$ 1 5.0E-6 10.20027730826997 50 5.0 50
a 560 400 480 400 1 15.0 -15.0 1000000.0
r 480 400 432 400 0 10000.0
t 432 400 400 400 0 1 -20.00024748937585 -15.00024750938585 100.0
v 560 480 560 416 0 0 40.0 2.5 0.0 0.0 0.5
w 400 416 400 480 0
w 400 480 480 480 0
w 480 480 560 480 0
w 560 384 608 384 0
174 656 336 608 432 0 500000.0 0.005 Resistance
f 400 304 464 304 1 1.5
s 336 304 336 400 0 1 true
s 336 224 336 304 0 1 true
w 400 304 336 304 0
x 439 456 512 462 0 24 TL431
x 256 354 293 360 0 24 ON
x 255 263 302 269 0 24 OFF
w 464 224 400 224 0
w 400 224 336 224 0
w 336 224 208 224 0
172 208 224 144 224 0 6 5.0 35.0 -5.0 0.0 0.5 Voltage
g 208 544 160 544 0
w 656 544 400 544 0
w 400 544 336 544 0
w 336 544 208 544 0
w 656 544 784 544 0
w 784 544 864 544 0
x 259 143 725 149 0 24 Low voltage cutoff (3-36V) using TL431
x 489 302 611 308 0 24 P-MOSFET
x 191 606 828 612 0 24 You can omit 1k resistor if you don't need OFF switch
x 211 181 784 187 0 24 Built in switch buttons and zero off state current
x 675 380 714 384 0 16 500k
x 676 398 746 402 0 16 multiturn
x 454 276 461 279 0 10 S
x 458 335 466 338 0 10 D
w 464 320 656 320 0
w 656 320 656 336 0
w 656 320 784 320 0
w 784 320 864 320 0
w 400 304 400 384 0
r 400 480 400 544 0 200.0
r 400 304 400 224 0 200000.0
w 464 288 464 224 0
162 784 432 784 544 1 2.1024259 1.0 0.0 0.0
w 656 432 656 544 0
w 336 480 336 400 0
w 400 480 336 480 0
d 384 416 384 384 1 0.805904783
w 384 384 400 384 0
w 384 416 400 416 0
r 784 432 784 320 0 100.0
o 18 64 0 289 2.5 9.765625E-5 0 -1
o 9 64 0 35 10.0 9.765625E-5 1 -1
o 7 64 0 35 0.3125 9.765625E-5 2 -1