* SPICE netlist
VUSB_5V 5V 0 5
VPico_3.3V 3.3V 0 3.3
Q1 N009 N015 0 0 2N2222
R1 N015 NPN_enable 2k
M1 N003 N009 0 0 IRFZ44N
ROutput 5V N003 25
R3 5V N009 20k
C1 N009 0 47n
Q2 NPN_enable PICO_output_pin 3.3V 0 PNP
Q3 N010 N016 0 0 2N2222
R2 N016 NPN_enable 2k
M2 N004 N010 0 0 IRFZ44N
ROutput1 5V N004 25
R5 5V N010 20k
C2 N010 0 47n
Q4 N011 N017 0 0 2N2222
R6 N017 NPN_enable 2k
M3 N005 N011 0 0 IRFZ44N
ROutput2 5V N005 25
R7 5V N011 20k
C3 N011 0 47n
Q5 N012 N018 0 0 2N2222
R8 N018 NPN_enable 2k
M4 N006 N012 0 0 IRFZ44N
ROutput3 5V N006 25
R9 5V N012 20k
C4 N012 0 47n
Q6 N013 N019 0 0 2N2222
R10 N019 NPN_enable 2k
M5 N007 N013 0 0 IRFZ44N
ROutput4 5V N007 25
R11 5V N013 20k
C5 N013 0 47n
Q7 N014 N020 0 0 2N2222
R12 N020 NPN_enable 2k
M6 N008 N014 0 0 IRFZ44N
ROutput5 5V N008 25
R13 5V N014 20k
C6 N014 0 47n
B1 N001 0 V=delay(V(3.3V), 500m)
V1 N002 0 PULSE(0 3.3 0.5 20n 20n 1 2)
R4 NPN_enable N002 15k
R14 PICO_output_pin N001 15k
.tran 10 startup

* LTspice schematic (.asc)
Version 4
SHEET 1 4480 1728
WIRE 496 -816 496 -864
WIRE 432 -768 384 -768
WIRE -384 -752 -464 -752
WIRE -304 -752 -320 -752
WIRE -16 -752 -64 -752
WIRE 496 -672 496 -720
WIRE -432 -608 -448 -608
WIRE -336 -608 -352 -608
WIRE -448 -560 -448 -608
WIRE -448 -400 -448 -480
WIRE -160 -272 -224 -272
WIRE 0 -272 -80 -272
WIRE -224 -192 -224 -272
WIRE -224 -48 -224 -112
WIRE -2032 320 -2032 272
WIRE -1728 320 -2032 320
WIRE -1264 320 -1264 272
WIRE -960 320 -1264 320
WIRE -512 320 -512 272
WIRE -208 320 -512 320
WIRE 272 320 272 272
WIRE 576 320 272 320
WIRE 1072 320 1072 288
WIRE 1376 320 1072 320
WIRE 1936 320 1936 288
WIRE 2240 320 1936 320
WIRE -1728 368 -1728 320
WIRE -960 368 -960 320
WIRE -208 368 -208 320
WIRE 576 368 576 320
WIRE 1376 368 1376 320
WIRE 2240 368 2240 320
WIRE -2032 400 -2032 320
WIRE -1264 400 -1264 320
WIRE -512 400 -512 320
WIRE 272 400 272 320
WIRE 1072 400 1072 320
WIRE 1936 400 1936 320
WIRE -1728 496 -1728 448
WIRE -960 496 -960 448
WIRE -208 496 -208 448
WIRE 576 496 576 448
WIRE 1376 496 1376 448
WIRE 2240 496 2240 448
WIRE -2032 576 -2032 480
WIRE -1872 576 -2032 576
WIRE -1776 576 -1872 576
WIRE -1264 576 -1264 480
WIRE -1104 576 -1264 576
WIRE -1008 576 -1104 576
WIRE -512 576 -512 480
WIRE -352 576 -512 576
WIRE -256 576 -352 576
WIRE 272 576 272 480
WIRE 432 576 272 576
WIRE 528 576 432 576
WIRE 1072 576 1072 480
WIRE 1232 576 1072 576
WIRE 1328 576 1232 576
WIRE 1936 576 1936 480
WIRE 2096 576 1936 576
