* SPICE netlist
C1 N021 0 .01
C2 N022 0 100p
C3 N023 0 .01
MQ1 IN N010 N011 N011 Si4410DY
MQ2 N011 N014 0 0 Si4410DY
L1 N011 N012 10
D1 0 N011 1N5818
R1 N012 OUT2 .03
C4 N002 N011 .1
D2 N001 N002 1N5818
D3 N001 N005 1N5818
MQ3 IN N007 N009 N009 Si4410DY
MQ4 N009 N013 0 0 Si4410DY
L2 N009 N008 10
D4 0 N009 1N5818
R2 N008 OUT1 .03
C5 N005 N009 .1
C6 OUT1 0 220
C7 OUT2 0 220
R3 N020 0 10K
C8 N018 N020 1000p
C9 N020 0 470p
R4 N019 0 10K
C10 N017 N019 1000p
C11 N019 0 470p
C12 N012 OUT2 1000p
C13 N008 OUT1 1000p
Q5 N006 N004 IN 0 2N2907
R5 N006 0 10K
R6 IN N004 1K
V1 IN 0 20
R7 N016 0 100K
R8 OUT2 N016 177K
C14 N006 0 1
XU1 N021 N008 OUT1 N001 N017 MP_01 N022 0 MP_02 MP_03 N015 N018 MP_04 N016 OUT2 N012 N023 N004 N006 OUT1 N002 N010 N011 MP_05 N003 N014 0 N001 N013 IN MP_06 N009 N007 N005 LTC1438 ;pnba Run/SS1)Sense+1)Sense-1)Vprog1)Ith1))Cosc)SGND)))SFB1)Ith2))Vosense2)Sense-2)Sense+2)Run/SS2)AUXDR)AUXFB)AUXON)Boost2)TGL2)SW2))EXTVcc)BG2)PGND)INTVcc)BG1)Vin))SW1)TGL1)Boost1
Rload1 OUT1 0 10
Rload2 OUT2 0 10
.tran 6.6m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2208 1120
WIRE -720 -560 -832 -560
WIRE -224 -560 -720 -560
WIRE 656 -560 -224 -560
WIRE 704 -560 656 -560
WIRE 800 -560 704 -560
WIRE -832 -544 -832 -560
WIRE -480 -496 -592 -496
WIRE 16 -496 -480 -496
WIRE 96 -496 16 -496
WIRE 496 -496 160 -496
WIRE 704 -496 704 -560
WIRE -832 -448 -832 -464
WIRE -592 -432 -592 -496
WIRE -224 -432 -224 -560
WIRE 16 -432 16 -496
WIRE 256 -432 256 -464
WIRE 800 -400 800 -560
WIRE -400 -352 -448 -352
WIRE 704 -352 704 -416
WIRE 704 -352 432 -352
WIRE 736 -352 704 -352
WIRE -720 -272 -720 -560
WIRE -592 -272 -592 -368
WIRE -400 -272 -592 -272
WIRE 800 -272 800 -304
WIRE 800 -272 432 -272
WIRE 912 -272 800 -272
WIRE 800 -256 800 -272
WIRE 912 -256 912 -272
WIRE -400 -192 -672 -192
WIRE 496 -192 496 -496
WIRE 496 -192 432 -192
WIRE 656 -192 656 -560
WIRE 800 -160 800 -176
WIRE 912 -160 912 -192
WIRE -944 -144 -960 -144
WIRE -832 -144 -864 -144
WIRE -720 -144 -720 -176
WIRE -720 -144 -832 -144
WIRE -592 -144 -592 -208
WIRE -592 -144 -720 -144
WIRE -720 -112 -720 -144
WIRE -592 -112 -592 -144
WIRE -400 -112 -592 -112
WIRE 608 -112 432 -112
WIRE -832 -96 -832 -144
WIRE 496 -64 496 -128
WIRE 656 -64 656 -96
WIRE 656 -64 496 -64
WIRE 800 -64 656 -64
WIRE 848 -64 800 -64
WIRE 960 -64 928 -64
WIRE -400 -32 -672 -32
WIRE 496 -32 496 -64
WIRE 496 -32 432 -32
WIRE 656 -32 656 -64
WIRE 800 -16 800 -64
WIRE -832 16 -832 -32
WIRE -720 16 -720 -16
WIRE -960 48 -960 -144
WIRE -640 48 -960 48
WIRE -400 48 -640 48
WIRE 608 48 432 48
WIRE 656 96 656 64
WIRE 800 96 800 48
WIRE -960 128 -1088 128
WIRE -640 128 -640 112
WIRE -640 128 -960 128
WIRE -448 128 -448 -352
WIRE -448 128 -640 128
WIRE -400 128 -448 128
WIRE 496 128 432 128
WIRE 960 128 960 -64
WIRE 960 128 496 128
WIRE -1088 144 -1088 128
WIRE -960 144 -960 128
WIRE -400 208 -416 208
WIRE 496 208 496 192
WIRE 496 208 432 208
WIRE 960 208 496 208
WIRE -1088 240 -1088 224
WIRE -960 240 -960 208
WIRE -480 288 -480 -496
WIRE -400 288 -480 288
WIRE 736 288 432 288
WIRE 832 288 736 288
WIRE 960 288 960 208
WIRE 960 288 912 288
WIRE 1104 288 960 288
WIRE 736 304 736 288
WIRE 960 304 960 288
WIRE 1104 304 1104 288
WIRE -400 368 -496 368
WIRE 480 368 432 368
WIRE 736 400 736 384
