LM22679TJE-ADJ/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Adjustable output voltage - High efficiency - Low dropout voltage - Overcurrent protection - Thermal shutdown protection

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

Essence: The LM22679TJE-ADJ/NOPB is a high-performance voltage regulator IC that provides an adjustable output voltage with high efficiency and low dropout voltage. It offers overcurrent and thermal shutdown protection, making it suitable for various applications.

Packaging/Quantity: The LM22679TJE-ADJ/NOPB is available in a TO-263-7 package, also known as D2PAK-7. It is typically sold in reels or tubes containing a specific quantity of ICs.

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 1.285V to 37V
• Output Current: Up to 3A
• Dropout Voltage: 0.6V (typical)
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM22679TJE-ADJ/NOPB has the following pin configuration:

___________ | | EN |1 7| VOUT FB |2 6| GND VIN|3 5| SS/TR |___________|

Functional Features

1. Adjustable Output Voltage: The LM22679TJE-ADJ/NOPB allows users to adjust the output voltage according to their requirements.
2. High Efficiency: This voltage regulator IC offers high efficiency, minimizing power losses and maximizing energy conversion.
3. Low Dropout Voltage: With a low dropout voltage of 0.6V (typical), the LM22679TJE-ADJ/NOPB can maintain a stable output even when the input voltage is close to the desired output voltage.
4. Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
5. Thermal Shutdown Protection: It includes thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages: - Adjustable output voltage provides flexibility for various applications. - High efficiency reduces power consumption. - Low dropout voltage ensures stable output even with low input voltage. - Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages: - Limited maximum output current of 3A may not be suitable for high-power applications. - The TO-263-7 package may require additional space on the PCB compared to smaller packages.

Working Principles

The LM22679TJE-ADJ/NOPB operates as a step-down (buck) voltage regulator. It takes an input voltage within the range of 4.5V to 42V and converts it to a lower, adjustable output voltage. The internal control circuitry adjusts the duty cycle of the switching transistor to regulate the output voltage. This switching operation allows for high efficiency and low dropout voltage.

Detailed Application Field Plans

The LM22679TJE-ADJ/NOPB can be used in various applications, including but not limited to: 1. Power supplies for industrial equipment 2. Automotive electronics 3. Battery-powered devices 4. Distributed power systems 5. Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM22679TJE-ADJ/NOPB include: - LM2596 - LM317 - LT1083 - TPS5430

These alternative models provide adjustable output voltage, high efficiency, and protection features. However, it is important to review their specifications and pin configurations to ensure compatibility with specific application requirements.

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