SG7905T

Product Overview

Category

SG7905T belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

• Voltage regulation: SG7905T ensures a stable output voltage regardless of input fluctuations.
• Efficiency: It operates with high efficiency, minimizing power loss.
• Temperature stability: The device maintains its performance even under varying temperature conditions.

Package

SG7905T comes in a compact TO-220 package, which facilitates easy installation and heat dissipation.

Essence

The essence of SG7905T lies in its ability to provide reliable voltage regulation, ensuring the smooth operation of electronic devices.

Packaging/Quantity

Each package of SG7905T contains one voltage regulator.

Specifications

• Input voltage range: -7V to -25V
• Output voltage: -5V
• Maximum output current: 1A
• Dropout voltage: 2V (maximum)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

SG7905T has three pins:

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

Functional Features

• Voltage regulation: SG7905T maintains a constant output voltage of -5V, compensating for input voltage variations.
• Short-circuit protection: The device includes built-in protection against short circuits, preventing damage to the circuitry.
• Thermal shutdown: In case of excessive temperature, SG7905T shuts down to protect itself from overheating.

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• High efficiency
• Compact package for easy installation
• Built-in short-circuit protection

Disadvantages

• Limited output current capacity (1A maximum)
• Dropout voltage of 2V may affect performance in low input voltage scenarios

Working Principles

SG7905T operates based on the principle of linear voltage regulation. It uses a series pass transistor to regulate the output voltage by adjusting the current flow through it. The device compares the output voltage with a reference voltage and adjusts the current accordingly to maintain a stable output.

Detailed Application Field Plans

SG7905T finds applications in various electronic devices and circuits, including: - Power supplies - Audio amplifiers - Industrial control systems - Automotive electronics - Battery charging circuits

Detailed and Complete Alternative Models

Some alternative models that can be used as substitutes for SG7905T are: - LM7905: A popular voltage regulator with similar specifications. - MC7905: Another widely used voltage regulator offering comparable performance. - UA7905: An alternative option with compatible pin configuration and characteristics.

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