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LM2676S-12
Conv DC-DC 8V to 40V Step Down Single-Out 12V 3A 8-Pin(7+Tab) TO-263 Tube
LM2676S-12
Conv DC-DC 8V to 40V Step Down Single-Out 12V 3A 8-Pin(7+Tab) TO-263 Tube
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Manufacturer Part # : LM2676S-12
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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
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About After Sales Service
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Initiate the application within 90 days from the shipment date.
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LM2676S-12 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
What sets the LM2676S-12 apart is its adjustable frequency feature, allowing you to fine-tune the power supply design to suit your specific requirements. With a frequency range of up to 260 kHz, you have the flexibility to optimize performance and efficiency. Moreover, this regulator is equipped with essential protection mechanisms such as over-temperature and overcurrent protection, ensuring the safety and longevity of the device in operation
Key Features
- Faster time to market: LMR51430
- New product available: TLVM13630
- High efficiency power module design
- Wide input voltage range and adjustable output
- Ease of use with external components only
- Synchronous converter for precise control
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 |
FAQs
What is LM2676S-12?
The LM2676S-12 is a high-efficiency 3A step-down voltage regulator designed by Texas Instruments. It is specifically configured to provide a fixed 12V output voltage from a higher input voltage source. The regulator is ideal for various applications requiring a stable 12V power supply, such as automotive electronics, industrial automation, and power management systems.
How Does LM2676S-12 Work?
The LM2676S-12 operates as a step-down voltage regulator, reducing the input voltage to a stable 12V output. It utilizes a switching regulator topology to achieve high efficiency and minimal heat dissipation. The regulator features internal current limiting and thermal shutdown protection for reliable operation under various load conditions.
How Many Pins does LM2676S-12 have and What are the Functions of the Pinout Configuration?
The LM2676S-12 is housed in a 5-lead TO-263 (D2PAK) package. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- ON/OFF: On/Off control pin.
- NC: No Connection pin.
- VOUT: 12V output voltage pin.
What are the Pros and Cons of LM2676S-12?
Pros:
- Fixed Output Voltage: Provides a stable 12V output without the need for external components.
- High Efficiency: Utilizes a switching regulator design for improved efficiency and reduced heat dissipation.
- Compact Package: The TO-263 package offers a space-efficient solution for power supply applications.
- Overcurrent and Thermal Protection: Includes protection features for safe operation under fault conditions.
- Wide Input Voltage Range: Can accept a wide range of input voltages for versatility.
Cons:
- Higher Switching Frequency: May require additional filtering components for noise-sensitive applications.
- External Capacitors: Requires external capacitors for stability and performance optimization.
Are There Any Equivalents/Alternatives to LM2676S-12 for Recommendation?
- The LM2940 from Texas Instruments is a linear regulator alternative for fixed 12V output applications.
- Alternatives to the LM2676S-12 include the LM2596 from Texas Instruments and the LM7812 voltage regulator.
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