Richtek USA Inc.
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
RT9819E-18GVL
Ver Detalle Hojas de datos

RT9819E-18GVL

Product Overview

Category

The RT9819E-18GVL belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

  • High precision voltage regulation
  • Low dropout voltage
  • Wide input voltage range
  • Thermal shutdown protection
  • Current limit protection

Package

The RT9819E-18GVL comes in a small SOT-23 package, which is suitable for surface mount applications.

Essence

The essence of the RT9819E-18GVL lies in its ability to provide stable and regulated voltage output for various electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying depending on customer requirements.

Specifications

  • Input Voltage Range: 2.5V - 6V
  • Output Voltage: 1.8V
  • Dropout Voltage: 200mV @ 100mA
  • Quiescent Current: 45µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9819E-18GVL has three pins:

  1. VIN (Pin 1): Input voltage pin.
  2. GND (Pin 2): Ground reference pin.
  3. VOUT (Pin 3): Regulated output voltage pin.

Functional Features

  • High accuracy voltage regulation ensures stable output.
  • Low dropout voltage enables efficient power conversion.
  • Wide input voltage range allows flexibility in various applications.
  • Thermal shutdown protection prevents overheating.
  • Current limit protection safeguards against excessive current flow.

Advantages and Disadvantages

Advantages

  • High precision voltage regulation ensures reliable performance.
  • Low dropout voltage minimizes power loss.
  • Wide input voltage range provides versatility.
  • Thermal shutdown and current limit protection enhance safety.

Disadvantages

  • Limited output voltage options.
  • SOT-23 package may not be suitable for all applications.

Working Principles

The RT9819E-18GVL operates based on a feedback control mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage, even when the input voltage or load conditions change.

Detailed Application Field Plans

The RT9819E-18GVL finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

  1. RT9819E-25GVL: Output voltage of 2.5V.
  2. RT9819E-33GVL: Output voltage of 3.3V.
  3. RT9819E-50GVL: Output voltage of 5.0V.
  4. RT9819E-ADJGVL: Adjustable output voltage version.

These alternative models provide different output voltage options to cater to specific application requirements.

Note: The content provided above is approximately 300 words. Additional information can be added to meet the required word count of 1100 words.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de RT9819E-18GVL en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of RT9819E-18GVL in technical solutions:

  1. Question: What is the RT9819E-18GVL?
    Answer: The RT9819E-18GVL is a voltage regulator IC (integrated circuit) that provides a stable output voltage of 1.8V.

  2. Question: What is the input voltage range for the RT9819E-18GVL?
    Answer: The input voltage range for the RT9819E-18GVL is typically between 2.5V and 5.5V.

  3. Question: What is the maximum output current of the RT9819E-18GVL?
    Answer: The maximum output current of the RT9819E-18GVL is 300mA.

  4. Question: Can the RT9819E-18GVL be used in battery-powered applications?
    Answer: Yes, the RT9819E-18GVL can be used in battery-powered applications as it has a low dropout voltage and low quiescent current.

  5. Question: Is the RT9819E-18GVL suitable for use in automotive applications?
    Answer: Yes, the RT9819E-18GVL is suitable for use in automotive applications as it meets the AEC-Q100 Grade 1 qualification standards.

  6. Question: Does the RT9819E-18GVL have built-in protection features?
    Answer: Yes, the RT9819E-18GVL has built-in protection features such as overcurrent protection, thermal shutdown, and reverse current protection.

  7. Question: Can multiple RT9819E-18GVL regulators be connected in parallel?
    Answer: No, it is not recommended to connect multiple RT9819E-18GVL regulators in parallel as it may cause stability issues and affect the overall performance.

  8. Question: What is the operating temperature range of the RT9819E-18GVL?
    Answer: The operating temperature range of the RT9819E-18GVL is typically between -40°C and 85°C.

  9. Question: Does the RT9819E-18GVL require any external components for operation?
    Answer: Yes, the RT9819E-18GVL requires a few external components such as input and output capacitors for stability and filtering.

  10. Question: Is there a recommended PCB layout for the RT9819E-18GVL?
    Answer: Yes, the datasheet of the RT9819E-18GVL provides a recommended PCB layout to ensure proper performance and minimize noise and interference.

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