
LM2679SX-ADJ/NOPB PMIC - Voltage Regulators - DC DC Switching Regulators by Texas Instruments
LM2679SX-ADJ/NOPB is a PMIC - Voltage Regulators - DC DC Switching Regulators from Texas Instruments in TO263 packaging. It is commonly reviewed for IC REG BUCK ADJ 5A TO263-7. This page lists current TrustCompo stock, tier pricing, package data, datasheet access, compliance attributes, Hong Kong warehouse shipping options, payment confirmation, and RFQ options for buyers verifying this exact ordering code.
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Key specifications
- Part Number
LM2679SX-ADJ/NOPB
- Internal code
TCE000118325
- Package
TO263
- Manufacturer
- Texas Instruments
Key specifications
- Series
SIMPLE SWITCHER®
- Min Quantity
1
- Category
- Integrated Circuits (ICs)
- Description
IC REG BUCK ADJ 5A TO263-7
- key Attributes
-
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RFQ checklist
Order process
Confirm the core buying details for LM2679SX-ADJ/NOPB before RFQ, PO release, and shipment planning.
- 1
Confirm MPN
Use the exact part number, manufacturer, package, and approval constraints in the RFQ.
- 2
Check stock and price
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- 3
Align documents
Confirm datasheet, CoC, traceability, lifecycle notes, and inspection scope when required.
- 4
Arrange shipment
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Before PO release
Part confirmation
- Exact MPN confirmed: LM2679SX-ADJ/NOPB
- Package to verify: TO263
Commercial confirmation
- Live stock and lead time confirmed by RFQ
- Final price and tax terms confirmed before PO release
Fulfillment & documents
- Ship-from location: Hong Kong warehouse
- Shipping method: DHL, FedEx, UPS, or buyer forwarder account
Product overview
Product overview
Review the sourcing context for LM2679SX-ADJ/NOPB from Texas Instruments, including product identity, application fit, package notes, and purchasing considerations.
The LM2679SX-ADJ/NOPB is a versatile and efficient step-down (buck) voltage regulator manufactured by Texas Instruments. This device is designed to provide a stable output voltage from a higher input voltage, making it ideal for a variety of applications, including power management in portable devices, automotive systems, and industrial equipment.
Key Features:
- Adjustable Output Voltage: The LM2679SX-ADJ/NOPB allows for an adjustable output voltage ranging from 1.23V to 37V, enabling it to cater to different voltage requirements in various applications.
- High Efficiency: With a typical efficiency of up to 90%, this regulator minimizes power loss and heat generation, which is crucial for battery-powered devices and applications where thermal management is a concern.
- Wide Input Voltage Range: The device can accept input voltages from 8V to 40V, providing flexibility in design and allowing it to be used in systems powered by different voltage sources.
- Output Current Capability: The LM2679 can deliver up to 3A of output current, making it suitable for powering a range of loads, from microcontrollers to larger peripherals.
- Integrated Protection Features: It includes built-in features such as thermal shutdown and current limiting, which enhance the reliability and safety of the device during operation.
- Simple Design: The LM2679SX-ADJ/NOPB is designed for ease of use, requiring minimal external components for operation. This simplifies the design process and reduces the overall footprint of the circuit.
- Package Type: The device is available in a surface-mount package (SOT-223), which is compact and suitable for modern PCB designs, allowing for efficient use of space.
- Operating Temperature Range: It operates effectively over a wide temperature range, typically from -40°C to +125°C, making it suitable for both consumer and industrial applications.
Applications:
- Power Supply for Microcontrollers: Ideal for providing regulated power to microcontrollers and digital signal processors in embedded systems.
- Battery-Powered Devices: Its high efficiency and adjustable output make it suitable for battery-operated devices, extending battery life.
- Automotive Electronics: Can be used in automotive applications where stable voltage regulation is critical for the operation of various electronic components.
- Industrial Equipment: Suitable for powering sensors, actuators, and other devices in industrial automation systems.
Conclusion:
The LM2679SX-ADJ/NOPB from Texas Instruments is a robust and efficient voltage regulator that offers flexibility and reliability for a wide range of applications. Its adjustable output, high efficiency, and integrated protection features make it a popular choice among engineers and designers looking to implement effective power management solutions in their projects.
Technical parameters
Parameters
Compare grouped LM2679SX-ADJ/NOPB parameters from Texas Instruments, including package, series, key attributes, and technical values used for engineering and sourcing review.
