168 272 -168
WIRE 560 -168 416 -168
WIRE -544 -152 -544 -168
WIRE 416 -152 416 -168
WIRE 560 -152 560 -168
WIRE -544 -72 -544 -88
WIRE -432 -56 -432 -168
WIRE -384 -56 -432 -56
WIRE -48 -56 -64 -56
WIRE 64 -56 64 -168
WIRE 64 -56 32 -56
WIRE 272 -56 272 -168
WIRE 416 -56 416 -88
WIRE 560 -56 560 -72
WIRE 64 -24 64 -56
WIRE -464 56 -480 56
WIRE -384 56 -400 56
WIRE 16 56 -64 56
WIRE 272 88 272 24
WIRE 368 88 272 88
WIRE 272 136 272 88
WIRE 368 136 368 88
WIRE 64 168 64 72
WIRE 64 168 -64 168
WIRE 64 184 64 168
WIRE -384 280 -432 280
WIRE -32 280 -64 280
WIRE 64 280 32 280
WIRE 144 280 64 280
WIRE 272 280 272 216
WIRE 272 280 208 280
WIRE 368 280 368 200
WIRE 368 280 272 280
WIRE -224 344 -224 328
WIRE 64 376 64 280
WIRE 128 376 64 376
WIRE 272 376 272 280
WIRE 272 376 208 376
WIRE -432 440 -432 280
WIRE 272 440 272 376
WIRE 272 440 -432 440
WIRE 272 456 272 440
WIRE 272 552 272 536
FLAG 272 552 0
FLAG 64 184 0
FLAG 416 -56 0
FLAG 560 -56 0
FLAG -224 344 0
FLAG -544 -72 0
FLAG -560 -440 0
FLAG -560 -552 IN
FLAG 560 -168 OUT
FLAG -480 56 0
SYMBOL res 256 440 R0
SYMATTR InstName Rc1
SYMATTR Value 8.87k
SYMBOL cap -32 296 R270
SYMATTR InstName C5
SYMATTR Value 39p
SYMBOL cap 144 296 R270
SYMATTR InstName C6
SYMATTR Value 8.2p
SYMBOL res 256 -72 R0
SYMATTR InstName Rc3
SYMATTR Value 8.25K
SYMBOL ind 112 -152 R270
SYMATTR InstName L1
SYMATTR Value 1
SYMATTR SpiceLine Rser=5.1m
SYMBOL cap 400 -152 R0
SYMATTR Value2 Rser=7m
SYMATTR Value 330
SYMATTR InstName C1
SYMBOL res 544 -168 R0
SYMATTR InstName Rload
SYMATTR Value 0.18
SYMBOL nmos 16 -24 R0
SYMATTR InstName M1
SYMATTR Value BSC0902NSI
SYMBOL nmos 16 -472 R0
SYMATTR InstName M2
SYMATTR Value BSC080N03MS
SYMBOL res 48 -72 R90
SYMATTR InstName R2
SYMATTR Value 1.5k
SYMBOL cap -32 -264 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL res -304 -552 R0
SYMATTR InstName Rr
SYMATTR Value 162K
SYMBOL cap -560 -152 R0
SYMATTR InstName Cvcc
SYMATTR Value 1
SYMBOL VOLTAGE -560 -552 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap -400 40 R90
SYMATTR InstName C3
SYMATTR Value 2n
SYMBOL res 256 120 R0
SYMATTR InstName R1
SYMATTR Value 9.53k
SYMBOL cap 352 136 R0
SYMATTR InstName C4
SYMATTR Value 150p
SYMBOL res 224 360 R90
SYMATTR InstName R3
SYMATTR Value 267k
SYMBOL ADP1851 -224 -56 R0
SYMATTR InstName U1