Taiwan Semiconductor Corporation
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TS78L03ACY RMG
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TS78L03ACY RMG

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, 3.3V Output, Positive Voltage Regulator
  • Package: TO-220, SOT-89
  • Essence: Linear Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage: 4.5V to 30V
  • Output Voltage: 3.3V
  • Output Current: 100mA
  • Dropout Voltage: 1.7V (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TS78L03ACY RMG has a standard three-pin configuration:

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

Functional Features

  • Low Dropout: The TS78L03ACY RMG has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
  • Stable Output: It provides a stable 3.3V output voltage, ensuring reliable operation of connected devices.
  • Short Circuit Protection: The IC includes built-in short circuit protection, safeguarding against damage in case of a short circuit on the output side.
  • Thermal Shutdown: In case of excessive temperature, the device shuts down to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - Stable output voltage for reliable performance. - Built-in short circuit protection enhances safety. - Thermal shutdown prevents overheating.

Disadvantages: - Limited output current of 100mA may not be suitable for high-power applications. - Requires external capacitors for stability.

Working Principles

The TS78L03ACY RMG 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, adjusting the pass transistor's resistance to maintain a constant output voltage. The dropout voltage is minimized through the use of a low-resistance pass element.

Detailed Application Field Plans

The TS78L03ACY RMG is commonly used in various electronic devices and applications, including but not limited to:

  1. Battery-powered devices: Provides stable voltage regulation for portable electronics such as smartphones, tablets, and portable audio players.
  2. Industrial control systems: Ensures reliable power supply for sensors, actuators, and other components in industrial automation systems.
  3. Automotive electronics: Used in automotive applications to regulate voltage for various subsystems, including infotainment systems, lighting, and sensors.
  4. Embedded systems: Provides regulated power supply for microcontrollers, sensors, and other components in embedded systems.

Detailed and Complete Alternative Models

  1. LM1117-3.3: Low dropout voltage regulator with similar specifications and pin configuration.
  2. MCP1700-3302E: Another 3.3V low dropout voltage regulator available in different package options.
  3. AMS1117-3.3: Linear voltage regulator with adjustable output voltage and similar characteristics.

These alternative models offer similar functionality and can be considered as substitutes for the TS78L03ACY RMG in various applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TS78L03ACY RMG i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TS78L03ACY RMG in technical solutions:

  1. Q: What is TS78L03ACY RMG? A: TS78L03ACY RMG is a voltage regulator IC that provides a fixed output voltage of 3.3V.

  2. Q: What are the typical applications of TS78L03ACY RMG? A: TS78L03ACY RMG is commonly used in various electronic devices such as microcontrollers, sensors, and low-power digital circuits.

  3. Q: What is the input voltage range for TS78L03ACY RMG? A: The input voltage range for TS78L03ACY RMG is typically between 4.5V and 30V.

  4. Q: What is the maximum output current of TS78L03ACY RMG? A: The maximum output current of TS78L03ACY RMG is 100mA.

  5. Q: Does TS78L03ACY RMG require any external components for operation? A: Yes, TS78L03ACY RMG requires an input capacitor and an output capacitor for stable operation.

  6. Q: Can TS78L03ACY RMG handle short-circuit conditions? A: No, TS78L03ACY RMG does not have built-in short-circuit protection. It is recommended to use external protection circuitry.

  7. Q: What is the operating temperature range for TS78L03ACY RMG? A: The operating temperature range for TS78L03ACY RMG is typically between -40°C and +125°C.

  8. Q: Is TS78L03ACY RMG available in different package types? A: Yes, TS78L03ACY RMG is available in different package types such as SOT-89 and TO-92.

  9. Q: Can TS78L03ACY RMG be used in battery-powered applications? A: Yes, TS78L03ACY RMG can be used in battery-powered applications as it has low quiescent current consumption.

  10. Q: Are there any recommended layout guidelines for using TS78L03ACY RMG? A: Yes, it is recommended to keep the input and output traces short, place the input and output capacitors close to the IC, and minimize noise sources near the regulator for optimal performance.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements of TS78L03ACY RMG.