Part Details for LM317AEMPX/NOPB by National Semiconductor Corporation
Results Overview of LM317AEMPX/NOPB by National Semiconductor Corporation
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (3 replacements)
- CAD Models: (Request Part)
- 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/NOPB Information
LM317AEMPX/NOPB by National Semiconductor Corporation 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/NOPB | Texas Instruments | 1% Accurate, 1.5A Adjustable Linear Regulator with Short Circuit Protection 4-SOT-223 -40 to 125 | |
| DS96174CN/NOPB | Rochester Electronics LLC | DS96174 - Line Driver, 4 Func, 4 Driver, BIPolar, PDIP16 | |
| LM611IM/NOPB | Rochester Electronics LLC | LM611IM - Operational Amplifier, 7000uV Offset-Max, BIPolar |
Part Details for LM317AEMPX/NOPB
LM317AEMPX/NOPB CAD Models
LM317AEMPX/NOPB Part Data Attributes
|
|
LM317AEMPX/NOPB
National Semiconductor Corporation
Buy Now
Datasheet
|
Compare Parts:
LM317AEMPX/NOPB
National Semiconductor Corporation
IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO3, ROHS COMPLIANT, SOT-223, 4 PIN, Adjustable Positive Single Output Standard Regulator
|
| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | NATIONAL SEMICONDUCTOR CORP | |
| Package Description | ROHS COMPLIANT, SOT-223, 4 PIN | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Adjustability | ADJUSTABLE | |
| Dropout Voltage1-Nom | 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 | e3 | |
| 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 | |
| Output Current1-Max | 1 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 | Matte Tin (Sn) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 2.3 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 40 | |
| Width | 3.56 mm |
Alternate Parts for LM317AEMPX/NOPB
This table gives cross-reference parts and alternative options found for LM317AEMPX/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 LM317AEMPX/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 | Texas Instruments | $0.4695 | 1.5-A, 40-V, adjustable linear voltage regulator 4-SOT-223 0 to 125 | LM317AEMPX/NOPB 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/NOPB 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/NOPB vs LM317AEMPX/NOPB |
LM317AEMPX/NOPB Frequently Asked Questions (FAQ)
-
The maximum input voltage is 40V, but it's recommended to keep it below 35V for reliable operation.
-
The output voltage 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).
-
The LM317AEMPX/NOPB requires a minimum load current of 3.5mA to maintain regulation. If the load current is less than this, an additional resistor can be added to ensure proper operation.
-
The LM317AEMPX/NOPB is rated for operation up to 125°C, but the output current and voltage regulation may degrade at high temperatures. It's recommended to derate the output current and voltage according to the temperature derating curve in the datasheet.
-
A capacitor (e.g., 10uF) can be added between the input and ground to filter out voltage transients. Additionally, a voltage clamp (e.g., a zener diode) can be used to protect the regulator from high-voltage spikes.