Part Details for LM2679S-5.0/NOPB by National Semiconductor Corporation
Results Overview of LM2679S-5.0/NOPB by National Semiconductor Corporation
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (2 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.
Applications
Energy and Power Systems
Renewable Energy
Automotive
LM2679S-5.0/NOPB Information
LM2679S-5.0/NOPB by National Semiconductor Corporation is a Switching Regulator or Controller.
Switching Regulator or Controllers 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 |
|---|---|---|---|
| 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 |
Price & Stock for LM2679S-5.0/NOPB
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
70021603
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RS | Pwr Sply Func, Voltage Regulator, Buck (Step-Down),TO-263,IS 6mA, VO 5V, IIB 85nA Min Qty: 45 Package Multiple: 1 Container: Bulk | 0 |
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$6.0200 | RFQ |
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Bristol Electronics | Min Qty: 1 | 40 |
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$3.1362 / $6.7200 | Buy Now |
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Quest Components | 8.1 A SWITCHING REGULATOR, 280 KHZ SWITCHING FREQ-MAX, PSSO7 | 436 |
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$4.5000 / $9.0000 | Buy Now |
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Quest Components | 8.1 A SWITCHING REGULATOR, 280 KHZ SWITCHING FREQ-MAX, PSSO7 | 32 |
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$4.5000 / $9.0000 | Buy Now |
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Quest Components | 8.1 A SWITCHING REGULATOR, 280 KHZ SWITCHING FREQ-MAX, PSSO7 | 5 |
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$4.6575 / $9.3150 | Buy Now |
Part Details for LM2679S-5.0/NOPB
LM2679S-5.0/NOPB CAD Models
LM2679S-5.0/NOPB Part Data Attributes
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LM2679S-5.0/NOPB
National Semiconductor Corporation
Buy Now
Datasheet
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LM2679S-5.0/NOPB
National Semiconductor Corporation
IC 8.1 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PSSO7, TO-263, 7 PIN, Switching Regulator or Controller
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| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | NATIONAL SEMICONDUCTOR CORP | |
| Package Description | TO-263, 7 PIN | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | VOLTAGE-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 40 V | |
| Input Voltage-Min | 8 V | |
| Input Voltage-Nom | 12 V | |
| JESD-30 Code | R-PSSO-G7 | |
| JESD-609 Code | e3 | |
| Length | 10.16 mm | |
| Moisture Sensitivity Level | 3 | |
| Number of Functions | 1 | |
| Number of Terminals | 7 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 8.1 A | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | TO-263 | |
| Package Equivalence Code | SMSIP7H,.55,50TB | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 245 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 4.79 mm | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK | |
| Switching Frequency-Max | 280 kHz | |
| Temperature Grade | AUTOMOTIVE | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | SINGLE | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 8.64 mm |
Alternate Parts for LM2679S-5.0/NOPB
This table gives cross-reference parts and alternative options found for LM2679S-5.0/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 LM2679S-5.0/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 |
|---|---|---|---|---|
| LM2679SX-5.0/NOPB | National Semiconductor Corporation | Check for Price | IC SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PSSO7, POWER, TO-263, SMT-7, Switching Regulator or Controller | LM2679S-5.0/NOPB vs LM2679SX-5.0/NOPB |
| LM2679S-5.0 | National Semiconductor Corporation | Check for Price | IC 8.1 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PSSO7, TO-263, 7 PIN, Switching Regulator or Controller | LM2679S-5.0/NOPB vs LM2679S-5.0 |
LM2679S-5.0/NOPB Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LM2679S-5.0/NOPB is 40V, but it's recommended to keep it below 30V for reliable operation.
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The LM2679S-5.0/NOPB 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 output voltage, make sure to use a suitable output capacitor with a low ESR (Equivalent Series Resistance) and a minimum capacitance of 22uF. You can also add a 10nF ceramic capacitor in parallel with the output capacitor to improve stability.
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Yes, the LM2679S-5.0/NOPB is a switching regulator, and it's designed for use in switching mode power supplies. However, you need to ensure that the input voltage, output voltage, and switching frequency are within the recommended specifications.
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The power dissipation of the LM2679S-5.0/NOPB can be calculated using the formula: Pd = (Vin - Vout) x Iout x Efficiency. You can use the efficiency graph in the datasheet to estimate the efficiency of the regulator.