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Part Details for LM317AT/NOPB by Texas Instruments
Results Overview of LM317AT/NOPB by Texas Instruments
- Distributor Offerings: (10 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
LM317AT/NOPB Information
LM317AT/NOPB by Texas Instruments is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for LM317AT/NOPB
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
3122678
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Farnell | VOLTAGE REG, ADJ, 1.25V TO 37V, TO-220-3 RoHS: Compliant Min Qty: 1 Lead time: 7 Weeks, 1 Days Container: Each | 1761 |
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$1.2020 / $2.2513 | Buy Now |
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DISTI #
LM317AT/NOPB-ND
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DigiKey | IC REG LIN POS ADJ 1.5A TO220-3 Min Qty: 1 Lead time: 12 Weeks Container: Tube |
10878 In Stock |
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$1.0147 / $2.0300 | Buy Now |
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DISTI #
926-LM317AT/NOPB
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Mouser Electronics | Linear Voltage Regulators 3-TERMINAL ADJ REG RoHS: Compliant | 13228 |
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$1.0000 / $2.0000 | Buy Now |
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DISTI #
J56:1989_00015056
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Arrow Electronics | Standard Regulator Pos 1.2V to 37V 1.5A 3-Pin(3+Tab) TO-220 Tube Min Qty: 45 Package Multiple: 45 Lead time: 12 Weeks Date Code: 2433 | Europe - 10710 |
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$0.9377 / $1.2883 | Buy Now |
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Bristol Electronics | 43 |
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RFQ | ||
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DISTI #
LM317AT/NOPB
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TME | IC: voltage regulator, linear,adjustable, 1.2÷37V, 1.5A, TO220-3 Min Qty: 1 | 1746 |
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$0.9200 / $1.7300 | Buy Now |
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LCSC | 80dB(120Hz) 1.5A Adjustable 1.25V37V Positive electrode 40V TO-220 Voltage Regulators - Linear Low Drop Out (LDO) Regulators ROHS | 91 |
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$0.7819 / $1.2724 | Buy Now |
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New Advantage Corporation | IC REG LIN POS ADJ 1.5A TO220-3 RoHS: Compliant Min Qty: 1 Package Multiple: 100 | 377 |
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$2.4400 / $2.6500 | Buy Now |
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Vyrian | Regulators | 9159 |
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RFQ | |
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Win Source Electronics | Standard Regulator Pos 1.2V to 37V 1.5A 3-Pin(3+Tab) TO-220 Tube / IC REG LINEAR ADJ 1.5A TO220-3 | 29000 |
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$1.2513 / $1.8768 | Buy Now |
Part Details for LM317AT/NOPB
LM317AT/NOPB CAD Models
LM317AT/NOPB Part Data Attributes
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LM317AT/NOPB
Texas Instruments
Buy Now
Datasheet
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LM317AT/NOPB
Texas Instruments
1.5-A, 40-V, adjustable linear voltage regulator with high-accuracy 3-TO-220 -40 to 125
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| Pbfree Code | Yes | |
| Rohs Code | No | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SFM | |
| Package Description | ROHS COMPLIANT, PLASTIC, TO-220, 3 PIN | |
| Pin Count | 3 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Adjustability | ADJUSTABLE | |
| Dropout Voltage1-Nom | 2.25 V | |
| Input Voltage-Max | 40 V | |
| Input Voltage-Min | 3 V | |
| Input-Output Voltage Differential-Max | 40 V | |
| Input-Output Voltage Differential-Min | 3 V | |
| JESD-30 Code | R-PSFM-T3 | |
| JESD-609 Code | e3 | |
| Length | 14.986 mm | |
| Line Regulation-Max (%/V) | 0.02 | |
| Load Regulation-Max(%) | 1% | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | -40 °C | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current1-Max | 1.5 A | |
| Output Voltage1-Max | 37 V | |
| Output Voltage1-Min | 1.2 V | |
| Output Voltage1-Nom | 37 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SFM | |
| Package Equivalence Code | SIP3,.1TB | |
| Package Shape | RECTANGULAR | |
| Package Style | FLANGE MOUNT | |
| Packing Method | TUBE | |
| Qualification Status | Not Qualified | |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | |
| Seated Height-Max | 19.55 mm | |
| Surface Mount | NO | |
| Technology | BIPOLAR | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Pitch | 2.54 mm | |
| Terminal Position | SINGLE | |
| Voltage Tolerance-Max | 5% | |
| Width | 10.16 mm |
LM317AT/NOPB Frequently Asked Questions (FAQ)
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The maximum input voltage for the LM317AT is 40V, but it's recommended to keep it below 35V for reliable operation.
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The output voltage of the LM317AT can be adjusted by using a resistor divider network between the output and adjustment pins. The formula to calculate the output voltage is Vout = 1.25 x (1 + R2/R1).
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The LM317AT requires a minimum load current of 3.5mA to maintain regulation. If the load current is less than this, the output voltage may not be regulated properly.
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No, the LM317AT is designed to regulate positive voltages only. If you need a negative voltage regulator, you should use a different device, such as the LM337.
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To protect the LM317AT from overheating, ensure that it is properly heat-sinked, and that the input voltage is not excessive. You can also use a thermal shutdown circuit to turn off the regulator if it overheats.