* SPICE netlist
V1 IN 0 15
R1 IN N003 1Meg
R2 N003 0 365K
R3 INTVCC N008 100K
R4 N007 0 140K
C1 N009 0 4.7n
C2 INTVCC 0 2.2
R5 N002 0 9.09K
C5 N001 0 22 x6
R6 N001 OUT 2m
R7 N001 N005 100
R8 OUT N006 100
C7 N005 N006 1
Rload1 OUT 0 4.8
C8 OUT 0 100 x2
XU1 0 IN N001 0 INTVCC NC_01 N008 0 NC_02 N007 N003 0 N001 NC_03 NC_04 NC_05 N009 N002 N004 N004 N005 N006 NC_06 LTM4712 ;pnba SGND)VIN)EXTVcc)PGND)INTVcc)CLKOUT)PGOOD)PHMODE)MODE)FREQ)RUN)SYNC)VOUT)SW1)SW2)ISET)SS)FB)COMPA)COMPB)ISP)ISN)IMON
.tran 3m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1328 1184
WIRE -328 -592 -536 -592
WIRE -264 -592 -328 -592
WIRE -536 -576 -536 -592
WIRE 120 -560 -88 -560
WIRE -264 -528 -264 -592
WIRE -88 -528 -88 -560
WIRE -536 -496 -536 -512
WIRE -600 -448 -664 -448
WIRE -536 -448 -600 -448
WIRE -408 -448 -536 -448
WIRE 120 -448 120 -560
WIRE 120 -448 56 -448
WIRE 232 -448 120 -448
WIRE 312 -448 232 -448
WIRE 344 -448 312 -448
WIRE 456 -448 424 -448
WIRE 536 -448 456 -448
WIRE 600 -448 536 -448
WIRE 664 -448 600 -448
WIRE -536 -432 -536 -448
WIRE 232 -432 232 -448
WIRE 536 -432 536 -448
WIRE 664 -432 664 -448
WIRE -664 -416 -664 -448
WIRE 120 -352 56 -352
WIRE -536 -336 -536 -352
WIRE -408 -336 -536 -336
WIRE 120 -336 120 -352
WIRE 664 -336 664 -352
WIRE -536 -320 -536 -336
WIRE 232 -320 232 -368
WIRE 536 -320 536 -368
WIRE -664 -304 -664 -336
WIRE 120 -240 120 -256
WIRE -536 -208 -536 -240
WIRE 312 -208 312 -448
WIRE 456 -208 456 -448
WIRE -408 -112 -456 -112
WIRE 120 -112 56 -112
WIRE 312 -112 312 -128
WIRE 312 -112 120 -112
WIRE 120 -96 120 -112
WIRE -456 0 -456 -112
WIRE -408 0 -456 0
WIRE 120 0 120 -32
WIRE 120 0 56 0
WIRE 456 0 456 -128
WIRE 456 0 120 0
WIRE -408 112 -536 112
WIRE -536 128 -536 112
WIRE -536 224 -536 208
WIRE -408 224 -440 224
WIRE 88 336 56 336
WIRE 200 336 168 336
WIRE -408 448 -536 448
WIRE -536 464 -536 448
WIRE -536 560 -536 528
WIRE -312 560 -312 528
WIRE -184 560 -184 528
WIRE -184 560 -312 560
WIRE -56 560 -56 528
WIRE -56 560 -184 560
WIRE -184 592 -184 560
FLAG -664 -304 0
FLAG -536 -208 0
FLAG -440 224 0
FLAG -536 224 0
FLAG -536 560 0
FLAG -536 -496 0
FLAG 120 -240 0
FLAG 536 -320 0
FLAG 664 -336 0
FLAG 600 -448 OUT
FLAG -184 592 0
FLAG 232 -320 0
FLAG -600 -448 IN
FLAG -328 -592 INTVCC
FLAG 200 336 INTVCC
SYMBOL voltage -664 -432 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL res -552 -448 R0
SYMATTR InstName R1
SYMATTR Value 1Meg
SYMBOL res -552 -336 R0
SYMATTR InstName R2
SYMATTR Value 365K
SYMBOL res 184 320 R90
SYMATTR InstName R3
SYMATTR Value 100K
SYMBOL res -552 112 R0
SYMATTR InstName R4
SYMATTR Value 140K
SYMBOL cap -552 464 R0
SYMATTR InstName C1
SYMATTR Value 4.7n
SYMBOL cap -552 -576 R0
SYMATTR InstName C2
SYMATTR Value 2.2
SYMBOL res 104 -352 R0
SYMATTR InstName R5
SYMATTR Value 9.09K
SYMBOL cap 216 -432 R0
SYMATTR Value2 x6
SYMATTR Value 22
SYMATTR InstName C5
SYMBOL res 328 -432 R270
SYMATTR InstName R6
SYMATTR Value 2m
SYMBOL res 296 -224 R0
SYMATTR InstName R7
SYMATTR Value 100
SYMBOL res 440 -224 R0
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL cap 104 -96 R0
SYMATTR InstName C7
SYMATTR Value 1
SYMBOL res 648 -448 R0
SYMATTR InstName Rload1
SYMATTR Value 4.8
SYMBOL cap 520 -432 R0
SYMATTR Value 100
SYMATTR Value2 x2
SYMATTR InstName C8
SYMBOL LTM4712 -184 0 R0
SYMATTR InstName U1