WIRE 2192 576 2096 576
WIRE -1872 624 -1872 576
WIRE -1104 624 -1104 576
WIRE -352 624 -352 576
WIRE 432 624 432 576
WIRE 1232 624 1232 576
WIRE 2096 624 2096 576
WIRE -2032 672 -2032 576
WIRE -1264 672 -1264 576
WIRE -512 672 -512 576
WIRE 272 672 272 576
WIRE 1072 672 1072 576
WIRE 1936 672 1936 576
WIRE -2224 720 -2240 720
WIRE -2096 720 -2144 720
WIRE -1728 720 -1728 592
WIRE -1456 720 -1472 720
WIRE -1328 720 -1376 720
WIRE -960 720 -960 592
WIRE -704 720 -720 720
WIRE -576 720 -624 720
WIRE -208 720 -208 592
WIRE 80 720 64 720
WIRE 208 720 160 720
WIRE 576 720 576 592
WIRE 880 720 864 720
WIRE 1008 720 960 720
WIRE 1376 720 1376 592
WIRE 1744 720 1728 720
WIRE 1872 720 1824 720
WIRE 2240 720 2240 592
WIRE -1872 736 -1872 688
WIRE -1104 736 -1104 688
WIRE -352 736 -352 688
WIRE 432 736 432 688
WIRE 1232 736 1232 688
WIRE 2096 736 2096 688
WIRE -2032 864 -2032 768
WIRE -1264 864 -1264 768
WIRE -512 864 -512 768
WIRE 272 864 272 768
WIRE 1072 864 1072 768
WIRE 1936 864 1936 768
FLAG 64 -752 0
FLAG -304 -752 0
FLAG -1728 720 0
FLAG -2032 864 0
FLAG -1872 736 0
FLAG -960 720 0
FLAG -1264 864 0
FLAG -1104 736 0
FLAG -208 720 0
FLAG -512 864 0
FLAG -352 736 0
FLAG 576 720 0
FLAG 272 864 0
FLAG 432 736 0
FLAG 1376 720 0
FLAG 1072 864 0
FLAG 1232 736 0
FLAG 2240 720 0
FLAG 1936 864 0
FLAG 2096 736 0
FLAG -2032 272 5V
IOPIN 160 -336 In
FLAG -1264 272 5V
IOPIN 928 -336 In
FLAG -512 272 5V
IOPIN 1680 -336 In
FLAG 272 272 5V
IOPIN 2464 -336 In
FLAG 1072 288 5V
IOPIN 3264 -320 In
FLAG 1936 288 5V
IOPIN 4128 -320 In
FLAG -2240 720 NPN_enable
IOPIN -48 112 In
FLAG -1472 720 NPN_enable
IOPIN 720 112 In
FLAG -720 720 NPN_enable
IOPIN 1472 112 In
FLAG 64 720 NPN_enable
IOPIN 2256 112 In
FLAG 864 720 NPN_enable
IOPIN 3056 112 In
FLAG 1728 720 NPN_enable
IOPIN 3920 112 In
FLAG -464 -752 5V
IOPIN 1728 -1360 Out
FLAG -64 -752 3.3V
IOPIN 2128 -1360 Out
FLAG 496 -864 3.3V
IOPIN 2688 -1472 In
FLAG 496 -672 NPN_enable
IOPIN 2688 -1280 Out
FLAG 384 -768 PICO_output_pin
IOPIN 2576 -1376 In
FLAG -448 -400 0
FLAG -336 -608 PICO_output_pin
IOPIN 1856 -1216 Out
FLAG -224 -48 0
FLAG 0 -272 NPN_enable
IOPIN 2192 -880 Out
SYMBOL voltage -400 -752 R270
SYMATTR InstName USB_5V
SYMATTR Value 5
SYMBOL voltage -32 -752 R270
SYMATTR InstName Pico_3.3V
SYMATTR Value 3.3
SYMBOL npn -2096 672 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL res -2128 704 R90
SYMATTR InstName R1
SYMATTR Value 2k
SYMBOL nmos -1776 496 R0
SYMATTR InstName M1
