SG7912AG-DESC

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Input Voltage Range: -35V to -12.5V - Output Voltage: -12V - Output Current: 1A - Dropout Voltage: 2V - Operating Temperature Range: -40°C to +125°C - Package Type: TO-220 - Mounting Style: Through Hole - Lead Free Status: Lead-Free - RoHS Compliance: RoHS Compliant

Package: The SG7912AG-DESC is available in a TO-220 package, which provides excellent thermal performance and ease of mounting.

Essence: The SG7912AG-DESC is an integrated circuit voltage regulator designed to provide a stable -12V output voltage from a wide range of input voltages.

Packaging/Quantity: The SG7912AG-DESC is typically sold in reels or tubes containing a specified quantity of units, such as 1000 pieces per reel.

Specifications

Input Voltage Range: -35V to -12.5V
Output Voltage: -12V
Output Current: 1A
Dropout Voltage: 2V
Line Regulation: ±0.2%
Load Regulation: ±0.4%
Quiescent Current: 6mA
Ripple Rejection Ratio: 60dB
Thermal Resistance: 50°C/W
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The SG7912AG-DESC has three pins:

Input Pin (Pin 1): This pin is connected to the input voltage source.
Ground Pin (Pin 2): This pin is connected to the ground reference.
Output Pin (Pin 3): This pin provides the regulated -12V output voltage.

Functional Features

Voltage Regulation: The SG7912AG-DESC ensures a stable -12V output voltage regardless of variations in the input voltage.
Overcurrent Protection: The IC incorporates overcurrent protection to safeguard against excessive load currents.
Thermal Shutdown: In case of excessive temperature, the IC automatically shuts down to prevent damage.
Short Circuit Protection: The SG7912AG-DESC includes short circuit protection to prevent damage due to output short circuits.

Advantages and Disadvantages

Advantages: - Wide input voltage range - Stable output voltage - Overcurrent and short circuit protection - Thermal shutdown feature - RoHS compliant

Disadvantages: - Dropout voltage of 2V may limit its use in low voltage applications - Quiescent current of 6mA may not be suitable for power-sensitive applications

Working Principles

The SG7912AG-DESC is a negative voltage regulator that utilizes a series pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage to adjust the pass transistor's resistance, thereby maintaining a constant -12V output voltage.

Detailed Application Field Plans

The SG7912AG-DESC is commonly used in various electronic devices and systems, including: - Power supplies - Industrial control systems - Automotive electronics - Audio amplifiers - Instrumentation equipment

Detailed and Complete Alternative Models

LM7912: Similar specifications and functionality, available in TO-220 package.
MC7912: Comparable performance, available in TO-220 package.
UA7912: Equivalent characteristics, offered in TO-220 package.

These alternative models can be considered as replacements for the SG7912AG-DESC based on their similar features and compatibility.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SG7912AG-DESC v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SG7912AG-DESC in technical solutions:

Q: What is SG7912AG-DESC? A: SG7912AG-DESC is a specific model or variant of a technical component, but without more context, it's difficult to provide a specific answer.
Q: What are the key features of SG7912AG-DESC? A: The key features of SG7912AG-DESC depend on its specifications and intended use. Please provide more details for a specific answer.
Q: How can SG7912AG-DESC be used in technical solutions? A: SG7912AG-DESC can be used in various technical solutions depending on its capabilities. It could be used as a power regulator, voltage converter, or in other applications where its specifications match the requirements.
Q: What is the voltage range supported by SG7912AG-DESC? A: The voltage range supported by SG7912AG-DESC depends on its specifications. Please refer to the datasheet or product documentation for accurate information.
Q: Can SG7912AG-DESC be used in high-temperature environments? A: The suitability of SG7912AG-DESC for high-temperature environments depends on its temperature rating. Check the datasheet or consult the manufacturer for specific details.
Q: Is SG7912AG-DESC compatible with other components or systems? A: Compatibility with other components or systems depends on the interface and electrical characteristics of SG7912AG-DESC. Consult the datasheet or manufacturer for compatibility information.
Q: What is the maximum current output of SG7912AG-DESC? A: The maximum current output of SG7912AG-DESC will be specified in its datasheet or product documentation. Please refer to those resources for accurate information.
Q: Can SG7912AG-DESC be used in automotive applications? A: The suitability of SG7912AG-DESC for automotive applications depends on its specifications and certifications. Check the datasheet or consult the manufacturer for specific details.
Q: Are there any known limitations or considerations when using SG7912AG-DESC? A: It's important to review the datasheet and application notes provided by the manufacturer for any known limitations or considerations when using SG7912AG-DESC in technical solutions.
Q: Where can I purchase SG7912AG-DESC? A: SG7912AG-DESC can be purchased from authorized distributors or directly from the manufacturer. Check their official website or contact them for purchasing information.

Please note that the answers provided above are general and may vary depending on the specific model and manufacturer of SG7912AG-DESC.