Based off of https://www.analog.com/media/en/technical-documentation/application-notes/an32f.pdf Application Note 32 "High Effi ciency Linear Regulators" Appendix A Figure A1a "Basic Regulating Loop".

Circuit-JS simulation text:

$ 68 1.0000000000000001e-7 63.79968419005069 50 5 50 5e-11
a 368 432 288 432 8 15 -15 1000000 2.9999333414477203 3 100000
207 368 448 368 480 4 Vref
w 288 432 288 400 0
207 272 368 224 368 4 in
w 304 368 432 368 0
r 432 368 432 416 0 10000
r 432 416 432 464 0 100000
g 432 464 432 480 0 0
w 368 416 432 416 0
207 496 368 496 384 4 out
v 80 464 80 400 0 1 1000 1 5 0 0.5
g 80 464 80 480 0 0
207 80 400 80 368 4 in
207 128 400 128 368 4 Vref
g 128 464 128 480 0 0
v 128 464 128 400 0 0 40 3 0 0 0.5
w 432 368 496 368 0
c 496 464 496 368 6 0.00009999999999999999 -3.2999266755924928 0.001 0
g 496 464 496 480 0 0
b 256 352 324 405 0
x 258 347 318 350 4 10 pass\selement
x 400 399 419 402 4 16 R1
x 403 446 422 449 4 16 R2
b 390 348 474 497 0
x 396 342 464 345 4 10 voltage\sdivider
w 496 368 576 368 0
r 576 368 576 464 0 100
g 576 464 576 480 0 0
f 288 400 288 368 40 1.5 0.02
b 559 354 611 503 0
x 569 349 588 352 4 10 load
o 9 64 0 4098 10 0.1 0 2 3 0

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