SG7912AIG-883B

Product Overview

Category

SG7912AIG-883B belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Voltage regulation: SG7912AIG-883B is designed to regulate and stabilize voltage levels within a specified range.
• High reliability: This IC is known for its robustness and durability, making it suitable for demanding applications.
• Wide temperature range: It can operate effectively across a wide temperature range, ensuring stability in various environments.

Package

SG7912AIG-883B comes in a compact and industry-standard package, allowing for easy integration into electronic circuit boards.

Essence

The essence of SG7912AIG-883B lies in its ability to provide precise voltage regulation, ensuring the proper functioning of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: -14V to -35V
• Output Voltage: -12V
• Output Current: 1.5A
• Dropout Voltage: 2V (maximum)
• Operating Temperature Range: -55°C to +125°C
• Package Type: TO-263

Detailed Pin Configuration

SG7912AIG-883B follows the standard pin configuration for negative voltage regulators:

1. Input Voltage (VIN): Connects to the input voltage source.
2. Ground (GND): Common ground reference for the circuit.
3. Output Voltage (VOUT): Provides the regulated -12V output voltage.

Functional Features

• Voltage Regulation: SG7912AIG-883B ensures a stable -12V output voltage regardless of input voltage fluctuations.
• Short Circuit Protection: This IC incorporates short circuit protection, safeguarding the device and connected components from damage in case of a short circuit.
• Thermal Shutdown: In the event of excessive heat, the IC automatically shuts down to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages

• High reliability and durability.
• Wide operating temperature range.
• Compact package for easy integration.
• Precise voltage regulation.

Disadvantages

• Dropout voltage of 2V may limit its use in low voltage applications.
• Limited output current of 1.5A may not be suitable for high-power devices.

Working Principles

SG7912AIG-883B operates based on the principle of linear voltage regulation. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable -12V output.

Detailed Application Field Plans

SG7912AIG-883B finds applications in various electronic devices that require a regulated -12V power supply. Some common application fields include: - Industrial automation systems - Telecommunications equipment - Power supply units - Audio amplifiers

Detailed and Complete Alternative Models

• LM7912: A widely used alternative model with similar specifications and pin configuration.
• MC7912: Another alternative model offering comparable performance and compatibility.

Note: These are just a few examples, and there are several other alternative models available in the market.

In conclusion, SG7912AIG-883B is an integrated circuit designed for precise voltage regulation in electronic devices. With its high reliability, wide temperature range, and compact package, it offers numerous advantages. However, its limitations include a dropout voltage of 2V and a limited output current of 1.5A. Nonetheless, this IC finds extensive use in various application fields such as industrial automation, telecommunications, power supply units, and audio amplifiers. Alternative models like LM7912 and MC7912 can also be considered for similar applications.