Product Parameter
Output Configuration
Positive
Product Parameter
Control Technique
PULSE WIDTH MODULATION
Product Parameter
Control Mode
VOLTAGE-MODE
Product Parameter
Analog IC - Other Type
SWITCHING REGULATOR
Product Parameter
Topology
Buck
Product Parameter
Function
Step-Down
| Parameter | Value |
|---|---|
Output Configuration Specifies the topology of the output stage, such as push-pull, open collector, or half-bridge. This determines how the device drives loads and interfaces with external circuitry. Verify against the datasheet to ensure compatibility with your application's requirements. | Positive |
Control Technique Specifies the switching regulator control method, such as PWM, PFM, or burst mode. This affects efficiency, noise, and transient response. Engineers should verify the technique against the datasheet to ensure it matches the application's power requirements and EMI constraints. | PULSE WIDTH MODULATION |
Control Mode Defines the control method used by a power management IC, such as voltage mode, current mode, or hysteretic. This affects transient response, stability, and external component selection. Ensure the mode matches your application's performance needs. | VOLTAGE-MODE |
Analog IC - Other Type Select this category when the analog integrated circuit does not fit standard classifications like op-amps, comparators, or regulators. Verify the exact function and pinout in the datasheet to ensure compatibility with your circuit design and performance requirements. | SWITCHING REGULATOR |
Topology Specifies the internal circuit architecture of the power converter, such as flyback, forward, or buck. This determines efficiency, isolation, and component stress. Engineers must verify topology against the datasheet to ensure it matches the intended application and operating conditions. | Buck |
Function Specifies the logical or operational function of the component, such as switching, amplification, or regulation. This attribute helps identify the device's role in a circuit. Verify the function against the datasheet to ensure it matches your application requirements. | Step-Down |
Input Voltage (Min) Specifies the lowest input voltage at which the component operates reliably. Check this against your power supply design to ensure the device starts and functions within its specified range. Critical for DC-DC converters, regulators, and modules. | 8V |
Max Duty Cycle Specifies the highest proportion of time the output remains active within a switching period. Compare this limit when selecting power controllers or drivers to ensure stable operation and avoid excessive heat. Verify against the datasheet for your operating conditions. | 91 % |
Frequency - Switching Indicates the switching frequency of a power converter or regulator. Higher frequencies allow smaller magnetics but may increase losses. Compare with your design's efficiency and EMI requirements, and verify the actual range in the datasheet. | 260kHz |
| Parameter | Value |
|---|---|
JESD-609 Code This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning. | e3 |
RoHS Status Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details. | ROHS3 Compliant |
HTSUS Harmonized Tariff Schedule of the United States code for customs classification. Essential for import/export documentation and duty calculation. Verify the correct code with a trade specialist to avoid customs delays. | 8542.39.0001 |
Moisture Sensitivity Level (MSL) Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions. | 3 (168 Hours) |
ECCN Code Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally. | EAR99 |
| Parameter | Value |
|---|---|
Part Status Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status. | Active |
REACH Status Shows whether the component complies with the EU REACH regulation. Essential for legal market access in Europe. Check the manufacturer's latest statement to confirm that no substances of very high concern are present above the threshold. | REACH Unaffected |
ECCN Export Control Classification Number assigned by the U.S. government. Determines whether the component requires an export license. Essential for international trade compliance. Verify the ECCN with the manufacturer or supplier before shipping to avoid legal issues. | EAR99 |
Lifecycle Status Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime. | ACTIVE (Last Updated: 1 day ago) |
Lead Free Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations. | Contains Lead |
Mounting Type Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements. | Surface Mount |
Factory Lead Time Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions. | 6 Weeks |
Packaging Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility. | Tape & Reel (TR) |
Categories Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class. | Integrated Circuits (ICs) |
Terminal Form Describes the physical configuration of the component's leads or pads, such as through-hole, surface mount, or gull-wing. This affects PCB layout, soldering process, and mechanical fit. Confirm compatibility with your assembly method and footprint. | GULL WING |
Manufacturer Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts. | Texas |
Operating Temperature Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings. | -40°C~125°C TJ |
Peak Reflow Temperature (Cel) Maximum temperature during reflow soldering that the component can withstand. This is critical for solder joint reliability and preventing damage. Verify that the peak reflow temperature is compatible with your soldering profile and the component's moisture sensitivity level. | 245 |
Nominal Supply Current Typical current drawn from the supply under nominal operating conditions. Compare this value across similar components to estimate power consumption and thermal behavior. Always verify against the datasheet for your specific voltage and load conditions. | 4.2mA |
Output Type Specifies the electrical form of the output signal, such as digital, analog, or open collector. This determines how the component interfaces with your circuit. Verify the output type against your system requirements and the datasheet to ensure proper signal compatibility and avoid logic level mismatches. | Adjustable |
Series Indicates the product series or family, grouping components with similar design and specifications. Helps identify compatible parts and compare within a product line. Verify the series against the datasheet to ensure correct application. | SIMPLE SWITCHER® |
Contact Plating Specifies the metal coating applied to the contact surfaces of connectors, switches, or relays. This finish affects conductivity, corrosion resistance, and durability. Engineers should verify the plating material and thickness against the datasheet to ensure reliable performance in the intended environment. | Tin |
Mounting Type Specifies how the component attaches to the PCB or assembly, such as surface mount, through-hole, or chassis mount. This affects soldering process, mechanical stability, and thermal performance. Verify compatibility with your board layout and assembly capabilities. | Surface Mount |
