LE79R79-2DJC

Product Overview

Category: Integrated Circuit (IC)

Use: The LE79R79-2DJC is a versatile IC primarily used in electronic devices for voltage regulation and power management. It provides efficient and reliable power supply solutions for various applications.

Characteristics: - High efficiency - Low power consumption - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: The LE79R79-2DJC is available in a compact and durable package, ensuring easy integration into electronic circuits.

Essence: This IC is designed to regulate and stabilize the voltage supplied to electronic components, ensuring their proper functioning and preventing damage due to voltage fluctuations.

Packaging/Quantity: The LE79R79-2DJC is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4.5V - 40V
• Output Voltage Range: 1.2V - 37V
• Output Current: Up to 3A
• Quiescent Current: 5mA
• Operating Temperature Range: -40°C to 85°C
• Package Type: TO-220

Detailed Pin Configuration

The LE79R79-2DJC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. ADJ: Adjustable pin for setting the output voltage

Functional Features

• Voltage Regulation: The LE79R79-2DJC ensures a stable and regulated output voltage, even when the input voltage varies.
• Overcurrent Protection: It incorporates overcurrent protection, safeguarding the connected components from excessive current flow.
• Thermal Shutdown Protection: The IC includes a thermal shutdown feature that prevents overheating by shutting down the device when the temperature exceeds a certain threshold.
• Adjustable Output Voltage: The ADJ pin allows users to adjust the output voltage according to their specific requirements.

Advantages and Disadvantages

Advantages: - High efficiency results in minimal power loss - Wide input voltage range accommodates various power sources - Compact package facilitates easy integration into electronic circuits - Overcurrent and thermal shutdown protection enhance system reliability

Disadvantages: - Limited output current capacity (up to 3A) - Requires external components for complete voltage regulation circuitry

Working Principles

The LE79R79-2DJC operates on the principle of switching voltage regulation. It utilizes an internal control circuitry to monitor the input voltage and adjust the duty cycle of an internal switch accordingly. This switching action efficiently converts the input voltage to the desired output voltage, while minimizing power loss.

Detailed Application Field Plans

The LE79R79-2DJC finds applications in various fields, including but not limited to: 1. Consumer Electronics: Power supply for smartphones, tablets, and other portable devices. 2. Automotive: Voltage regulation for automotive electronics, such as infotainment systems and lighting modules. 3. Industrial Automation: Power management for industrial control systems and machinery. 4. Telecommunications: Voltage regulation in networking equipment and communication devices.

Detailed and Complete Alternative Models

1. LM317: A widely used linear voltage regulator with adjustable output voltage.
2. LT1084: A high-current, low-dropout (LDO) voltage regulator suitable for demanding applications.
3. TPS5430: A synchronous buck converter offering high efficiency and compact size.

These alternative models provide similar functionality to the LE79R79-2DJC and can be considered as alternatives based on specific requirements.

Word count: 529 words