SYMATTR Value IRFZ44N
SYMBOL res -1744 352 R0
SYMATTR InstName Output
SYMATTR Value 25
SYMBOL res -2048 384 R0
SYMATTR InstName R3
SYMATTR Value 20k
SYMBOL cap -1888 624 R0
SYMATTR InstName C1
SYMATTR Value 47n
SYMBOL pnp 432 -720 M180
SYMATTR InstName Q2
SYMBOL npn -1328 672 R0
SYMATTR InstName Q3
SYMATTR Value 2N2222
SYMBOL res -1360 704 R90
SYMATTR InstName R2
SYMATTR Value 2k
SYMBOL nmos -1008 496 R0
SYMATTR InstName M2
SYMATTR Value IRFZ44N
SYMBOL res -976 352 R0
SYMATTR InstName Output1
SYMATTR Value 25
SYMBOL res -1280 384 R0
SYMATTR InstName R5
SYMATTR Value 20k
SYMBOL cap -1120 624 R0
SYMATTR InstName C2
SYMATTR Value 47n
SYMBOL npn -576 672 R0
SYMATTR InstName Q4
SYMATTR Value 2N2222
SYMBOL res -608 704 R90
SYMATTR InstName R6
SYMATTR Value 2k
SYMBOL nmos -256 496 R0
SYMATTR InstName M3
SYMATTR Value IRFZ44N
SYMBOL res -224 352 R0
SYMATTR InstName Output2
SYMATTR Value 25
SYMBOL res -528 384 R0
SYMATTR InstName R7
SYMATTR Value 20k
SYMBOL cap -368 624 R0
SYMATTR InstName C3
SYMATTR Value 47n
SYMBOL npn 208 672 R0
SYMATTR InstName Q5
SYMATTR Value 2N2222
SYMBOL res 176 704 R90
SYMATTR InstName R8
SYMATTR Value 2k
SYMBOL nmos 528 496 R0
SYMATTR InstName M4
SYMATTR Value IRFZ44N
SYMBOL res 560 352 R0
SYMATTR InstName Output3
SYMATTR Value 25
SYMBOL res 256 384 R0
SYMATTR InstName R9
SYMATTR Value 20k
SYMBOL cap 416 624 R0
SYMATTR InstName C4
SYMATTR Value 47n
SYMBOL npn 1008 672 R0
SYMATTR InstName Q6
SYMATTR Value 2N2222
SYMBOL res 976 704 R90
SYMATTR InstName R10
SYMATTR Value 2k
SYMBOL nmos 1328 496 R0
SYMATTR InstName M5
SYMATTR Value IRFZ44N
SYMBOL res 1360 352 R0
SYMATTR InstName Output4
SYMATTR Value 25
SYMBOL res 1056 384 R0
SYMATTR InstName R11
SYMATTR Value 20k
SYMBOL cap 1216 624 R0
SYMATTR InstName C5
SYMATTR Value 47n
SYMBOL npn 1872 672 R0
SYMATTR InstName Q7
SYMATTR Value 2N2222
SYMBOL res 1840 704 R90
SYMATTR InstName R12
SYMATTR Value 2k
SYMBOL nmos 2192 496 R0
SYMATTR InstName M6
SYMATTR Value IRFZ44N
SYMBOL res 2224 352 R0
SYMATTR InstName Output5
SYMATTR Value 25
SYMBOL res 1920 384 R0
SYMATTR InstName R13
SYMATTR Value 20k
SYMBOL cap 2080 624 R0
SYMATTR InstName C6
SYMATTR Value 47n
SYMBOL bv -448 -576 R0
SYMATTR InstName B1
SYMATTR Value V=delay(V(3.3V), 500m)
SYMBOL voltage -224 -208 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 3.3 0.5 20n 20n 1 2)
SYMBOL res -64 -288 R90
SYMATTR InstName R4
SYMATTR Value 15k
SYMBOL res -336 -624 R90
SYMATTR InstName R14
SYMATTR Value 15k