* SPICE netlist
XU1 N005 N002 0 0 MP_01 N009 MP_02 MP_03 N004 IN N016 MP_04 N013 +5 N008 N003 0 0 MP_05 N010 MP_06 MP_07 N001 IN N015 MP_08 N012 +3.3 LTC1142 ;pnba Sense+3)SHDN3)SGND3)PGND3))N-drive3)))P-drive5)Vin5)Ct5))Ith5)Sense-5)Sense+5)SHDN5)SGND5)PGND5))N-drive5)))P-drive3)Vin3)Ct3))Ith3)Sense-3
R1 N012 N011 1K
C1 N011 0 3300p
C2 N016 0 390p
C3 N015 0 590p
R2 N014 N013 1K
C4 N014 0 3300p
MQ1 N007 N010 0 0 FDS6680A
C5 N008 +5 1000p
L1 N007 N008 50
R3 N008 +5 50m
C6 +5 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
R4 N005 +3.3 50m
C7 +3.3 0 220 Rser=0.1 x2
D2 0 N006 1N5818
C8 N005 +3.3 1000p
Rload2 +5 0 10
Rload1 +3.3 0 10
V1 IN 0 10
MQ4 N007 N004 IN IN FDC638P
.tran 1.5m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1952 640
WIRE -608 -320 -928 -320
WIRE -304 -320 -608 -320
WIRE 336 -320 -304 -320
WIRE 576 -320 336 -320
WIRE -928 -304 -928 -320
WIRE -608 -272 -608 -320
WIRE -528 -256 -560 -256
WIRE -304 -256 -304 -320
WIRE -144 -256 -144 -288
WIRE 176 -256 176 -288
WIRE 336 -256 336 -320
WIRE 576 -256 576 -320
WIRE 528 -240 496 -240
WIRE -928 -208 -928 -224
WIRE -528 -176 -528 -256
WIRE -384 -176 -528 -176
WIRE 496 -176 496 -240
WIRE 496 -176 416 -176
WIRE -816 -144 -832 -144
WIRE -720 -144 -736 -144
WIRE -704 -144 -720 -144
WIRE -608 -144 -608 -176
WIRE -608 -144 -624 -144
WIRE 576 -144 576 -160
WIRE 608 -144 576 -144
WIRE 704 -144 688 -144
WIRE 736 -144 704 -144
WIRE 848 -144 816 -144
WIRE -720 -96 -720 -144
WIRE -464 -96 -720 -96
WIRE -384 -96 -464 -96
WIRE 448 -96 416 -96
WIRE 704 -96 704 -144
WIRE 704 -96 448 -96
WIRE -832 -16 -832 -144
WIRE -832 -16 -960 -16
WIRE -464 -16 -464 -32
WIRE -464 -16 -832 -16
WIRE -384 -16 -464 -16
WIRE 448 -16 448 -32
WIRE 448 -16 416 -16
WIRE 848 -16 848 -144
WIRE 848 -16 448 -16
WIRE 976 -16 848 -16
WIRE -960 0 -960 -16
WIRE -832 0 -832 -16
WIRE -608 0 -608 -144
WIRE -608 0 -720 0
WIRE 576 0 576 -144
WIRE 720 0 576 0
WIRE 848 0 848 -16
WIRE 976 0 976 -16
WIRE -720 32 -720 0
WIRE 720 32 720 0
WIRE -384 64 -528 64
WIRE 496 64 416 64
WIRE -528 80 -528 64
WIRE -528 80 -560 80
WIRE 496 80 496 64
WIRE 528 80 496 80
WIRE -960 96 -960 80
WIRE -832 96 -832 64
WIRE 848 96 848 64
WIRE 976 96 976 80
WIRE -720 112 -720 96
WIRE -608 112 -608 96
WIRE 576 112 576 96
WIRE 720 112 720 96
WIRE -480 144 -496 144
WIRE -384 144 -400 144
WIRE 432 144 416 144
WIRE 528 144 512 144
WIRE 528 160 528 144
WIRE -496 176 -496 144
WIRE -304 240 -304 224
WIRE -160 240 -160 224
WIRE -32 240 -32 224
WIRE 64 240 64 224
WIRE 528 240 528 224
WIRE -496 256 -496 240
WIRE 192 256 192 224
WIRE 336 256 336 224
WIRE -32 320 -32 304
WIRE 64 320 64 304
FLAG 528 240 0
FLAG 336 256 0
FLAG 192 256 0
FLAG 64 320 0
FLAG -32 320 0
FLAG -160 240 0
FLAG -304 240 0
FLAG -496 256 0
FLAG 848 96 0
FLAG 576 112 0
FLAG 720 112 0
FLAG -832 96 0
FLAG -608 112 0
FLAG -720 112 0
FLAG 976 96 0
FLAG -960 96 0
FLAG -960 -16 +3.3
FLAG 976 -16 +5
FLAG -928 -208 0
FLAG -928 -320 IN
SYMBOL POWERPRODUCTS\\LTC1142 16 -16 R0
SYMATTR InstName U1
SYMBOL RES -384 128 R90
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL cap -512 176 R0
SYMATTR InstName C1
SYMATTR Value 3300p
SYMBOL cap 48 240 R0
SYMATTR InstName C2
SYMATTR Value 390p
SYMBOL cap -48 240 R0
SYMATTR InstName C3
SYMATTR Value 590p
SYMBOL res 528 128 R90
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL cap 512 160 R0
SYMATTR InstName C4
SYMATTR Value 3300p
SYMBOL NMOS 528 0 R0
SYMATTR InstName Q1
SYMATTR Value FDS6680A
SYMBOL cap 432 -96 R0
SYMATTR InstName C5
SYMATTR Value 1000p
SYMBOL ind 592 -128 R270
SYMATTR InstName L1
SYMATTR Value 50
SYMBOL res 720 -160 M90
SYMATTR InstName R3
SYMATTR Value 50m
SYMBOL polcap 832 0 R0
SYMATTR SpiceLine2 x2
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName C6
SYMATTR Value 220
SYMBOL schottky 704 96 M180
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL NMOS -560 0 M0
SYMATTR InstName Q2
SYMATTR Value FDS6680A
SYMBOL PMOS -560 -176 R180
SYMATTR InstName Q3
SYMATTR Value FDC638P
SYMBOL ind -608 -128 M270
SYMATTR InstName L2
SYMATTR Value 50
SYMBOL res -720 -160 R90
SYMATTR InstName R4
SYMATTR Value 50m
SYMBOL polcap -848 0 R0
SYMATTR SpiceLine2 x2
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName C7
SYMATTR Value 220
SYMBOL schottky -736 96 M180
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL cap -480 -96 R0
SYMATTR InstName C8
SYMATTR Value 1000p
SYMBOL res 960 -16 R0
SYMATTR InstName Rload2
SYMATTR Value 10
SYMBOL res -976 -16 R0
SYMATTR InstName Rload1
SYMATTR Value 10
SYMBOL VOLTAGE -928 -320 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL PMOS 528 -160 M180
SYMATTR InstName Q4
SYMATTR Value FDC638P