SGR137L-EV

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High efficiency, low power consumption
Package: TO-220
Essence: Regulates voltage to ensure stable electrical output
Packaging/Quantity: Individually packaged, 1 unit per package

Specifications

• Input Voltage Range: 4.5V - 40V
• Output Voltage Range: 1.25V - 37V
• Output Current: 1.5A
• Dropout Voltage: 1.5V @ 1.5A
• Line Regulation: 0.2%
• Load Regulation: 0.4%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The SGR137L-EV voltage regulator has three pins:

1. Input (VIN): Connects to the input voltage source.
2. Ground (GND): Connected to the ground reference.
3. Output (VOUT): Provides the regulated output voltage.

Functional Features

• High efficiency: The SGR137L-EV offers high efficiency, minimizing power loss during voltage regulation.
• Low power consumption: It consumes minimal power during operation, making it suitable for energy-efficient applications.
• Overcurrent protection: The voltage regulator includes built-in overcurrent protection, safeguarding connected devices from excessive current flow.
• Thermal shutdown: In case of overheating, the regulator automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows compatibility with various power sources. - Excellent line and load regulation ensures stable output voltage. - Compact TO-220 package facilitates easy integration into electronic circuits. - Overcurrent protection and thermal shutdown enhance device safety.

Disadvantages: - Limited output current of 1.5A may not be sufficient for high-power applications. - Dropout voltage of 1.5V may result in higher power dissipation.

Working Principles

The SGR137L-EV operates on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. By adjusting the resistance of the pass transistor, it maintains a stable output voltage despite variations in the input voltage.

Detailed Application Field Plans

The SGR137L-EV is widely used in various electronic devices and systems, including:

1. Power supplies: It ensures a stable voltage supply to sensitive components, preventing damage due to voltage fluctuations.
2. Automotive electronics: The regulator is suitable for automotive applications, providing reliable voltage regulation for onboard systems.
3. Industrial control systems: It finds application in industrial automation, where precise voltage regulation is crucial for accurate operation.
4. Consumer electronics: The SGR137L-EV is commonly used in devices like routers, set-top boxes, and audio amplifiers to maintain consistent voltage levels.

Detailed and Complete Alternative Models

1. LM317: A popular alternative with similar specifications and pin configuration.
2. LT1084: Offers higher output current capability while maintaining low dropout voltage.
3. LM7805: Suitable for fixed 5V output applications, commonly used in microcontrollers and digital circuits.

Please note that the above list is not exhaustive, and there are several other alternative models available in the market.

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