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LM2679S-ADJ/NOPB
Switching Voltage Regulators 5A STEP-DOWN VLTG REG
LM2679S-ADJ/NOPB
Switching Voltage Regulators 5A STEP-DOWN VLTG REG
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Manufacturer Part # : LM2679S-ADJ/NOPB
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Package/Case: TO263-7
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - DC DC Switching Regulators
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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
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Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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LM2679S-ADJ/NOPB DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $4.132 | $4.13 |
| 10 | $3.619 | $36.19 |
| 30 | $3.315 | $99.45 |
| 100 | $3.006 | $300.60 |
| 500 | $2.864 | $1,432.00 |
| 1000 | $2.800 | $2,800.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
The LM2679S-ADJ/NOPB is a step-down voltage regulator that provides an adjustable output voltage from 1.25V to 37V with a maximum input voltage of 40V. It has a high efficiency of up to 92% and can deliver a maximum output current of 3A. The device features a fixed frequency internal oscillator, which helps in reducing the size of external components. The LM2679S-ADJ/NOPB also incorporates thermal shutdown, current limiting, and safe area protection, ensuring reliable operation in various load conditions. It comes in a compact TO-263 surface-mount package, making it suitable for space-constrained applications. The device is designed for use in a wide range of industrial, automotive, and consumer electronic applications requiring a high-efficiency voltage regulator.
Key Features
- Rapid Charging Capability
- Effortless Temperature Monitoring
- Precision Voltage Control
- Advanced Fault Detection
- Optimized Power Delivery
- Fine-Grained Current Regulation
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Vin (min) (V) | 8 | Vin (max) (V) | 40 |
| Vout (min) (V) | 1.23 | Vout (max) (V) | 37 |
| Iout (max) (A) | 5 | Iq (typ) (mA) | 4.2 |
| Switching frequency (min) (kHz) | 260 | Switching frequency (max) (kHz) | 260 |
| Features | Adjustable current limit, Frequency synchronization, Over Current Protection | Operating temperature range (°C) | -40 to 125 |
| Rating | Catalog | Regulated outputs (#) | 1 |
| Control mode | Voltage mode | Duty cycle (max) (%) | 91 |
| Type | Converter |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LM2679S-ADJ/NOPB?
The LM2679S-ADJ/NOPB is a high-efficiency, step-down voltage regulator designed by Texas Instruments. It is capable of providing up to 5A of output current with excellent line and load regulation. The regulator is ideal for applications requiring a regulated DC voltage supply, such as power management in industrial, automotive, and telecommunications systems.
How Does LM2679S-ADJ/NOPB Work?
The LM2679S-ADJ/NOPB works by efficiently converting a higher input voltage into a regulated lower output voltage using a step-down (buck) topology. It utilizes a pulse-width modulation (PWM) control scheme to regulate the output voltage while maintaining high efficiency. The device includes integrated thermal shutdown, current limiting, and overvoltage protection for robust operation.
How Many Pins does LM2679S-ADJ/NOPB have and What are the Functions of the Pinout Configuration?
The LM2679S-ADJ/NOPB is housed in a 16-pin surface mount package. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- ON/OFF: On/Off control pin.
- SS/TR: Soft-start/Tracking pin.
- FB: Feedback pin.
- COMP: Compensation pin.
- VOUT: Output voltage pin.
- PGND: Power ground pin.
What are the Pros and Cons of LM2679S-ADJ/NOPB?
Pros:
- High Efficiency: Provides high-efficiency conversion for reduced power dissipation.
- High Current Output: Capable of delivering up to 5A of output current for demanding loads.
- Integrated Protection: Includes integrated thermal shutdown, current limiting, and overvoltage protection for reliable operation.
- Wide Input Voltage Range: Accepts a wide input voltage range for flexibility in various power supply applications.
- Compact Package: The 16-pin surface mount package offers space-efficient design.
Cons:
- External Components: May require external components such as inductors, capacitors, and resistors for proper operation and stability.
- Heat Dissipation: High-current operation may require thermal management considerations for heat dissipation.
Are There Any Equivalents/Alternatives to LM2679S-ADJ/NOPB for Recommendation?
- The LM2679SX-ADJ/NOPB is a similar variant of the LM2679 with extended temperature range.
- Alternatives to the LM2679S-ADJ/NOPB include the LM2596 from Texas Instruments and the NCV4269 from ON Semiconductor.
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