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LM317 Datasheet, PDF - National Semiconductor (TI)

Search Partnumber : Match&Start with "LM317" - Select : 49 , Total : 982 ( 2/3 Page)

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LM317 Datasheet, PDF [Old version datasheet]

Manufacturer	Part #	Datasheet	Description
National Semiconductor ...	LM317EMPX	645Kb/25P	3-Terminal Adjustable Regulator
	LM317H	1,013Kb/28P	3-Terminal Adjustable Regulator
	LM317H	645Kb/25P	3-Terminal Adjustable Regulator
	LM317HV	469Kb/15P	3-Terminal Adjustable Regulator
	LM317HVH	469Kb/15P	3-Terminal Adjustable Regulator
	LM317HVK	469Kb/15P	3-Terminal Adjustable Regulator
	LM317HVT	469Kb/15P	3-Terminal Adjustable Regulator
	LM317KSTEEL	1,013Kb/28P	3-Terminal Adjustable Regulator
	LM317L	918Kb/16P	3-Terminal Adjustable Regulator
	LM317L	442Kb/17P	3-Terminal Adjustable Regulator
	LM317LIBP	918Kb/16P	3-Terminal Adjustable Regulator
	LM317LIBP	442Kb/17P	3-Terminal Adjustable Regulator
	LM317LIBPX	442Kb/17P	3-Terminal Adjustable Regulator
	LM317LIBPX	918Kb/16P	3-Terminal Adjustable Regulator
	LM317LM	918Kb/16P	3-Terminal Adjustable Regulator
	LM317LM	442Kb/17P	3-Terminal Adjustable Regulator
	LM317LZ	442Kb/17P	3-Terminal Adjustable Regulator
	LM317LZ	918Kb/16P	3-Terminal Adjustable Regulator
	LM317L	918Kb/16P	3-Terminal Adjustable Regulator
	LM317MDT	1,013Kb/28P	3-Terminal Adjustable Regulator

LM317 Datasheet, PDF [Distributor]

Distributor	Part #	Manufacturer Datasheet	Description	Buy Now
Element14	LM317K	STMICROELECTRONICS	IC, VOLT REG, 1.2V-37V, TO-3; Fixed Output Voltage Nom.:-; Adjustable Output Voltage Min:1.2V; Adjus...
	LM317P	STMICROELECTRONICS	IC, VOLTAGE REGULATOR; Fixed Output Voltage Nom.:-; Adjustable Output Voltage Min:1.2V; Adjustable O...

Brief Description of LM317

The LM317 is a widely used voltage regulator IC (integrated circuit) that provides a regulated output voltage. It is a versatile component that is capable of regulating voltage with a wide range of applications. Here are some key features and information about the LM317 voltage regulator:

Voltage Regulation: The LM317 can be used to provide a stable and adjustable output voltage. It operates as a three-terminal device with input (Vin), output (Vout), and an adjustable voltage reference (ADJ) pin.

Adjustable Output Voltage: By connecting resistors between the ADJ pin and the output, you can set the desired output voltage to a specific value within its specified range.

Output Current: The LM317 is available in different versions with varying output current ratings. Common variants include the LM317T (1.5A) and LM317L (100mA).

Input Voltage Range: The input voltage can be higher than, equal to, or slightly lower than the desired output voltage. The LM317 can handle input voltages up to 40V.

Thermal Protection: The LM317 includes thermal shutdown and current limiting features to protect against over-temperature and over-current conditions.

Applications: The LM317 is commonly used in power supply circuits, voltage regulation for amplifiers, as a variable voltage reference, and in various analog and digital circuits.

Here's a basic connection diagram for the LM317:

Connect Vin (Input Voltage) to the Vin pin.
Connect Vout (Output Voltage) to the Vout pin.
Use resistors between the ADJ pin and Vout to set the desired output voltage.

Equivalent for LM317

The LM317 is a popular adjustable voltage regulator that is commonly used in electronic circuits to provide a regulated output voltage. It is capable of supplying up to 1.5A of current and can be adjusted to provide a wide range of output voltages.

If you are looking for a replacement for the LM317, you can consider the following alternatives:

LM350: The LM350 is a similar adjustable voltage regulator that has a higher current capability compared to the LM317, with a maximum output current of 3A. It offers a wide range of adjustable output voltages and can be used as a direct replacement in many applications.

LM338: The LM338 is another adjustable voltage regulator with an even higher current rating, capable of supplying up to 5A of output current. It offers a wide range of adjustable output voltages and can be used as a replacement for the LM317 in applications that require higher current handling.

LT1083: The LT1083 is a high-current, adjustable voltage regulator with a maximum output current of 7.5A. It provides a wide range of adjustable output voltages and can be used as a replacement for the LM317 in applications that require even higher current capability.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.

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