LM2675N-5.0/NOPB

Product Overview

Category

The LM2675N-5.0/NOPB belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and control the output voltage.

Characteristics

• Input Voltage Range: 8V to 40V
• Output Voltage: 5V
• Maximum Output Current: 1A
• Efficiency: Up to 92%
• Switching Frequency: 260 kHz
• Operating Temperature Range: -40°C to +125°C

Package

The LM2675N-5.0/NOPB comes in a TO-220 package, which provides thermal efficiency and easy mounting on a heat sink.

Essence

The essence of LM2675N-5.0/NOPB lies in its ability to efficiently convert higher input voltages to a regulated 5V output, making it suitable for various applications.

Packaging/Quantity

This product is typically available in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Input Voltage Range: 8V to 40V
• Output Voltage: 5V
• Maximum Output Current: 1A
• Dropout Voltage: 1.2V (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Quiescent Current: 6mA (typical)
• Switching Frequency: 260 kHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM2675N-5.0/NOPB has the following pin configuration:

```

---

| | --| Vin GND |-- --| Vout SW |-- --| FB EN |-- |___________| ```

• Vin: Input Voltage
• GND: Ground
• Vout: Output Voltage
• SW: Switching Pin
• FB: Feedback Pin
• EN: Enable Pin

Functional Features

1. Wide Input Voltage Range: The LM2675N-5.0/NOPB can accept input voltages ranging from 8V to 40V, making it suitable for a wide range of applications.
2. Efficient Conversion: With an efficiency of up to 92%, this voltage regulator minimizes power losses and maximizes energy efficiency.
3. Stable Output Voltage: The LM2675N-5.0/NOPB provides a regulated 5V output, ensuring a stable power supply for connected devices.
4. Protection Mechanisms: This product incorporates features like thermal shutdown, current limiting, and overvoltage protection, safeguarding the circuit and connected components.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile application.
• High efficiency reduces power dissipation and extends battery life.
• Compact TO-220 package facilitates easy mounting and heat dissipation.
• Protection mechanisms enhance reliability and prevent damage to the circuit.

Disadvantages

• Limited maximum output current of 1A may not be sufficient for high-power applications.
• Higher switching frequency may introduce electromagnetic interference in sensitive circuits.

Working Principles

The LM2675N-5.0/NOPB utilizes a step-down switching regulator topology to convert higher input voltages to a regulated 5V output. It employs pulse-width modulation (PWM) techniques to control the duty cycle of the internal switch, regulating the output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle accordingly to maintain a stable 5V output.

Detailed Application Field Plans

The LM2675N-5.0/NOPB finds applications in various fields, including:

1. Power Supplies: It can be used in low-power DC-DC converter circuits to provide a regulated 5V output for microcontrollers, sensors, and other electronic components.
2. Automotive Electronics: This voltage regulator is suitable for automotive applications, such as powering infotainment systems, navigation devices, and lighting modules.
3. Industrial Control Systems: It can be employed in industrial control systems to regulate power supply voltages for PLCs (Programmable Logic Controllers), motor drives, and communication modules.
4. Battery-Powered Devices: The LM2675N-5.0/NOPB's high efficiency makes it ideal for battery-powered devices, such as portable audio players, handheld instruments, and IoT devices.

Detailed and Complete Alternative Models

1. LM2675-5.0: Similar to LM2675N-5.0/NOPB but without the TO-220 package.
2. LM2596S-5.0: A popular alternative with similar specifications and pin configuration.