Taiwan Semiconductor Corporation
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TS78L12CS RLG
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TS78L12CS RLG

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Fixed Output Voltage
  • Package: TO-252, 3-Pin
  • Essence: Linear Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage: Up to 35V
  • Output Voltage: 12V
  • Output Current: Up to 100mA
  • Dropout Voltage: 2V (typical)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TS78L12CS RLG is a 3-pin device with the following pin configuration:

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

Functional Features

  • Voltage Regulation: The TS78L12CS RLG maintains a constant output voltage of 12V, regardless of changes in the input voltage or load conditions.
  • Low Dropout: With a dropout voltage of only 2V, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
  • Short Circuit Protection: The IC includes built-in protection against short circuits, preventing damage to the device and connected components.
  • Thermal Shutdown: In case of excessive temperature, the regulator automatically shuts down to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages: - Simple and easy to use. - Stable and reliable voltage regulation. - Low dropout voltage allows for efficient operation. - Built-in protection features enhance safety.

Disadvantages: - Limited output current capability (up to 100mA). - Not suitable for high-power applications.

Working Principles

The TS78L12CS RLG is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a constant output voltage of 12V. The dropout voltage is minimized through the use of a low-resistance pass element.

Application Field Plans

The TS78L12CS RLG is commonly used in various electronic devices and circuits where a stable 12V power supply is required. Some typical application fields include:

  1. Battery-powered devices: Provides regulated power to microcontrollers, sensors, and other low-power components.
  2. Automotive electronics: Used in automotive systems such as dashboard displays, lighting controls, and audio systems.
  3. Industrial control systems: Ensures stable voltage supply for PLCs (Programmable Logic Controllers), motor drivers, and sensors.
  4. Communication equipment: Used in routers, switches, and other network devices to provide a reliable power source.

Alternative Models

  • LM78L12: Similar 3-pin voltage regulator with a fixed 12V output.
  • MC78L12: Another 3-pin voltage regulator offering a fixed 12V output.
  • UA78L12: Low dropout voltage regulator with a fixed 12V output.

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TS78L12CS RLG v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TS78L12CS RLG in technical solutions:

  1. Q: What is TS78L12CS RLG? A: TS78L12CS RLG is a voltage regulator integrated circuit (IC) that provides a fixed output voltage of +12V.

  2. Q: What is the purpose of using TS78L12CS RLG in technical solutions? A: The purpose of using TS78L12CS RLG is to regulate and stabilize the voltage supply, ensuring a constant +12V output for various electronic components or circuits.

  3. Q: Can TS78L12CS RLG be used with both AC and DC power sources? A: No, TS78L12CS RLG is designed to work with DC power sources only.

  4. Q: What is the maximum input voltage that TS78L12CS RLG can handle? A: The maximum input voltage that TS78L12CS RLG can handle is typically around 35V.

  5. Q: Is TS78L12CS RLG suitable for high-current applications? A: No, TS78L12CS RLG is not suitable for high-current applications as it has a limited current handling capability.

  6. Q: How much current can TS78L12CS RLG provide as output? A: TS78L12CS RLG can provide a maximum output current of around 100mA.

  7. Q: Does TS78L12CS RLG require any external components for operation? A: Yes, TS78L12CS RLG requires a minimum of two external capacitors for proper stability and filtering.

  8. Q: Can TS78L12CS RLG tolerate short-circuits or overloads? A: No, TS78L12CS RLG does not have built-in protection against short-circuits or overloads. External protection measures should be implemented.

  9. Q: Is TS78L12CS RLG available in different package types? A: Yes, TS78L12CS RLG is available in various package types, such as TO-92, SOT-89, and SOT-223.

  10. Q: What are some typical applications of TS78L12CS RLG? A: Some typical applications of TS78L12CS RLG include powering low-power microcontrollers, sensors, analog circuits, and small electronic devices that require a regulated +12V supply.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for TS78L12CS RLG.