LM3402MR/NOPB

Product Overview

Category

The LM3402MR/NOPB belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is commonly used in various electronic devices and systems to efficiently regulate and control power supply.

Characteristics

• High efficiency: The LM3402MR/NOPB offers high power conversion efficiency, ensuring minimal energy loss during operation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Compact package: The LM3402MR/NOPB is available in a small form factor package, enabling space-saving designs.
• Low power consumption: This IC consumes low power, contributing to energy-efficient operation.

Package

The LM3402MR/NOPB is typically packaged in a compact and robust surface-mount package, allowing for easy integration onto circuit boards.

Essence

The essence of the LM3402MR/NOPB lies in its ability to efficiently regulate and manage power supply, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

This product is usually supplied in reels or tubes, with a typical quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 36V
• Output Voltage Range: 0.8V to 34V
• Maximum Output Current: 1.5A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM3402MR/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. EN: Enable pin
5. SW: Switch pin
6. VOUT: Output voltage pin

Functional Features

• Constant current mode: The LM3402MR/NOPB can operate in constant current mode, ensuring a stable output current regardless of load variations.
• Overcurrent protection: It incorporates overcurrent protection to safeguard the circuit and connected devices from excessive current flow.
• Thermal shutdown: This feature prevents the IC from overheating by shutting down the device when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and improved energy efficiency.
• Wide input voltage range allows for versatile applications.
• Compact package enables space-saving designs.
• Overcurrent protection ensures safe operation.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher cost compared to some alternative models.

Working Principles

The LM3402MR/NOPB operates based on the principle of pulse width modulation (PWM). It regulates the output voltage by adjusting the duty cycle of the switching signal. By rapidly switching the internal power MOSFET, it efficiently converts the input voltage into the desired output voltage with minimal energy loss.

Detailed Application Field Plans

The LM3402MR/NOPB finds application in various fields, including but not limited to: 1. LED lighting systems: It is commonly used to drive LEDs in lighting applications due to its high efficiency and precise current regulation. 2. Battery charging circuits: The LM3402MR/NOPB can be employed in battery charging circuits to efficiently control the charging process and protect the battery from overcharging. 3. Industrial automation: It is utilized in industrial automation systems to regulate power supply for various components and subsystems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM3402MR/NOPB include: - LM3404MR/NOPB - LM3406MR/NOPB - LM3410MR/NOPB - LM3414MR/NOPB

These models share comparable specifications and features, providing flexibility in choosing the most suitable option for specific applications.

In conclusion, the LM3402MR/NOPB is a highly efficient integrated circuit designed for power management applications. Its compact size, wide input voltage range, and various protective features make it a versatile choice for diverse electronic systems.