* SPICE netlist
C2 OUT 0 10 X6 Rser=1.1m
D1 N001 OUT MBR745
RCS N005 0 40m
Rload OUT 0 20
R9 N010 0 100K
M1 N001 N002 N005 N005 BSC093N04LS
R1 N005 N004 221
C4 N004 0 1n
R2 IN N003 210k
C1 N008 0 39n
R3 N003 N006 1.18k
R4 N006 0 17.8k
C5 N013 0 1
C6 N012 0 220n
C9 N011 0 3.3n
R5 N012 N011 2.1K
R6 N009 0 1
R7 OUT N007 562K
R8 N007 0 30.1K
L1 IN N001 51 Rser=100m
V1 IN 0 15
XU1 N009 N010 0 N011 N007 N008 0 N004 0 N002 N013 IN N003 N006 MAX17597 ;pnba SLOPE)RT)DITHER)COMP)FB)SS)SGND)CS)PGND)NDRV)VDRV)VIN)EN/UVLO)OVI
.tran 5.5m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1504 768
WIRE -576 -384 -752 -384
WIRE -240 -384 -576 -384
WIRE 240 -384 -160 -384
WIRE 352 -384 240 -384
WIRE 496 -384 416 -384
WIRE 576 -384 496 -384
WIRE 752 -384 576 -384
WIRE -752 -368 -752 -384
WIRE 576 -368 576 -384
WIRE 752 -368 752 -384
WIRE 240 -352 240 -384
WIRE -752 -272 -752 -288
WIRE -576 -272 -576 -384
WIRE -384 -272 -576 -272
WIRE 192 -272 -32 -272
WIRE 576 -272 576 -304
WIRE 752 -272 752 -288
WIRE -576 -256 -576 -272
WIRE 496 -208 496 -384
WIRE -576 -160 -576 -176
WIRE -384 -160 -576 -160
WIRE 16 -160 -32 -160
WIRE 96 -160 16 -160
WIRE 240 -160 240 -256
WIRE 240 -160 176 -160
WIRE -576 -144 -576 -160
WIRE 16 -80 16 -96
WIRE -576 -48 -576 -64
WIRE -384 -48 -576 -48
WIRE 496 -48 496 -128
WIRE 496 -48 -32 -48
WIRE -576 -32 -576 -48
WIRE 496 -16 496 -48
WIRE -576 64 -576 48
WIRE -496 64 -576 64
WIRE -384 64 -432 64
WIRE 0 64 -32 64
WIRE 96 64 80 64
WIRE -576 96 -576 64
WIRE 496 96 496 64
WIRE -496 176 -528 176
WIRE -384 176 -416 176
WIRE 112 176 -32 176
WIRE 144 176 112 176
WIRE 240 176 224 176
WIRE 112 224 112 176
WIRE 240 224 240 176
WIRE -384 288 -400 288
WIRE 16 288 -32 288
WIRE 16 304 16 288
WIRE 112 320 112 288
WIRE 240 320 240 288
WIRE 240 320 112 320
WIRE 112 336 112 320
WIRE -272 384 -272 368
WIRE -144 384 -144 368
WIRE 16 384 16 368
FLAG 576 -272 0
FLAG 752 -272 0
FLAG -752 -384 IN
FLAG 752 -384 OUT
FLAG -752 -272 0
FLAG -528 176 0
FLAG -144 384 0
FLAG 240 -80 0
FLAG -272 384 0
FLAG 16 -80 0
FLAG -576 96 0
FLAG 16 384 0
FLAG 112 336 0
FLAG 96 64 0
FLAG 496 96 0
FLAG -400 288 0
SYMBOL cap 560 -368 R0
SYMATTR Value2 X6
SYMATTR Value 10
SYMATTR SpiceLine Rser=1.1m
SYMATTR InstName C2
SYMBOL schottky 352 -368 R270
SYMATTR InstName D1
SYMATTR Value MBR745
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 224 -176 R0
SYMATTR InstName RCS
SYMATTR Value 40m
SYMBOL res 736 -384 R0
SYMATTR InstName Rload
SYMATTR Value 20
SYMBOL res -400 160 R90
SYMATTR InstName R9
SYMATTR Value 100K
SYMBOL NMOS 192 -352 R0
SYMATTR InstName M1
SYMATTR Value BSC093N04LS
SYMBOL res 192 -176 R90
SYMATTR InstName R1
SYMATTR Value 221
SYMBOL cap 0 -160 R0
SYMATTR InstName C4
SYMATTR Value 1n
SYMBOL res -592 -272 R0
SYMATTR InstName R2
SYMATTR Value 210k
SYMBOL cap -432 48 R90
SYMATTR InstName C1
SYMATTR Value 39n
SYMBOL res -592 -160 R0
SYMATTR InstName R3
SYMATTR Value 1.18k
SYMBOL res -592 -48 R0
SYMATTR InstName R4
SYMATTR Value 17.8k
SYMBOL cap 0 304 R0
SYMATTR InstName C5
SYMATTR Value 1
SYMBOL cap 224 224 R0
SYMATTR InstName C6
SYMATTR Value 220n
SYMBOL cap 96 224 R0
SYMATTR InstName C9
SYMATTR Value 3.3n
SYMBOL res 240 160 R90
SYMATTR InstName R5
SYMATTR Value 2.1K
SYMBOL res -16 80 R270
SYMATTR InstName R6
SYMATTR Value 1
SYMBOL res 480 -224 R0
SYMATTR InstName R7
SYMATTR Value 562K
SYMBOL res 480 -32 R0
SYMATTR InstName R8
SYMATTR Value 30.1K
SYMBOL ind -256 -368 R270
SYMATTR InstName L1
SYMATTR Value 51
SYMATTR SpiceLine Rser=100m
SYMBOL voltage -752 -384 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL MAX17597 -208 -32 R0
SYMATTR InstName U1