LM2675M-ADJ/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Adjustable output voltage - High efficiency - Low dropout voltage - Wide input voltage range - Thermal shutdown protection - Short-circuit protection

Package: TO-263-7 (D²PAK/TO-263) package

Essence: The LM2675M-ADJ/NOPB is a high-performance voltage regulator IC that provides an adjustable output voltage with high efficiency and low dropout voltage. It is commonly used in various electronic devices to regulate the voltage and ensure stable power supply.

Packaging/Quantity: The LM2675M-ADJ/NOPB is typically sold in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 8V to 40V
• Output Voltage Range: 1.2V to 37V
• Maximum Output Current: 3A
• Dropout Voltage: 1.2V (typical)
• Efficiency: Up to 92%
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM2675M-ADJ/NOPB has seven pins arranged as follows:

```

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| | --| Vout | --| | --| GND | --| | --| Vin | --| | --| FB | --|_______| ```

• Vout: Output Voltage
• GND: Ground
• Vin: Input Voltage
• FB: Feedback Pin

Functional Features

• Adjustable Output Voltage: The LM2675M-ADJ/NOPB allows the user to adjust the output voltage according to their specific requirements.
• High Efficiency: The IC offers high efficiency, minimizing power loss and maximizing energy conversion.
• Low Dropout Voltage: The low dropout voltage ensures stable operation even when the input voltage is close to the desired output voltage.
• Thermal Shutdown Protection: The IC includes a thermal shutdown feature that protects it from overheating.
• Short-Circuit Protection: It has built-in short-circuit protection to prevent damage in case of a short circuit.

Advantages and Disadvantages

Advantages: - Adjustable output voltage provides flexibility for various applications. - High efficiency results in reduced power consumption. - Wide input voltage range allows compatibility with different power sources. - Thermal shutdown and short-circuit protection enhance reliability and safety.

Disadvantages: - Limited maximum output current (3A) may not be suitable for high-power applications. - The TO-263 package may require additional cooling measures for efficient heat dissipation.

Working Principles

The LM2675M-ADJ/NOPB operates as a step-down voltage regulator. It takes an input voltage within the specified range and converts it to a lower, adjustable output voltage. The feedback pin (FB) is used to set the desired output voltage by connecting appropriate resistors. The IC uses a switching regulator topology to achieve high efficiency and low dropout voltage.

Detailed Application Field Plans

The LM2675M-ADJ/NOPB finds applications in various fields, including:

1. Power Supply Units (PSUs): It can be used in PSUs to regulate the voltage supplied to electronic devices, ensuring stable and reliable power delivery.
2. Battery Charging Systems: The IC can be employed in battery charging systems to control the charging voltage and protect the batteries from overcharging.
3. Automotive Electronics: It is suitable for automotive electronics, such as car audio systems, GPS devices, and LED lighting, where stable voltage regulation is crucial.
4. Industrial Automation: The LM2675M-ADJ/NOPB can be utilized in industrial automation systems to regulate voltages for sensors, actuators, and control circuits.

Detailed and Complete Alternative Models

1. LM2676M-ADJ/NOPB: Similar to LM2675M-ADJ/NOPB but with a higher maximum output current of 5A.
2. LM2596S-ADJ/NOPB: A non-adjustable version of the LM2675M-ADJ/NOPB with fixed output voltage options.
3. LM317T: A popular linear voltage regulator IC that provides adjustable output voltage but with lower efficiency compared to switching regulators like LM2675M-ADJ/NOPB.

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.

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