* SPICE netlist
R1 N012 N011 1K
C1 N011 0 3300p
C2 N018 0 390p
C3 N017 0 590p
MQ1 N007 N010 0 0 FDS6680A
C4 N008 OUT2 1000p
L1 N007 N008 50
R2 N008 OUT2 50m
C5 OUT1 0 220 Rser=0.1 x2
D1 0 N007 1N5818
MQ2 N006 N009 0 0 FDS6680A
MQ3 N006 N001 IN IN FDC638P
L2 N006 N005 50
R3 N005 OUT1 50m
D2 0 N006 1N5818
C6 N005 OUT1 1000p
V1 IN 0 10
MQ4 N007 N004 IN IN FDC638P
XU1 N005 N015 N002 0 0 N009 MP_01 MP_02 N004 IN N018 MP_03 N013 OUT2 N008 N016 N003 0 0 N010 MP_04 MP_05 N001 IN N017 MP_06 N012 OUT1 LTC1142-ADJ ;pnba Sense+1)FB1)SHDN1)SGND1)PGND1)N-drive1)))P-drive2)Vin2)Ct2))Ith2)Sense-2)Sense+2)FB2)SHDN2)SGND2)PGND2)N-drive2)))P-drive1)Vin1)Ct1))Ith1)Sense-1
R4 N013 N014 1K
C7 N014 0 3300p
R5 N015 0 1K
R6 OUT1 N015 2K
R7 N016 0 1K
R8 OUT2 N016 2K
C8 OUT2 0 220 Rser=0.1 x2
Rload2 OUT2 0 10
Rload1 OUT1 0 10
.tran 1.5m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2336 720
WIRE -800 -360 -912 -360
WIRE -288 -360 -800 -360
WIRE 352 -360 -288 -360
WIRE 784 -360 352 -360
WIRE -912 -344 -912 -360
WIRE -800 -312 -800 -360
WIRE -496 -296 -752 -296
WIRE -288 -296 -288 -360
WIRE -128 -296 -128 -328
WIRE 192 -296 192 -328
WIRE 352 -296 352 -360
WIRE 784 -296 784 -360
WIRE 736 -280 704 -280
WIRE -912 -248 -912 -264
WIRE -496 -216 -496 -296
WIRE -368 -216 -496 -216
WIRE 704 -216 704 -280
WIRE 704 -216 432 -216
WIRE -1008 -184 -1024 -184
WIRE -912 -184 -928 -184
WIRE -896 -184 -912 -184
WIRE -800 -184 -800 -216
WIRE -800 -184 -816 -184
WIRE 784 -184 784 -200
WIRE 816 -184 784 -184
WIRE 912 -184 896 -184
WIRE 944 -184 912 -184
WIRE 1040 -184 1024 -184
WIRE -912 -136 -912 -184
WIRE -448 -136 -912 -136
WIRE -368 -136 -448 -136
WIRE 464 -136 432 -136
WIRE 912 -136 912 -184
WIRE 912 -136 464 -136
WIRE -1024 -56 -1024 -184
WIRE -1024 -56 -1152 -56
WIRE -640 -56 -1024 -56
WIRE -448 -56 -448 -72
WIRE -448 -56 -640 -56
WIRE -368 -56 -448 -56
WIRE 464 -56 464 -72
WIRE 464 -56 432 -56
WIRE 672 -56 464 -56
WIRE 1040 -56 1040 -184
WIRE 1040 -56 672 -56
WIRE 1168 -56 1040 -56
WIRE -1152 -40 -1152 -56
WIRE -1024 -40 -1024 -56
WIRE 1040 -40 1040 -56
WIRE 1168 -40 1168 -56
WIRE -800 -24 -800 -184
WIRE -800 -24 -912 -24
WIRE 784 -24 784 -184
WIRE 928 -24 784 -24
WIRE -800 -8 -800 -24
WIRE 928 8 928 -24
WIRE -912 24 -912 -24
WIRE -368 24 -720 24
WIRE 704 24 432 24
WIRE -1152 56 -1152 40
WIRE -1024 56 -1024 24
WIRE 704 56 704 24
WIRE 736 56 704 56
WIRE 1040 56 1040 24
WIRE 1168 56 1168 40
WIRE -720 72 -720 24
WIRE -720 72 -752 72
WIRE -640 72 -640 -56
WIRE 672 72 672 -56
WIRE 784 88 784 72
WIRE -544 104 -560 104
WIRE -464 104 -480 104
WIRE -368 104 -384 104
WIRE 448 104 432 104
WIRE 544 104 528 104
WIRE 624 104 608 104
WIRE 928 104 928 72
