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A LM317 commonly requires a heat sink to prevent the operating temperature from rising too high. For large voltage differences, the power lost as heat can ultimately be greater than that provided to the circuit. This is the tradeoff for using linear regulators, which are a simple way to provide a stable voltage with few additional components.
LM317: Adjustable 1.5 A positive voltage regulator (1.25 V-37 V) [62] LM120 LM320 Fixed 1.5 A negative voltage regulator (-5 V, -12 V, -15 V) [63] LM123 LM323 Fixed 3 A, 5-volt positive voltage regulator [64] LM325 Yes Dual ±15-volt voltage regulator [65] LM330 5-volt positive voltage regulator, 0.6 V input-output difference [66] LM333 Yes
A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board.The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15.
Wire crossover symbols for circuit diagrams. The CAD symbol for insulated crossing wires is the same as the older, non-CAD symbol for non-insulated crossing wires. To avoid confusion, the wire "jump" (semi-circle) symbol for insulated wires in non-CAD schematics is recommended (as opposed to using the CAD-style symbol for no connection), so as to avoid confusion with the original, older style ...
A circuit diagram (or: wiring diagram, electrical diagram, elementary diagram, electronic schematic) is a graphical representation of an electrical circuit. A pictorial circuit diagram uses simple images of components, while a schematic diagram shows the components and interconnections of the circuit using standardized symbolic representations.
7805 in TO-220 and TO-92 packages Internal die of a Tesla MA7805 78xx (sometimes L78xx , LM78xx , MC78xx ...) is a family of self-contained fixed linear voltage regulator integrated circuits . The 78xx family is commonly used in electronic circuits requiring a regulated power supply due to their ease-of-use and low cost.
A process design kit (PDK) is a set of files used within the semiconductor industry to model a fabrication process for the design tools used to design an integrated circuit. The PDK is created by the foundry defining a certain technology variation for their processes.