Taiwan Semiconductor Corporation
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TS78L09CT B0G
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TS78L09CT B0G

Product Overview

Category

TS78L09CT B0G belongs to the category of linear voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

  • Input Voltage Range: 10V to 35V
  • Output Voltage: 9V
  • Maximum Output Current: 100mA
  • Dropout Voltage: 2V
  • Low Quiescent Current: 5mA
  • Thermal Overload Protection
  • Short Circuit Protection

Package

The TS78L09CT B0G comes in a TO-220 package, which is a widely used through-hole package for power semiconductors.

Essence

The essence of TS78L09CT B0G lies in its ability to provide a stable and regulated output voltage despite fluctuations in the input voltage.

Packaging/Quantity

The TS78L09CT B0G is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

  • Input Voltage Range: 10V to 35V
  • Output Voltage: 9V
  • Output Current: 100mA
  • Dropout Voltage: 2V
  • Quiescent Current: 5mA
  • Operating Temperature Range: -40°C to +125°C
  • Package Type: TO-220
  • Package Quantity: 1000 units per reel/tube

Detailed Pin Configuration

The TS78L09CT B0G has three pins:

  1. Input (IN): This pin is connected to the input voltage source.
  2. Ground (GND): This pin is connected to the ground reference.
  3. Output (OUT): This pin provides the regulated output voltage.

Functional Features

  • Voltage Regulation: The TS78L09CT B0G ensures a constant output voltage of 9V, regardless of variations in the input voltage.
  • Thermal Overload Protection: It incorporates a thermal shutdown feature that protects the device from overheating.
  • Short Circuit Protection: The regulator is designed to withstand short circuits without damage.

Advantages and Disadvantages

Advantages

  • Stable Output Voltage: Provides a constant 9V output voltage.
  • Low Quiescent Current: Consumes minimal current when no load is connected.
  • Thermal and Short Circuit Protection: Ensures the safety and longevity of the device.

Disadvantages

  • Limited Output Current: Can only supply a maximum current of 100mA.
  • Dropout Voltage: Requires an input voltage at least 2V higher than the desired output voltage.

Working Principles

The TS78L09CT B0G operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This allows it to maintain a stable output voltage despite fluctuations in the input voltage.

Detailed Application Field Plans

The TS78L09CT B0G finds applications in various electronic devices and systems, including:

  1. Power Supplies: It can be used in low-power applications where a regulated 9V supply is required.
  2. Audio Amplifiers: It can provide a stable power source for audio amplifiers, ensuring consistent performance.
  3. Microcontroller Systems: It can be used to power microcontrollers and other digital components in embedded systems.
  4. Battery-Powered Devices: It can regulate the voltage in battery-powered devices, extending their operational life.

Detailed and Complete Alternative Models

  1. LM7809: A popular alternative with similar specifications and pin configuration.
  2. UA78M09: Another alternative with comparable characteristics and package type.
  3. L78L09ABUTR: An alternative option with a smaller SOT-89 package.

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 TS78L09CT B0G v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TS78L09CT B0G in technical solutions:

  1. Q: What is TS78L09CT B0G? A: TS78L09CT B0G is a voltage regulator IC that provides a fixed output voltage of +9V.

  2. Q: What is the maximum input voltage for TS78L09CT B0G? A: The maximum input voltage for TS78L09CT B0G is 35V.

  3. Q: What is the output current capability of TS78L09CT B0G? A: TS78L09CT B0G can provide an output current of up to 100mA.

  4. Q: Can TS78L09CT B0G handle higher input voltages than 9V? A: No, TS78L09CT B0G is designed to regulate the input voltage to a fixed +9V output. It cannot handle higher input voltages.

  5. Q: Is TS78L09CT B0G suitable for battery-powered applications? A: Yes, TS78L09CT B0G is commonly used in battery-powered applications as it has low quiescent current and operates efficiently with low dropout voltage.

  6. Q: Does TS78L09CT B0G require any external components for operation? A: Yes, TS78L09CT B0G requires input and output capacitors for stability. A 0.33μF capacitor is recommended on the input side, and a 0.1μF capacitor on the output side.

  7. Q: Can TS78L09CT B0G handle short-circuit conditions? A: Yes, TS78L09CT B0G has built-in short-circuit protection. It will limit the output current to a safe level in case of a short circuit.

  8. Q: Can TS78L09CT B0G handle high temperatures? A: TS78L09CT B0G has a maximum operating temperature of 125°C, making it suitable for most applications.

  9. Q: Can TS78L09CT B0G be used in automotive applications? A: Yes, TS78L09CT B0G is designed to meet automotive specifications and can be used in automotive applications.

  10. Q: What are some typical applications of TS78L09CT B0G? A: TS78L09CT B0G is commonly used in various electronic devices such as audio amplifiers, sensors, microcontrollers, and other low-power applications that require a regulated +9V power supply.

Please note that these answers are general and may vary depending on specific application requirements.