Reference design document for an adjustable-output 200 W SEPIC power supply, a 3.26 MB PDF.

Datasheet for the PAM2306, a dual-channel synchronous step-down DC-DC converter from Diodes Incorporated.

Datasheet for the LM317 adjustable positive voltage regulator in a 334 KB PDF. The regulator sets its output from about 1.25 V upward with two resistors and supplies up…

Datasheet for the LM317, the widely used adjustable three-terminal positive linear voltage regulator, supplied as a 211 KB PDF.

Datasheet for the LM337, an adjustable three-terminal negative voltage regulator, the counterpart of the positive LM317.

Combined datasheet in PDF form covering the LM138 and LM338, 396 KB in size. Both are adjustable positive voltage regulators rated for around 5 A, the LM138 being the…

Datasheet for the TL431 adjustable precision shunt regulator, in a 189 KB PDF; the D suffix in the name is not explained.