WIRE 960 400 960 368
WIRE 1104 400 1104 384
WIRE -496 448 -496 432
WIRE -496 448 -624 448
WIRE 480 448 480 432
WIRE 608 448 480 448
WIRE -624 464 -624 448
WIRE -496 464 -496 448
WIRE -304 464 -304 448
WIRE -144 464 -144 448
WIRE 16 464 16 448
WIRE 176 464 176 448
WIRE 336 464 336 448
WIRE 480 464 480 448
WIRE 608 464 608 448
WIRE -304 544 -304 528
WIRE -144 544 -144 528
WIRE 336 544 336 528
WIRE -624 560 -624 528
WIRE -496 560 -496 544
WIRE 480 560 480 544
WIRE 608 560 608 528
FLAG -144 544 0
FLAG 16 464 0
FLAG -304 544 0
FLAG 336 544 0
FLAG 176 464 0
FLAG 656 96 0
FLAG 800 96 0
FLAG -720 16 0
FLAG -832 16 0
FLAG -960 240 0
FLAG 960 400 0
FLAG 480 560 0
FLAG 608 560 0
FLAG -496 560 0
FLAG -624 560 0
FLAG -1088 240 0
FLAG 1104 400 0
FLAG 800 -160 0
FLAG -832 -448 0
FLAG 736 400 0
FLAG 912 -160 0
FLAG -1088 128 OUT1
FLAG 1104 288 OUT2
FLAG -832 -560 IN
SYMBOL cap -320 464 R0
SYMATTR InstName C1
SYMATTR Value .01
SYMBOL cap -160 464 R0
SYMATTR InstName C2
SYMATTR Value 100p
SYMBOL cap 320 464 R0
SYMATTR InstName C3
SYMATTR Value .01
SYMBOL NMOS 608 -192 R0
SYMATTR InstName Q1
SYMATTR Value Si4410DY
SYMBOL nmos 608 -32 R0
SYMATTR InstName Q2
SYMATTR Value Si4410DY
SYMBOL ind 832 -48 R270
SYMATTR InstName L1
SYMATTR Value 10
SYMBOL schottky 784 48 M180
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL RES 944 112 R0
SYMATTR InstName R1
SYMATTR Value .03
SYMBOL cap 480 -192 R0
SYMATTR InstName C4
SYMATTR Value .1
SYMBOL schottky 96 -480 R270
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL schottky -608 -432 R0
SYMATTR InstName D3
SYMATTR Value 1N5818
SYMBOL nmos -672 -272 M0
SYMATTR InstName Q3
SYMATTR Value Si4410DY
SYMBOL nmos -672 -112 M0
SYMATTR InstName Q4
SYMATTR Value Si4410DY
SYMBOL ind -848 -128 M270
SYMATTR InstName L2
SYMATTR Value 10
SYMBOL schottky -848 -32 M180
SYMATTR InstName D4
SYMATTR Value 1N5818
SYMBOL res -976 32 R0
SYMATTR InstName R2
SYMATTR Value .03
SYMBOL cap -608 -272 R0
SYMATTR InstName C5
SYMATTR Value .1
SYMBOL polcap -976 144 R0
SYMATTR InstName C6
SYMATTR Value 220
SYMBOL polcap 944 304 R0
SYMATTR InstName C7
SYMATTR Value 220
SYMBOL res 464 448 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL cap 464 368 R0
SYMATTR InstName C8
SYMATTR Value 1000p
SYMBOL cap 592 464 R0
SYMATTR InstName C9
SYMATTR Value 470p
SYMBOL res -512 448 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL cap -512 368 R0
SYMATTR InstName C10
SYMATTR Value 1000p
SYMBOL cap -640 464 R0
SYMATTR InstName C11
SYMATTR Value 470p
SYMBOL cap 480 128 R0
SYMATTR InstName C12
SYMATTR Value 1000p
SYMBOL cap -656 48 R0
SYMATTR InstName C13
SYMATTR Value 1000p
SYMBOL PNP 736 -304 M180
SYMATTR InstName Q5
SYMATTR Value 2N2907
SYMBOL res 784 -272 R0
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL res 688 -512 R0
SYMATTR InstName R6
SYMATTR Value 1K
SYMBOL VOLTAGE -832 -560 R0
SYMATTR InstName V1
SYMATTR Value 20
SYMBOL RES 720 288 R0
SYMATTR InstName R7
SYMATTR Value 100K
SYMBOL RES 928 272 R90
SYMATTR InstName R8
SYMATTR Value 177K
SYMBOL polcap 896 -256 R0
SYMATTR InstName C14
SYMATTR Value 1
SYMBOL POWERPRODUCTS\\LTC1438 16 -32 R0
SYMATTR InstName U1
SYMBOL res -1104 128 R0
SYMATTR InstName Rload1
SYMATTR Value 10
SYMBOL res 1088 288 R0
SYMATTR InstName Rload2
SYMATTR Value 10