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  2. LM317 - Wikipedia

    en.wikipedia.org/wiki/LM317

    As linear regulators, the LM317 and LM337 are used in DC to DC converter applications. Linear regulators inherently waste power; the power dissipated is the current passed multiplied by the voltage difference between input and output. A LM317 commonly requires a heat sink to prevent the operating temperature from rising too high. For large ...

  3. File:LM317 typical schematic.svg - Wikipedia

    en.wikipedia.org/wiki/File:LM317_typical...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  4. File:LM317 1A ConstCurrent.svg - Wikipedia

    en.wikipedia.org/wiki/File:LM317_1A_ConstCurrent.svg

    English: Schematic of a 1A current regulator using LM317 adjustable voltage regulator. The open-circuit voltage assumes the output stage of the LM317 saturates at approximately 0.2 V and the adjust pin sinks enough current so that the voltage drop across the 1.25 ohm resistor is 1.25 V, which corresponds to the approximate temperature-compensated bandgap of silicon.

  5. List of LM-series integrated circuits - Wikipedia

    en.wikipedia.org/wiki/List_of_LM-series...

    The following is a list of LM-series integrated circuits. ... High-power op-amp [7] LM101 LM201 LM301 ... Quadruple wide-supply-range op-amps [14] LM143 LM343

  6. Voltage regulator - Wikipedia

    en.wikipedia.org/wiki/Voltage_regulator

    The power supply is designed to only supply a maximum amount of current that is within the safe operating capability of the shunt regulating device. If the stabilizer must provide more power, the shunt output is only used to provide the standard voltage reference for the electronic device, known as the voltage stabilizer.

  7. Current source - Wikipedia

    en.wikipedia.org/wiki/Current_source

    When connected to a short circuit, there is zero voltage and thus zero power delivered. When connected to a load resistance , the current source manages the voltage in such a way as to keep the current constant; so in an ideal current source the voltage across the source approaches infinity as the load resistance approaches infinity (an open ...

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  9. Linear regulator - Wikipedia

    en.wikipedia.org/wiki/Linear_regulator

    When the supply voltage is less than about 2 V above the desired output voltage, as is the case in low-voltage microprocessor power supplies, so-called low dropout regulators (LDOs) must be used. When the output regulated voltage must be higher than the available input voltage, no linear regulator will work (not even a low dropout regulator).