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RT9187GQV
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RT9187GQV

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: QFN-16

Essence: The RT9187GQV is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The RT9187GQV is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 2.5V - 6V
  • Output Voltage Range: 1.2V - 5.5V
  • Dropout Voltage: 200mV @ 500mA
  • Output Current: Up to 1A
  • Quiescent Current: 60µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9187GQV has a total of 16 pins, which are assigned specific functions as follows:

  1. VIN: Input voltage pin
  2. EN: Enable pin
  3. FB: Feedback pin
  4. GND: Ground pin
  5. PGND: Power ground pin
  6. VOUT: Output voltage pin
  7. NC: No connection
  8. NC: No connection
  9. NC: No connection
  10. NC: No connection
  11. NC: No connection
  12. NC: No connection
  13. NC: No connection
  14. NC: No connection
  15. NC: No connection
  16. NC: No connection

Functional Features

  • Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
  • High output current capability allows the IC to handle demanding loads.
  • Adjustable output voltage provides flexibility in meeting specific voltage requirements.
  • Thermal shutdown protection prevents the IC from overheating and damaging itself.
  • Overcurrent protection safeguards the IC and connected devices from excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage improves efficiency - High output current capability for demanding loads - Adjustable output voltage for flexibility - Thermal shutdown and overcurrent protection enhance reliability

Disadvantages: - Limited input voltage range (2.5V - 6V) - Quiescent current of 60µA may be relatively high for low-power applications

Working Principles

The RT9187GQV operates as a linear voltage regulator, utilizing a pass transistor to regulate the output voltage. It compares the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance and maintain a stable output voltage. The enable pin (EN) controls the regulator's on/off state.

Detailed Application Field Plans

The RT9187GQV is commonly used in various electronic devices that require a regulated power supply, such as: - Mobile phones - Tablets - Portable media players - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

  1. LM1117-ADJ: Adjustable Voltage Regulator, TO-220 package
  2. LT1763-3.3: Fixed 3.3V Voltage Regulator, SOT-223 package
  3. MAX603CPA: Adjustable Voltage Regulator, DIP-8 package
  4. TPS79633DCQR: Fixed 3.3V Voltage Regulator, VSON-10 package
  5. MCP1700T-3302E/TT: Fixed 3.3V Voltage Regulator, SOT-23 package

These alternative models offer similar functionality and can be considered as substitutes for the RT9187GQV in various applications.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням RT9187GQV у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of RT9187GQV in technical solutions:

  1. Question: What is RT9187GQV?
    Answer: RT9187GQV is a voltage regulator IC (integrated circuit) commonly used in electronic devices to regulate and stabilize voltage levels.

  2. Question: What is the input voltage range for RT9187GQV?
    Answer: The input voltage range for RT9187GQV is typically between 2.5V and 6V.

  3. Question: What is the output voltage range for RT9187GQV?
    Answer: The output voltage range for RT9187GQV can be adjusted from 0.8V to the input voltage level.

  4. Question: What is the maximum output current of RT9187GQV?
    Answer: The maximum output current of RT9187GQV is typically around 1A.

  5. Question: Can RT9187GQV be used in battery-powered applications?
    Answer: Yes, RT9187GQV can be used in battery-powered applications as it has a low dropout voltage and operates efficiently with low input voltages.

  6. Question: Is RT9187GQV suitable for automotive applications?
    Answer: Yes, RT9187GQV is suitable for automotive applications as it can withstand high temperatures and has built-in protection features such as over-temperature and over-current protection.

  7. Question: Does RT9187GQV require external components for operation?
    Answer: Yes, RT9187GQV requires a few external components such as input and output capacitors for stability and filtering.

  8. Question: Can RT9187GQV be used in both step-up and step-down voltage applications?
    Answer: No, RT9187GQV is primarily designed for step-down (buck) voltage applications.

  9. Question: What is the typical efficiency of RT9187GQV?
    Answer: The typical efficiency of RT9187GQV is around 90% to 95%, depending on the input and output voltage levels.

  10. Question: Is RT9187GQV available in different package options?
    Answer: Yes, RT9187GQV is available in various package options such as SOT-23, SOP-8, and DFN-6, providing flexibility for different PCB layouts and space constraints.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements of RT9187GQV.