Microsemi Corporation
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SG117L
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SG117L

Product Overview

  • Category: Electronic Component
  • Use: Voltage Regulator
  • Characteristics:
    • Small form factor
    • High efficiency
    • Low power consumption
  • Package: TO-220
  • Essence: Linear voltage regulator
  • Packaging/Quantity: Bulk packaging, 100 units per pack

Specifications

  • Input Voltage Range: 4.5V to 25V
  • Output Voltage Range: 1.2V to 20V
  • Output Current: Up to 1A
  • Dropout Voltage: 1.3V (typical)
  • Line Regulation: ±0.2% (typical)
  • Load Regulation: ±0.4% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The SG117L has three pins:

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

Functional Features

  • Provides a stable and regulated output voltage regardless of input voltage fluctuations.
  • Low dropout voltage ensures efficient operation even with low input voltages.
  • Built-in thermal shutdown protection prevents overheating.
  • Short-circuit protection safeguards the device and connected components.
  • Adjustable output voltage through external resistors.

Advantages

  • Compact size makes it suitable for space-constrained applications.
  • High efficiency results in minimal power dissipation.
  • Wide input voltage range allows for versatile use.
  • Excellent line and load regulation ensure stable output voltage.
  • Robust protection features enhance reliability.

Disadvantages

  • Limited output current capability compared to higher-rated regulators.
  • Requires additional external components for precise voltage adjustment.
  • Linear regulation results in higher power dissipation compared to switching regulators.

Working Principles

The SG117L is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from a voltage divider network connected to the output. The pass transistor adjusts its resistance to maintain a constant output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The SG117L is commonly used in various electronic devices and applications, including:

  1. Power supplies for microcontrollers and other low-power digital circuits.
  2. Battery-powered devices requiring stable voltage levels.
  3. Automotive electronics, such as dashboard displays and infotainment systems.
  4. Industrial control systems and automation equipment.
  5. Audio amplifiers and preamplifiers.
  6. LED lighting systems.

Detailed and Complete Alternative Models

  1. LM317: Similar linear voltage regulator with adjustable output voltage.
  2. LT1084: Higher current linear voltage regulator with lower dropout voltage.
  3. LM7805: Fixed 5V linear voltage regulator commonly used in many applications.
  4. LM1117: Low dropout linear voltage regulator with fixed output voltage options.

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

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技術ソリューションにおける SG117L の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of SG117L in technical solutions:

  1. Q: What is SG117L? A: SG117L is a specific model or type of component used in technical solutions, often referring to a specific electronic device or part.

  2. Q: What are the main features of SG117L? A: The main features of SG117L may include high efficiency, low power consumption, compact size, reliable performance, and compatibility with various systems.

  3. Q: In which technical solutions can SG117L be used? A: SG117L can be used in a wide range of technical solutions, including power supplies, voltage regulators, battery charging circuits, motor control systems, and other applications that require stable power management.

  4. Q: What is the voltage rating of SG117L? A: The voltage rating of SG117L may vary depending on the specific model, but it is typically designed to operate within a certain voltage range, such as 5V to 24V.

  5. Q: How does SG117L contribute to energy efficiency in technical solutions? A: SG117L is designed to have high efficiency, meaning it minimizes power losses during operation, resulting in reduced energy consumption and improved overall energy efficiency in technical solutions.

  6. Q: Can SG117L handle high current loads? A: Yes, SG117L is often capable of handling moderate to high current loads, making it suitable for applications that require powering devices or components with higher power requirements.

  7. Q: Is SG117L compatible with different types of input voltages? A: Yes, SG117L is typically designed to be compatible with a wide range of input voltages, allowing it to be used in various technical solutions regardless of the specific power source.

  8. Q: Does SG117L have built-in protection features? A: Yes, many models of SG117L come with built-in protection features such as overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe operation and prevent damage to the device or the connected components.

  9. Q: Can SG117L be used in both AC and DC applications? A: Yes, SG117L can be used in both AC (alternating current) and DC (direct current) applications, depending on the specific requirements of the technical solution.

  10. Q: Are there any recommended application circuits or reference designs available for SG117L? A: Yes, manufacturers often provide application notes, datasheets, and reference designs that showcase the recommended circuit configurations and usage guidelines for SG117L in various technical solutions.