SG7905T-883B

Product Overview

Category

SG7905T-883B belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation purposes.

Characteristics

• Voltage regulator IC
• High precision and stability
• Wide input voltage range
• Low dropout voltage
• Overcurrent and thermal protection

Package

SG7905T-883B is available in a TO-220 package, which provides excellent heat dissipation capabilities.

Essence

The essence of SG7905T-883B lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: -7V to -25V
• Output Voltage: -5V
• Output Current: 1A
• Dropout Voltage: 2V (maximum)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

SG7905T-883B has three pins:

1. Vin (Pin 1): Input voltage pin
2. GND (Pin 2): Ground pin
3. Vout (Pin 3): Output voltage pin

Functional Features

• Voltage regulation: SG7905T-883B ensures a stable output voltage of -5V regardless of input voltage fluctuations.
• Overcurrent protection: The IC automatically shuts down if the output current exceeds the specified limit, preventing damage to the device.
• Thermal protection: In case of excessive temperature rise, the IC activates thermal protection to safeguard against overheating.

Advantages and Disadvantages

Advantages

• High precision and stability ensure reliable voltage regulation.
• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage minimizes power loss.
• Overcurrent and thermal protection enhance device safety.

Disadvantages

• Limited output current capacity of 1A may not be suitable for high-power applications.
• Negative voltage output restricts its use to specific circuits requiring negative voltage regulation.

Working Principles

SG7905T-883B operates on the principle of linear voltage regulation. It utilizes a feedback mechanism to compare the output voltage with a reference voltage, adjusting the internal circuitry to maintain a constant -5V output.

Detailed Application Field Plans

SG7905T-883B finds application in various electronic devices, including: - Power supplies - Audio amplifiers - Industrial control systems - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SG7905T-883B are: - LM7905: Manufactured by Texas Instruments - MC7905: Manufactured by ON Semiconductor - UA7905: Manufactured by Fairchild Semiconductor

These alternatives can be considered based on specific requirements and availability.

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