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Match, Like  LM317(36) LM3171(1) LM317A(5) LM317B(1) LM317E(1) LM317F(2) LM317H(8) LM317J(1) LM317K(8) LM317L(20) LM317M(15) LM317P(4) LM317S(5) LM317T(22) LM317Z(1)
Start with  LM317*(909) LM317-*(12) LM317A*(117) LM317B*(25) LM317C*(2) LM317D*(41) LM317E*(21) LM317F*(1) LM317G*(28) LM317H*(28) LM317J*(1) LM317K*(64) LM317L*(220) LM317M*(215) LM317P*(1) LM317S*(15) LM317T*(24)
End  *LM317(19) *-LM317(1) *CLM317(1) *ELM317(4) *JLM317(4) *LLM317(5) *ULM317(4)
Included  *LM317*(14)
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LM317 Datasheet, PDF

Search Partnumber : Match&Start with "LM317" - Total : 954 ( 1/48 Page)
ManufacturerPart #DatasheetDescription
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ARTSCHIP ELECTRONICS CO...
LM317 ARTSCHIP-LM317 Datasheet
963Kb/7P
   Low Voltage Audio Power Amplifier
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List of Unclassifed Man...
LM317 ETC2-LM317 Datasheet
281Kb/4P
   3-TERMINAL 1A POSITIVE ADJUSTABLE VOLTAGE REGULATOR
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ON Semiconductor
LM317 ONSEMI-LM317 Datasheet
208Kb/12P
   1.5 A Adjustable Output, Positive Voltage Regulator
April, 2013 ??Rev. 13
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Tiger Electronic Co.,Lt...
LM317 TGS-LM317 Datasheet
157Kb/3P
   3-Terminal Positive Adjustable Regulator
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ON Semiconductor
LM317 ONSEMI-LM317 Datasheet
132Kb/12P
   1.5 A Adjustable Output, Positive Voltage Regulator
January, 2002 ??Rev. 3
logo
List of Unclassifed Man...
LM317 ETC2-LM317 Datasheet
308Kb/3P
   3-TERMINAL 1.5A POSITIVE ADJUSTABLE VOLTAGE REGULATOR
logo
E-Tech Electronics LTD
LM317 ETL-LM317 Datasheet
255Kb/5P
   HIGH CURRENT 1.3V TO 37V ADJUSTABLE VOLTAGE REGULATOR
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STMicroelectronics
LM317 STMICROELECTRONICS-LM317 Datasheet
1Mb/34P
    1.2 V to 37 V adjustable voltage regulators
Rev 22 - December 2021
LM317 STMICROELECTRONICS-LM317 Datasheet
99Kb/11P
   1.2V TO 37V VOLTAGE REGULATOR
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First Components Intern...
LM317 FCI-LM317 Datasheet
535Kb/9P
   3-Terminal Adjustable Output positive voltage Regulators
logo
Tiger Electronic Co.,Lt...
LM317 TGS-LM317 Datasheet
406Kb/7P
   HIGH CURRENT ADJUSTABLE VOLTAGE
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Guangdong Youtai Semico...
LM317 UMW-LM317 Datasheet
1Mb/7P
   This monolithic integrated circuit is an adjustable 3-terminal
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Wing Shing Computer Com...
LM317 WINGS-LM317 Datasheet
213Kb/3P
   3-TERMINAL ADJUSTABLE REGULATORS
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STMicroelectronics
LM317 STMICROELECTRONICS-LM317 Datasheet
1,023Kb/25P
   1.2 V to 37 V adjustable voltage regulators
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Texas Instruments
LM317 TI1-LM317 Datasheet
1Mb/32P
[Old version datasheet]   3-Terminal Adjustable Regulator
logo
List of Unclassifed Man...
LM317 ETC-LM317 Datasheet
202Kb/3P
   3-TERMINAL 1A POSTIVE ADJUSTABLE REGULATOR
logo
Estek Electronics Co. L...
LM317 ESTEK-LM317 Datasheet
152Kb/3P
   3 - terminal positive -voltage regulators
logo
ON Semiconductor
LM317 ONSEMI-LM317 Datasheet
127Kb/12P
   1.5 A Adjustable Output, Positive Voltage Regulator
January, 2016 ??Rev. 14
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Texas Instruments
LM317 TI-LM317 Datasheet
154Kb/10P
[Old version datasheet]   3-TERMINAL ADJUSTABLE REGULATOR

12 3 4 5 6 7 8 9 10 .....


12 3 4 5 .....


LM317 Datasheet, PDF [Old version datasheet]

ManufacturerPart #DatasheetDescription
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National Semiconductor ...
LM317
645Kb/25P
3-Terminal Adjustable Regulator


LM317 Distributor

DistributorPart #ManufacturerDescriptionPriceQty.
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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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