SG117AK

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics:
- High precision
- Low dropout voltage
- Adjustable output voltage
Package: TO-220
Essence: Silicon-based voltage regulator IC
Packaging/Quantity: Individually packaged, quantity per package varies

Specifications

Input Voltage Range: 4.5V to 20V
Output Voltage Range: 1.25V to 18V
Output Current: Up to 1A
Dropout Voltage: 0.5V (typical)
Line Regulation: ±0.2% (typical)
Load Regulation: ±0.4% (typical)
Quiescent Current: 5mA (typical)

Detailed Pin Configuration

The SG117AK has three pins:

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

Functional Features

High Precision: The SG117AK offers high precision voltage regulation, ensuring a stable and accurate output voltage.
Low Dropout Voltage: With a low dropout voltage of only 0.5V, the IC can regulate the output voltage even when the input voltage is close to the desired output voltage.
Adjustable Output Voltage: The output voltage can be adjusted within the specified range using external resistors.
Current Limit Protection: The IC incorporates current limit protection to prevent damage due to excessive load currents.
Thermal Shutdown: In case of excessive temperature, the IC shuts down to protect itself from overheating.

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Low dropout voltage - Adjustable output voltage - Current limit protection - Thermal shutdown protection

Disadvantages: - Limited output current capacity (up to 1A)

Working Principles

The SG117AK is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with a fraction of the output voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The SG117AK is commonly used in various electronic devices and applications, including:

Power supplies for microcontrollers and digital circuits.
Battery-powered devices requiring stable voltage levels.
Audio amplifiers and preamplifiers.
Voltage regulators for automotive electronics.
Industrial control systems.

Detailed and Complete Alternative Models

LM317: A popular alternative with similar specifications and features.
LT1084: Offers higher output current capability.
LM1117: Provides fixed output voltage options.

These alternative models can be considered based on specific requirements and application needs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SG117AK v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SG117AK in technical solutions:

Q: What is SG117AK? A: SG117AK is a specific model or type of component used in technical solutions, typically in electronic circuits.
Q: What is the purpose of SG117AK? A: The purpose of SG117AK is to regulate voltage or current in a circuit, ensuring stable and reliable operation.
Q: How does SG117AK work? A: SG117AK works by continuously monitoring the input voltage or current and adjusting its output to maintain a constant level as specified.
Q: What are the key features of SG117AK? A: Some key features of SG117AK may include high precision, low dropout voltage, thermal protection, and overcurrent protection.
Q: In which applications can SG117AK be used? A: SG117AK can be used in various applications such as power supplies, battery charging circuits, audio amplifiers, and voltage regulators.
Q: What is the maximum input voltage for SG117AK? A: The maximum input voltage for SG117AK typically ranges from 30V to 40V, but it may vary depending on the specific model.
Q: What is the output voltage range of SG117AK? A: The output voltage range of SG117AK can be adjusted using external components and can typically range from 1.2V to 37V.
Q: Is SG117AK suitable for high-current applications? A: Yes, SG117AK is designed to handle moderate to high currents, typically up to 1A or more, making it suitable for many applications.
Q: Can SG117AK handle temperature variations? A: Yes, SG117AK is designed to operate over a wide temperature range and may include built-in thermal protection to prevent overheating.
Q: Are there any precautions to consider when using SG117AK? A: Some precautions include proper heat sinking, avoiding excessive input voltage, and ensuring correct polarity during installation.

Please note that the specific details and answers may vary depending on the manufacturer and datasheet of the SG117AK component.