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Part Details for LM317AEMPX by Texas Instruments
Results Overview of LM317AEMPX by Texas Instruments
- Distributor Offerings: (8 listings)
- Number of FFF Equivalents: (3 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (10 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.
LM317AEMPX Information
LM317AEMPX 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.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| LM317AEMPX | Texas Instruments | 1% Accurate, 1.5A Adjustable Linear Regulator with Short Circuit Protection 4-SOT-223 | |
| LM317AEMPX/NOPB | Texas Instruments | 1% Accurate, 1.5A Adjustable Linear Regulator with Short Circuit Protection 4-SOT-223 -40 to 125 |
Price & Stock for LM317AEMPX
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Quest Components | 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO3 | 744 |
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$1.2896 / $3.4388 | Buy Now |
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Quest Components | 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO3 | 107 |
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$3.7000 / $6.0000 | Buy Now |
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Quest Components | 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO3 | 32 |
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$2.1493 / $3.4388 | Buy Now |
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ComSIT USA | AVAILABLE EU | 538 |
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RFQ | |
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DISTI #
SMC-LM317AEMPX
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Sensible Micro Corporation | AS6081 Certified Vendor, 1 Yr Warranty RoHS: Not Compliant Min Qty: 25 Lead time: 2 Weeks, 0 Days | 1434 |
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RFQ | |
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Cytech Systems Limited | IC REG LIN POS ADJ 1.5A SOT223-4 | 2000 |
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RFQ | |
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Vyrian | Regulators | 658 |
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RFQ | |
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Win Source Electronics | IC REG LINEAR ADJ 1A SOT223-4 | 52010 |
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$0.4167 / $0.5381 | Buy Now |
Part Details for LM317AEMPX
LM317AEMPX CAD Models
LM317AEMPX Part Data Attributes
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LM317AEMPX
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM317AEMPX
Texas Instruments
1.5-A, 40-V, adjustable linear voltage regulator with high-accuracy 4-SOT-223
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| Pbfree Code | Yes | |
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SOT-223 | |
| Package Description | SOT-223, 4 PIN | |
| Pin Count | 4 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Date Of Intro | 1999-05-27 | |
| 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-PDSO-G3 | |
| JESD-609 Code | e0 | |
| Length | 6.5 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 | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOT-223 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Packing Method | TR | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | |
| Seated Height-Max | 1.8 mm | |
| Surface Mount | YES | |
| Technology | BIPOLAR | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 2.3 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
| Voltage Tolerance-Max | 5% | |
| Width | 3.56 mm |
Alternate Parts for LM317AEMPX
This table gives cross-reference parts and alternative options found for LM317AEMPX. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM317AEMPX, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM317EMP/NOPB | Texas Instruments | $0.4695 | 1.5-A, 40-V, adjustable linear voltage regulator 4-SOT-223 0 to 125 | LM317AEMPX vs LM317EMP/NOPB |
| LM317EMP | Texas Instruments | Check for Price | 1.5-A, 40-V, adjustable linear voltage regulator 4-SOT-223 0 to 125 | LM317AEMPX vs LM317EMP |
| LM317AEMPX/NOPB | Texas Instruments | Check for Price | 1.5-A, 40-V, adjustable linear voltage regulator with high-accuracy 4-SOT-223 -40 to 125 | LM317AEMPX vs LM317AEMPX/NOPB |
LM317AEMPX Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LM317AEMPX is 40V. Exceeding this voltage can cause damage to the device.
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To ensure stability and prevent oscillations, a minimum output capacitance of 1uF is recommended, and the input capacitor should be at least 10uF. Additionally, the output voltage should be decoupled with a capacitor of at least 10uF.
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The LM317AEMPX requires a minimum load current of 3.5mA to regulate properly. If the load current is less than this, the output voltage may not be regulated accurately.
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No, the LM317AEMPX is designed to regulate positive voltages only. It is not suitable for regulating negative voltages.
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The output voltage of the LM317AEMPX can be adjusted by using a resistive divider network between the output and the adjust pin. The output voltage is determined by the ratio of the resistors in the divider network.