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Part Details for LM317EMPX/NOPB by Texas Instruments
Results Overview of LM317EMPX/NOPB by Texas Instruments
- Distributor Offerings: (11 listings)
- Number of FFF Equivalents: (6 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.
LM317EMPX/NOPB Information
LM317EMPX/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.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| LM317EMPX/NOPB | Texas Instruments | 1.5-A adjustable output linear regulator 4-SOT-223 0 to 125 | |
| LM339N/NOPB | Texas Instruments | Low Power Low Offset Voltage Quad Comparator 14-PDIP 0 to 70 | |
| LF353MX/NOPB | Texas Instruments | Wide Bandwidth Dual JFET Input Operational Amplifier 8-SOIC 0 to 70 |
Price & Stock for LM317EMPX/NOPB
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
33AH4146
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Newark | Linear Volt Reg, 1.2-37V, 1.5A, Sot223-4 Rohs Compliant: Yes |Texas Instruments LM317EMPX/NOPB RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Cut Tape | 3 |
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$1.2500 / $1.6200 | Buy Now |
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DISTI #
LM317EMPX/NOPBCT-ND
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DigiKey | IC REG LIN POS ADJ 1.5A SOT223-4 Min Qty: 1 Lead time: 6 Weeks Container: Digi-Reel®, Tape & Reel (TR), Cut Tape (CT) |
9297 In Stock |
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$0.5568 / $1.2100 | Buy Now |
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DISTI #
926-LM317EMPX/NOPB
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Mouser Electronics | Linear Voltage Regulators 3-TERMINAL ADJ REG A 926-LM317EMP/NOPB RoHS: Compliant | 9546 |
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$0.5610 / $1.2100 | Buy Now |
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DISTI #
J56:1989_00063556
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Arrow Electronics | Standard Regulator Pos 1.25V to 37V 1.5A 4-Pin(3+Tab) SOT-223 T/R RoHS: Compliant Min Qty: 2000 Package Multiple: 2000 Lead time: 6 Weeks Date Code: 2511 | Europe - 32000 |
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$0.5556 | Buy Now |
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DISTI #
V72:2272_07271225
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Arrow Electronics | Standard Regulator Pos 1.25V to 37V 1.5A 4-Pin(3+Tab) SOT-223 T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 6 Weeks Date Code: 2349 Container: Cut Strips | Americas - 1917 |
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$0.5556 / $1.1902 | Buy Now |
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DISTI #
86310494
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Verical | Standard Regulator Pos 1.25V to 37V 1.5A 4-Pin(3+Tab) SOT-223 T/R RoHS: Compliant Min Qty: 12 Package Multiple: 1 Date Code: 2349 | Americas - 1917 |
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$0.5556 / $0.8573 | Buy Now |
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Chip 1 Exchange | INSTOCK | 2980 |
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RFQ | |
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DISTI #
LM317EMPX/NOPB
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Chip One Stop | Semiconductors RoHS: Compliant pbFree: Yes Min Qty: 1 Lead time: 0 Weeks, 1 Days Container: Cut Tape | 1975 |
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$0.6510 / $1.1400 | Buy Now |
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New Advantage Corporation | IC-317 V.REG LDO ADJ 1.5A SOT223 TI RoHS: Compliant Min Qty: 1 Package Multiple: 100 | 1877 |
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$1.5700 / $1.7000 | Buy Now |
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Vyrian | Regulators | 24430 |
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RFQ |
Part Details for LM317EMPX/NOPB
LM317EMPX/NOPB CAD Models
LM317EMPX/NOPB Part Data Attributes
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LM317EMPX/NOPB
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM317EMPX/NOPB
Texas Instruments
1.5-A, 40-V, adjustable linear voltage regulator 4-SOT-223 0 to 125
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SOT-223 | |
| Package Description | GREEN, SOT-223, 4 PIN | |
| Pin Count | 4 | |
| Reach Compliance Code | 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-PDSO-G4 | |
| JESD-609 Code | e3 | |
| Length | 6.5 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 4 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | ||
| 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 Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| 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 | Matte Tin (Sn) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 2.3 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Voltage Tolerance-Max | 5% | |
| Width | 3.56 mm |
Alternate Parts for LM317EMPX/NOPB
This table gives cross-reference parts and alternative options found for LM317EMPX/NOPB. 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 LM317EMPX/NOPB, 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 | National Semiconductor Corporation | Check for Price | IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO4, ROHS COMPLIANT, SOT-223, 4 PIN, Adjustable Positive Single Output Standard Regulator | LM317EMPX/NOPB vs LM317EMP/NOPB |
| LM317EMPX/NOPB | Rochester Electronics LLC | Check for Price | 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PDSO4, ROHS COMPLIANT, SOT-223, 4 PIN | LM317EMPX/NOPB vs LM317EMPX/NOPB |
| LM317EMPX | National Semiconductor Corporation | Check for Price | IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO3, SOT-223, 4 PIN, Adjustable Positive Single Output Standard Regulator | LM317EMPX/NOPB vs LM317EMPX |
| LM317AEMPX | Rochester Electronics LLC | Check for Price | 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PDSO3, SOT-223, 4 PIN | LM317EMPX/NOPB vs LM317AEMPX |
| LM317AEMPX | Texas Instruments | Check for Price | 1.5-A, 40-V, adjustable linear voltage regulator with high-accuracy 4-SOT-223 | LM317EMPX/NOPB vs LM317AEMPX |
| LM317AEMP | National Semiconductor Corporation | Check for Price | IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO3, SOT-223, 4 PIN, Adjustable Positive Single Output Standard Regulator | LM317EMPX/NOPB vs LM317AEMP |
LM317EMPX/NOPB Frequently Asked Questions (FAQ)
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The maximum input voltage for the LM317 is 40V, but it's recommended to keep it below 35V for reliable operation.
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The output voltage of the LM317 can be adjusted by using a resistive 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 minimum input voltage required for the LM317 to regulate the output voltage is 3V above the desired output voltage.
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Yes, the LM317 can be used as a current regulator by adding a current-sensing resistor in series with the output. The current limit is determined by the voltage drop across the resistor.
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To protect the LM317 from overheating, ensure good heat sinking, use a heat sink with a thermal resistance of less than 10°C/W, and keep the device within its recommended operating temperature range.