Part Details for LM340S-5.0 by National Semiconductor Corporation
Results Overview of LM340S-5.0 by National Semiconductor Corporation
- Distributor Offerings: (14 listings)
- Number of FFF Equivalents: (5 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (3 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.
LM340S-5.0 Information
LM340S-5.0 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 |
|---|---|---|---|
| LM340S-5.0 | Texas Instruments | 1.5A, Fixed Output Linear Regulator 3-DDPAK/TO-263 0 to 70 | |
| LM340SX-5.0/NOPB | Texas Instruments | 1.5A, Fixed Output Linear Regulator 3-DDPAK/TO-263 0 to 125 | |
| LM340S-12/NOPB | Texas Instruments | 1.5A, Fixed Output Linear Regulator 3-DDPAK/TO-263 0 to 125 |
Price & Stock for LM340S-5.0
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 291 |
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Bristol Electronics | 90 |
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RFQ | ||
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Bristol Electronics | 20 |
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Bristol Electronics | 4 |
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Quest Components | IC,VOLT REGULATOR,FIXED,+5V,BIPOLAR,SIP,3PIN,PLASTIC | 315 |
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$0.8000 / $2.0000 | Buy Now |
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Quest Components | IC,VOLT REGULATOR,FIXED,+5V,BIPOLAR,SIP,3PIN,PLASTIC | 232 |
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$3.2233 / $5.2269 | Buy Now |
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Quest Components | IC,VOLT REGULATOR,FIXED,+5V,BIPOLAR,SIP,3PIN,PLASTIC | 188 |
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$1.8500 / $4.0000 | Buy Now |
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Quest Components | IC,VOLT REGULATOR,FIXED,+5V,BIPOLAR,SIP,3PIN,PLASTIC | 80 |
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$2.0000 / $4.0000 | Buy Now |
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Quest Components | IC,VOLT REGULATOR,FIXED,+5V,BIPOLAR,SIP,3PIN,PLASTIC | 43 |
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$2.6135 / $5.2269 | Buy Now |
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Quest Components | IC,VOLT REGULATOR,FIXED,+5V,BIPOLAR,SIP,3PIN,PLASTIC | 36 |
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$3.4846 / $5.2269 | Buy Now |
Part Details for LM340S-5.0
LM340S-5.0 CAD Models
LM340S-5.0 Part Data Attributes
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LM340S-5.0
National Semiconductor Corporation
Buy Now
Datasheet
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Compare Parts:
LM340S-5.0
National Semiconductor Corporation
IC VREG 5 V FIXED POSITIVE REGULATOR, PSSO3, TO-263, 3 PIN, Fixed Positive Single Output Standard Regulator
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| Rohs Code | No | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | NATIONAL SEMICONDUCTOR CORP | |
| Package Description | TO-263, 3 PIN | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Adjustability | FIXED | |
| Dropout Voltage1-Nom | 2 V | |
| Input Voltage Absolute-Max | 35 V | |
| Input Voltage-Max | 25 V | |
| Input Voltage-Min | 7 V | |
| JESD-30 Code | R-PSSO-G3 | |
| JESD-609 Code | e0 | |
| Length | 10.16 mm | |
| Line Regulation-Max | 0.05% | |
| Load Regulation-Max | 0.05% | |
| Moisture Sensitivity Level | 3 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | ||
| Output Current1-Max | 1 A | |
| Output Voltage1-Max | 5.25 V | |
| Output Voltage1-Min | 4.75 V | |
| Output Voltage1-Nom | 5 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | TO-263 | |
| Package Equivalence Code | SIP3H,.55TB | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 235 | |
| Qualification Status | Not Qualified | |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR | |
| Seated Height-Max | 4.79 mm | |
| Surface Mount | YES | |
| Technology | BIPOLAR | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 2.54 mm | |
| Terminal Position | SINGLE | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Voltage Tolerance-Max | 5% | |
| Width | 8.6 mm |
Alternate Parts for LM340S-5.0
This table gives cross-reference parts and alternative options found for LM340S-5.0. 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 LM340S-5.0, 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 |
|---|---|---|---|---|
| LM340SX-5.0/NOPB | Texas Instruments | $0.8841 | 1.5-A, 35-V, linear voltage regulator 3-DDPAK/TO-263 0 to 125 | LM340S-5.0 vs LM340SX-5.0/NOPB |
| LM340S-5.0/NOPB | Texas Instruments | $1.1661 | 1.5-A, 35-V, linear voltage regulator 3-DDPAK/TO-263 0 to 125 | LM340S-5.0 vs LM340S-5.0/NOPB |
| LM340SX-5.0 | Rochester Electronics LLC | Check for Price | 5V FIXED POSITIVE REGULATOR, PSSO3, TO-263, 3 PIN | LM340S-5.0 vs LM340SX-5.0 |
| UA7805CKTER | Rochester Electronics LLC | Check for Price | 5V FIXED POSITIVE REGULATOR, PSSO3, PLASTIC, PFM-3 | LM340S-5.0 vs UA7805CKTER |
| LM340S-5.0 | Texas Instruments | Check for Price | 1.5-A, 35-V, linear voltage regulator 3-DDPAK/TO-263 0 to 70 | LM340S-5.0 vs LM340S-5.0 |
LM340S-5.0 Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LM340S-5.0 is 35V, but it's recommended to keep it below 25V for reliable operation.
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The LM340S-5.0 has a maximum operating junction temperature of 150°C, but it's recommended to keep it below 125°C for reliable operation. You can use thermal management techniques like heat sinks or thermal interfaces to reduce the junction temperature.
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To ensure the stability of the LM340S-5.0 output voltage, make sure to use a minimum output capacitance of 10uF with an ESR (Equivalent Series Resistance) of less than 5 ohms. You can also add a 1uF to 10uF ceramic capacitor at the input pin to improve stability.
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No, the LM340S-5.0 is a linear voltage regulator and is not designed for use in switching regulator applications. It's intended for use in linear power supply applications where a fixed output voltage is required.
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The power dissipation of the LM340S-5.0 can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. Make sure to keep the power dissipation below the maximum rating of 15W.