Pb-Free Code Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance. | yes |
Terminal Position Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line. | SINGLE |
Number Of Outputs Specifies how many independent output channels the component provides. Compare this when selecting power supplies, drivers, or modules to ensure the device can drive all required loads. Always verify against the datasheet for exact output configuration. | 1 |
Length Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design. | 10.1mm |
Number Of Pins Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection. | 7 |
Minimum Supply Voltage Specifies the lowest DC input voltage at which the component reliably operates. Compare this value with your system's power rail tolerances and the device's recommended operating conditions to ensure stable performance across all load and temperature ranges. | 8V |
Width Physical width of the component body, typically in millimeters. Essential for PCB footprint design and mechanical fit. Verify against the datasheet to ensure proper clearance and compatibility with your board layout and enclosure. | 8.89mm |
Max Supply Voltage Indicates the highest DC or AC voltage that can be safely applied to the power supply pin without risking damage or malfunction. Verify this limit against the datasheet before designing your circuit to ensure reliable operation under all conditions. | 40V |
Max Junction Temperature (Tj) Specifies the highest temperature the semiconductor junction can sustain without damage or degradation. Compare this limit with your operating conditions and thermal management to ensure reliable performance. Verify against the datasheet for derating curves and long-term reliability. | 125°C |
Number Of Terminations Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity. | 7 |
Output Voltage Specifies the regulated voltage level available at the output pin under specified load and input conditions. Compare this value with your circuit requirements and verify against the datasheet's tolerance and temperature derating. | 37V |
Synchronous Rectifier Indicates whether the device uses synchronous rectification to improve efficiency by replacing diodes with low-resistance MOSFETs. Check this attribute when comparing power supply designs, as it affects thermal performance and conversion losses. Verify against the datasheet for the specific topology. | No |
Package / Case Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility. | TO-263-8, D2Pak (7 Leads + Tab), TO-263CA |
Height Physical height of the component, measured from the mounting surface to the topmost point. This dimension is critical for clearance in compact assemblies and for ensuring proper fit within enclosures. Always verify against the datasheet for tolerance and mounting considerations. | 4.65mm |
Thickness Thickness of the component, a critical dimension for PCB clearance, enclosure fit, and thermal performance. This measurement is especially important for capacitors, inductors, and connectors. Ensure the thickness meets your design constraints and does not interfere with adjacent components. Check the datasheet for tolerance and recommended mounting height. | 4.44mm |
Operating Supply Voltage Specifies the voltage range within which the component operates correctly. Check the datasheet to ensure your power supply meets the minimum and maximum limits, as exceeding them can damage the device or cause malfunction. | 40V |
Quiescent Current Quiescent current is the current drawn by the device when it is in standby or no-load condition. It affects battery life in portable applications. Compare this value across similar components to ensure low power consumption. Always verify against the datasheet for your specific operating conditions. | 4.2mA |
Voltage - Output (Max) Specifies the highest output voltage the component can provide under specified conditions. Compare this value with your circuit requirements to ensure compatibility. Always verify against the datasheet for exact limits and tolerances. | 37V |
Max Output Current Specifies the highest continuous current the device can supply at its output without exceeding thermal or electrical limits. Compare this value with your load requirements and derating curves. Always verify against the datasheet for your operating conditions. | 5A |
Sub-Categories Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application. | PMIC - Voltage Regulators - DC DC Switching Regulators |
Efficiency Efficiency indicates how effectively a power component converts input power into useful output power, expressed as a percentage. Higher efficiency means less energy lost as heat, which is critical for thermal management and system reliability. Always verify the efficiency curve in the datasheet under your operating conditions. | 84 % |
Voltage - Output (Min/Fixed) Specifies the minimum or fixed output voltage of a power supply or regulator. Compare this value with your required rail voltage and check the datasheet for accuracy under load conditions. | 1.21V |
Manufacturer'S Part No. The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation. | LM2679SX-ADJ/NOPB |
Base Part Number Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in. | LM2679 |
Notice documents
PCN / product notice documents
No public PCN / PDN records currently displayed
No public product notice document is currently displayed for LM2679SX-ADJ/NOPB. Confirm PCN, PDN, EOL, date code, and lifecycle status during RFQ before production purchase.
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Common questions
Product FAQ
Targeted answers for buyers verifying the exact LM2679SX-ADJ/NOPB ordering code, packaging, stock, datasheet, and replacement path.
What does LM2679SX-ADJ/NOPB mean?
LM2679SX-ADJ/NOPB is the exact ordering code listed for a PMIC - Voltage Regulators - DC DC Switching Regulators component from Texas Instruments. The current package reference is TO263, with listed context including IC REG BUCK ADJ 5A TO263-7. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.
How should buyers verify the LM2679SX-ADJ/NOPB ordering code?
Treat LM2679SX-ADJ/NOPB as the full ordering code during RFQ and engineering review. Confirm the listed TO263 package, manufacturer documentation from Texas Instruments, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.
What package is LM2679SX-ADJ/NOPB supplied in?
LM2679SX-ADJ/NOPB is currently listed with package reference TO263 from Texas Instruments. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.
Is LM2679SX-ADJ/NOPB currently available?
LM2679SX-ADJ/NOPB is currently marked with stock availability on this page. Before ordering, confirm the package (TO263), listed stock (25038), available quantity (25038), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.
Where can I compare LM2679SX-ADJ/NOPB alternatives?
A mapped alternative list is not currently published for LM2679SX-ADJ/NOPB. Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.





