Richtek USA Inc.
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RT9819C-30GV
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RT9819C-30GV

Product Overview

Category

RT9819C-30GV belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

  • High precision voltage regulation
  • Low dropout voltage
  • Low quiescent current
  • Thermal shutdown protection
  • Short circuit protection

Package

RT9819C-30GV is available in a small SOT-23-5 package.

Essence

The essence of RT9819C-30GV lies in its ability to provide stable and regulated voltage output, ensuring reliable performance of electronic devices.

Packaging/Quantity

RT9819C-30GV is typically packaged in reels, with each reel containing 3000 units.

Specifications

  • Input Voltage Range: 2.5V - 6V
  • Output Voltage: 3.0V
  • Dropout Voltage: 200mV @ 100mA
  • Quiescent Current: 50μA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. EN (Enable)
  4. NC (No Connection)
  5. VOUT (Output Voltage)

Functional Features

  • High Precision: RT9819C-30GV ensures accurate and stable voltage regulation.
  • Low Dropout Voltage: The device maintains a low voltage drop across the regulator, minimizing power loss.
  • Low Quiescent Current: It consumes minimal current when in standby mode, conserving energy.
  • Thermal Shutdown Protection: The regulator automatically shuts down if the temperature exceeds the safe operating limit.
  • Short Circuit Protection: RT9819C-30GV safeguards against damage caused by short circuits.

Advantages and Disadvantages

Advantages

  • Provides precise and stable voltage regulation.
  • Low power consumption in standby mode.
  • Offers protection against thermal shutdown and short circuits.

Disadvantages

  • Limited input voltage range (2.5V - 6V).
  • Dropout voltage may cause a slight loss of power.

Working Principles

RT9819C-30GV operates by comparing the output voltage with a reference voltage. It adjusts the resistance to maintain a constant output voltage, compensating for any fluctuations in the input voltage or load conditions. The enable pin allows the device to be turned on or off as required.

Detailed Application Field Plans

RT9819C-30GV finds applications in various electronic devices, including: 1. Mobile phones 2. Tablets 3. Portable media players 4. Digital cameras 5. Wireless communication devices

Detailed and Complete Alternative Models

  1. RT9819C-33GV: Output voltage of 3.3V
  2. RT9819C-25GV: Output voltage of 2.5V
  3. RT9819C-50GV: Output voltage of 5.0V
  4. RT9819C-12GV: Output voltage of 1.2V

These alternative models provide different output voltages to cater to specific requirements.

In conclusion, RT9819C-30GV is a voltage regulator that offers high precision, low dropout voltage, and thermal shutdown protection. While it has limitations in terms of input voltage range, it provides reliable voltage regulation for various electronic devices.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de RT9819C-30GV en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of RT9819C-30GV in technical solutions:

  1. Question: What is RT9819C-30GV?
    Answer: RT9819C-30GV is a voltage regulator IC (Integrated Circuit) that provides a fixed output voltage of 3.0V.

  2. Question: What is the input voltage range for RT9819C-30GV?
    Answer: The input voltage range for RT9819C-30GV is typically between 2.5V and 5.5V.

  3. Question: What is the maximum output current of RT9819C-30GV?
    Answer: The maximum output current of RT9819C-30GV is 300mA.

  4. Question: Can RT9819C-30GV be used in battery-powered applications?
    Answer: Yes, RT9819C-30GV can be used in battery-powered applications as it has a low dropout voltage and operates efficiently with low input voltages.

  5. Question: Is RT9819C-30GV suitable for use in automotive electronics?
    Answer: Yes, RT9819C-30GV is suitable for use in automotive electronics as it meets the AEC-Q100 standard for automotive applications.

  6. Question: Does RT9819C-30GV have built-in thermal protection?
    Answer: Yes, RT9819C-30GV has built-in thermal protection that prevents the IC from overheating and ensures safe operation.

  7. Question: Can RT9819C-30GV be used in both step-up and step-down voltage conversion applications?
    Answer: No, RT9819C-30GV is a linear voltage regulator and can only be used for step-down voltage conversion.

  8. Question: What is the typical dropout voltage of RT9819C-30GV?
    Answer: The typical dropout voltage of RT9819C-30GV is 200mV at a load current of 100mA.

  9. Question: Does RT9819C-30GV require any external components for operation?
    Answer: Yes, RT9819C-30GV requires an input capacitor and an output capacitor for stable operation. The values of these capacitors can be found in the datasheet.

  10. Question: Can RT9819C-30GV operate in a wide temperature range?
    Answer: Yes, RT9819C-30GV can operate in a temperature range from -40°C to +85°C, making it suitable for various environmental conditions.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.