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RT9073-18GU5
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RT9073-18GU5

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: SOT-23-5

Essence: The RT9073-18GU5 is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and maintain a constant voltage level.

Packaging/Quantity: The RT9073-18GU5 is available in a SOT-23-5 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

  • Input Voltage Range: 2.5V to 6V
  • Output Voltage Range: 1.8V
  • Dropout Voltage: 200mV at 300mA
  • Output Current: Up to 300mA
  • Quiescent Current: 60μA
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The RT9073-18GU5 has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. FB (Feedback)
  4. EN (Enable)
  5. VOUT (Output Voltage)

Functional Features

  • Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
  • High output current capability allows it to power a wide range of electronic components.
  • Adjustable output voltage enables customization according to specific requirements.
  • Thermal shutdown protection prevents overheating and damage to the IC.
  • Overcurrent protection safeguards against excessive current flow, protecting both the IC and connected devices.

Advantages and Disadvantages

Advantages: - Compact size and surface-mount package make it suitable for space-constrained applications. - Wide input voltage range allows compatibility with various power sources. - Low quiescent current minimizes power consumption in standby mode. - Excellent line and load regulation ensures stable output voltage under different operating conditions.

Disadvantages: - Limited output voltage options, as it is designed specifically for 1.8V output. - May require additional external components for certain applications, such as input/output capacitors.

Working Principles

The RT9073-18GU5 operates based on a linear voltage regulator principle. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The feedback pin (FB) monitors the output voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The RT9073-18GU5 finds applications in various electronic devices that require a stable and regulated power supply. Some common application fields include: - Battery-powered devices - Portable consumer electronics - IoT devices - Embedded systems - Communication equipment

Detailed and Complete Alternative Models

  • RT9073-15GU5: Output voltage of 1.5V
  • RT9073-25GU5: Output voltage of 2.5V
  • RT9073-33GU5: Output voltage of 3.3V
  • RT9073-50GU5: Output voltage of 5.0V

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

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням RT9073-18GU5 у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of RT9073-18GU5 in technical solutions:

  1. Question: What is RT9073-18GU5?
    Answer: RT9073-18GU5 is a specific model of voltage regulator IC (integrated circuit) used for power management in various electronic devices.

  2. Question: What is the input voltage range supported by RT9073-18GU5?
    Answer: The input voltage range supported by RT9073-18GU5 is typically between 2.5V and 5.5V.

  3. Question: What is the output voltage range provided by RT9073-18GU5?
    Answer: RT9073-18GU5 provides a fixed output voltage of 1.8V.

  4. Question: What is the maximum output current that RT9073-18GU5 can handle?
    Answer: RT9073-18GU5 can handle a maximum output current of 300mA.

  5. Question: Can RT9073-18GU5 be used in battery-powered applications?
    Answer: Yes, RT9073-18GU5 can be used in battery-powered applications as it supports a wide input voltage range and has low quiescent current.

  6. Question: Is RT9073-18GU5 suitable for low-power IoT devices?
    Answer: Yes, RT9073-18GU5 is suitable for low-power IoT devices due to its low quiescent current and efficient power management capabilities.

  7. Question: Does RT9073-18GU5 have built-in protection features?
    Answer: Yes, RT9073-18GU5 includes built-in protection features such as overcurrent protection, thermal shutdown, and short-circuit protection.

  8. Question: Can RT9073-18GU5 be used in automotive applications?
    Answer: Yes, RT9073-18GU5 is suitable for automotive applications as it can withstand a wide temperature range and has high reliability.

  9. Question: What is the package type of RT9073-18GU5?
    Answer: RT9073-18GU5 is available in a small SOT-23-5 package, which is commonly used for compact electronic designs.

  10. Question: Are there any application notes or reference designs available for RT9073-18GU5?
    Answer: Yes, the manufacturer of RT9073-18GU5 provides application notes and reference designs that can help in implementing the IC effectively in various technical solutions.

Please note that the answers provided here are general and may vary depending on the specific requirements and use cases. It's always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.