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LM2673S-ADJ/NOPB
Adjustable DC-DC converter for step-down applications, ranging from 8V to 40V input voltage and output voltage adjustable from 1
LM2673S-ADJ/NOPB
Adjustable DC-DC converter for step-down applications, ranging from 8V to 40V input voltage and output voltage adjustable from 1
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Manufacturer Part # : LM2673S-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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Service & Packaging
Service & Packaging
About After Sales Service
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Initiate the application within 90 days from the shipment date.
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LM2673S-ADJ/NOPB DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The LM2673S-ADJ/NOPB is a versatile step-down switching regulator IC that offers adjustable output voltage capabilities, making it ideal for a wide range of applications. With an input voltage range of 8V to 40V and a maximum output current of 3A, this IC provides the flexibility needed to meet specific voltage requirements in various systems. By utilizing external resistors, users can easily adjust the output voltage to suit their needs, providing a customizable solution for different projects
Key Features
- Reliable Performance Under Heavy Loads
- Programmable Current Limiting Capability
- Easy Fault Detection and Isolation
Application
- Power Management
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) | 3 | Iq (typ) (mA) | 4.2 |
| Switching frequency (min) (kHz) | 260 | Switching frequency (max) (kHz) | 260 |
| Features | Enable, 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 |
Specification Comparison
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 LM2673S-ADJ/NOPB?
The LM2673S-ADJ/NOPB is a step-down voltage regulator IC (integrated circuit) manufactured by Texas Instruments. It is a versatile regulator that can deliver a fixed or adjustable output voltage with high efficiency in a compact package, making it suitable for a wide range of applications.
How Does LM2673S-ADJ/NOPB Work?
The LM2673S-ADJ/NOPB functions as a step-down (buck) voltage regulator that efficiently converts a higher input voltage to a lower output voltage. It uses pulse-width modulation (PWM) control to regulate the output voltage, allowing for high efficiency and accurate voltage regulation. The regulator is designed to handle a range of input voltages and deliver a stable output to power various electronic devices.
How Many Pins does LM2673S-ADJ/NOPB have and What are the Functions of the Pinout Configuration?
The LM2673S-ADJ/NOPB is available in a TO-263 package with 5 pins. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- FB: Feedback pin for adjusting the output voltage.
- ON/OFF: On/Off control pin to enable or disable the regulator.
- VOUT: Output voltage pin.
What are the Pros and Cons of LM2673S-ADJ/NOPB?
Pros:
- High Efficiency: Provides efficient voltage conversion, reducing power loss.
- Compact Package: TO-263 package offers space-saving design for applications with limited board space.
- Adjustable Output: Ability to generate both fixed and adjustable output voltages.
- Wide Input Voltage Range: Suitable for various input voltage levels.
- Overcurrent Protection: Includes overcurrent protection to safeguard the regulator and connected devices.
Cons:
- Heat Dissipation: May require additional heat sinking for high current applications.
- Noisy Output: In some designs, switching regulators like the LM2673S-ADJ/NOPB can introduce noise into sensitive circuitry.
- External Components: External capacitors and inductors may be required for proper operation.
Are There Any Equivalents/Alternatives to LM2673S-ADJ/NOPB for Recommendation?
Alternatives to the LM2673S-ADJ/NOPB include:
- LM2576 from Texas Instruments: Another step-down voltage regulator with fixed or adjustable output options.
- LM2940 from Texas Instruments: Low dropout voltage regulator suitable for low input voltages.
- LM7805 from various manufacturers: Fixed 5V voltage regulator commonly used in many applications.
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