Taiwan Semiconductor Corporation
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TS78L12ACY RMG
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TS78L12ACY RMG

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Fixed Output Voltage
  • Package: TO-220, SOT-89
  • Essence: Linear Regulator
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Input Voltage Range: 14V to 35V
  • Output Voltage: 12V
  • Output Current: 100mA
  • Dropout Voltage: 2V
  • Line Regulation: ±0.2%
  • Load Regulation: ±0.4%
  • Quiescent Current: 5mA
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TS78L12ACY RMG has a standard three-pin configuration:

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

Functional Features

  • Low Dropout: The TS78L12ACY RMG has a low dropout voltage of 2V, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
  • Fixed Output Voltage: It provides a fixed output voltage of 12V, ensuring a stable power supply for connected devices.
  • Internal Thermal Shutdown: The IC incorporates internal thermal shutdown protection, preventing damage due to excessive temperature.
  • Short Circuit Protection: The device is equipped with short circuit protection, safeguarding against potential damage caused by a short circuit in the load.

Advantages and Disadvantages

Advantages: - Simple and easy to use. - Low dropout voltage ensures efficient regulation. - Compact package options for space-constrained applications. - Internal thermal shutdown and short circuit protection enhance reliability.

Disadvantages: - Limited output current capability (100mA). - Fixed output voltage may not be suitable for all applications requiring variable voltages.

Working Principles

The TS78L12ACY RMG is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor's resistance to maintain a stable output voltage.

Detailed Application Field Plans

The TS78L12ACY RMG is commonly used in various electronic devices and systems, including:

  1. Consumer Electronics: Powering audio amplifiers, portable music players, and small appliances.
  2. Automotive: Providing regulated power for car audio systems, lighting controls, and sensors.
  3. Industrial: Used in control systems, instrumentation, and motor drives.
  4. Telecommunications: Powering communication devices, routers, and modems.
  5. Computer Systems: Regulating voltage for computer peripherals, such as hard drives and optical drives.

Detailed and Complete Alternative Models

  1. LM78L12: Similar specifications and pin configuration, available in TO-92 package.
  2. UA78L12: Comparable performance, available in TO-220 package.
  3. MC78L12: Equivalent functionality, offered in SOT-223 package.

These alternative models provide similar voltage regulation capabilities and can be considered as substitutes for the TS78L12ACY RMG.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TS78L12ACY RMG v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TS78L12ACY RMG in technical solutions:

  1. Q: What is TS78L12ACY RMG? A: TS78L12ACY RMG is a voltage regulator integrated circuit (IC) that provides a fixed output voltage of 12V.

  2. Q: What is the input voltage range for TS78L12ACY RMG? A: The input voltage range for TS78L12ACY RMG is typically between 14V and 35V.

  3. Q: What is the maximum output current of TS78L12ACY RMG? A: The maximum output current of TS78L12ACY RMG is 100mA.

  4. Q: Can TS78L12ACY RMG handle higher input voltages than 35V? A: No, TS78L12ACY RMG is designed to operate within the specified input voltage range of 14V to 35V. Exceeding this range may damage the IC.

  5. Q: Is TS78L12ACY RMG suitable for automotive applications? A: Yes, TS78L12ACY RMG is commonly used in automotive applications where a stable 12V power supply is required.

  6. Q: Does TS78L12ACY RMG require any external components for operation? A: Yes, TS78L12ACY RMG requires input and output capacitors for stability and filtering purposes. Refer to the datasheet for recommended values.

  7. Q: Can TS78L12ACY RMG be used in battery-powered applications? A: Yes, TS78L12ACY RMG can be used in battery-powered applications as long as the input voltage remains within the specified range.

  8. Q: What is the dropout voltage of TS78L12ACY RMG? A: The dropout voltage of TS78L12ACY RMG is typically around 2V. This means that the input voltage must be at least 2V higher than the desired output voltage for proper regulation.

  9. Q: Is TS78L12ACY RMG available in different package options? A: Yes, TS78L12ACY RMG is available in various package options such as TO-92, SOT-89, and SOIC-8.

  10. Q: Can TS78L12ACY RMG be used in high-temperature environments? A: Yes, TS78L12ACY RMG is designed to operate within a wide temperature range, typically from -40°C to +125°C, making it suitable for high-temperature environments.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for TS78L12ACY RMG.