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  2. LM317 - Wikipedia

    en.wikipedia.org/wiki/LM317

    LM317 with heat sink. The LM317 is an adjustable positive linear voltage regulator.It was designed by Bob Dobkin in 1976 while he worked at National Semiconductor. [1]The LM337 is the negative complement to the LM317, which regulates voltages below a reference.

  3. List of LM-series integrated circuits - Wikipedia

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

    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

  4. Linear regulator - Wikipedia

    en.wikipedia.org/wiki/Linear_regulator

    The LM317 series (+1.25 V) regulates positive voltages while the LM337 series (−1.25 V) regulates negative voltages. The adjustment is performed by constructing a potential divider with its ends between the regulator output and ground, and its centre-tap connected to the 'adjust' terminal of the regulator.

  5. List of linear integrated circuits - Wikipedia

    en.wikipedia.org/wiki/List_of_linear_integrated...

    LM317: Adjustable 1.5 A positive voltage regulator (1.25 V-37 V) [8] LM13700: Two current controlled operational transconductance amplifiers (OTA), each having differential inputs and a push-pull output. LM393 No Dual Differential Comparator [9] LM358: No Low power, wide supply range dual op-amps [10] LM386: Low voltage audio power amplifier ...

  6. Bob Widlar - Wikipedia

    en.wikipedia.org/wiki/Bob_Widlar

    Widlar invented the basic building blocks of linear ICs including the Widlar current source, the Widlar bandgap voltage reference [9] and the Widlar output stage. [10] From 1964 to 1970, Widlar, together with David Talbert, created the first mass-produced operational amplifier ICs (μA702, μA709), some of the earliest integrated voltage regulator ICs (LM100 and LM105), the first operational ...

  7. Low-dropout regulator - Wikipedia

    en.wikipedia.org/wiki/Low-dropout_regulator

    Low-dropout (LDO) regulators operate similarly to all linear voltage regulators.The main difference between LDO and non-LDO regulators is their schematic topology.Instead of an emitter follower topology, low-dropout regulators consist of an open collector or open drain topology, where the transistor may be easily driven into saturation with the voltages available to the regulator.

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