WIRE -912 120 -912 88
WIRE -800 120 -800 88
WIRE -640 184 -640 152
WIRE -368 184 -640 184
WIRE 672 184 672 152
WIRE 672 184 432 184
WIRE -640 200 -640 184
WIRE 672 200 672 184
WIRE -288 280 -288 264
WIRE -144 280 -144 264
WIRE -16 280 -16 264
WIRE 80 280 80 264
WIRE 208 280 208 264
WIRE 352 280 352 264
WIRE -640 296 -640 280
WIRE 672 296 672 280
WIRE -16 360 -16 344
WIRE 80 360 80 344
FLAG 352 280 0
FLAG 208 280 0
FLAG 80 360 0
FLAG -16 360 0
FLAG -144 280 0
FLAG -288 280 0
FLAG -560 104 0
FLAG 1040 56 0
FLAG 784 88 0
FLAG 928 104 0
FLAG -1024 56 0
FLAG -800 120 0
FLAG -912 120 0
FLAG 1168 56 0
FLAG -1152 56 0
FLAG -912 -248 0
FLAG 624 104 0
FLAG -640 296 0
FLAG 672 296 0
FLAG -912 -360 IN
FLAG -1152 -56 OUT1
FLAG 1168 -56 OUT2
SYMBOL RES -368 88 R90
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL cap -480 88 R90
SYMATTR InstName C1
SYMATTR Value 3300p
SYMBOL cap 64 280 R0
SYMATTR InstName C2
SYMATTR Value 390p
SYMBOL cap -32 280 R0
SYMATTR InstName C3
SYMATTR Value 590p
SYMBOL NMOS 736 -24 R0
SYMATTR Value FDS6680A
SYMATTR InstName Q1
SYMBOL cap 448 -136 R0
SYMATTR InstName C4
SYMATTR Value 1000p
SYMBOL ind 800 -168 R270
SYMATTR InstName L1
SYMATTR Value 50
SYMBOL res 928 -200 M90
SYMATTR InstName R2
SYMATTR Value 50m
SYMBOL polcap -1040 -40 R0
SYMATTR SpiceLine2 x2
SYMATTR Value 220
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName C5
SYMBOL schottky 912 72 M180
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL NMOS -752 -8 M0
SYMATTR InstName Q2
SYMATTR Value FDS6680A
SYMBOL PMOS -752 -216 R180
SYMATTR InstName Q3
SYMATTR Value FDC638P
SYMBOL ind -800 -168 M270
SYMATTR InstName L2
SYMATTR Value 50
SYMBOL res -912 -200 R90
SYMATTR InstName R3
SYMATTR Value 50m
SYMBOL schottky -928 88 M180
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL cap -464 -136 R0
SYMATTR InstName C6
SYMATTR Value 1000p
SYMBOL VOLTAGE -912 -360 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL PMOS 736 -200 M180
SYMATTR InstName Q4
SYMATTR Value FDC638P
SYMBOL PowerProducts\\LTC1142HV-ADJ 32 -56 R0
SYMATTR InstName U1
SYMBOL RES 432 88 M90
SYMATTR InstName R4
SYMATTR Value 1K
SYMBOL cap 544 88 M90
SYMATTR InstName C7
SYMATTR Value 3300p
SYMBOL res -656 184 R0
SYMATTR InstName R5
SYMATTR Value 1K
SYMBOL res -656 56 R0
SYMATTR InstName R6
SYMATTR Value 2K
SYMBOL res 656 184 R0
SYMATTR InstName R7
SYMATTR Value 1K
SYMBOL res 656 56 R0
SYMATTR InstName R8
SYMATTR Value 2K
SYMBOL polcap 1024 -40 R0
SYMATTR SpiceLine2 x2
SYMATTR Value 220
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName C8
SYMBOL res 1152 -56 R0
SYMATTR InstName Rload2
SYMATTR Value 10
SYMBOL res -1168 -56 R0
SYMATTR InstName Rload1
SYMATTR Value 10