Richtek USA Inc.
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RT9285CGQW
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RT9285CGQW

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Regulator
  • Characteristics: High efficiency, low dropout voltage, compact size
  • Package: QFN-16
  • Essence: Regulates input voltage to a stable output voltage
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V - 6V
  • Output Voltage Range: 1.2V - 5.5V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 200mV at 300mA
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9285CGQW has a total of 16 pins arranged as follows:

  1. VIN: Input Voltage
  2. GND: Ground
  3. EN: Enable Pin
  4. FB: Feedback Pin
  5. VOUT: Output Voltage
  6. NC: No Connection
  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. PG: Power Good Indicator

Functional Features

  • High efficiency conversion
  • Low dropout voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency results in less power dissipation - Compact size allows for space-saving designs - Overcurrent and thermal shutdown protection ensure device safety - Power good indicator provides visual feedback on the output status

Disadvantages: - Limited maximum output current of 500mA - Input voltage range is restricted to 2.5V - 6V

Working Principles

The RT9285CGQW is a voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It achieves this by using an internal feedback mechanism that continuously adjusts the output voltage based on the reference voltage and the feedback voltage. The device operates in a switching mode, which allows for high efficiency conversion and low dropout voltage.

Detailed Application Field Plans

The RT9285CGQW is commonly used in various electronic devices where a stable voltage supply is required. Some typical application fields include:

  1. Mobile devices: Smartphones, tablets, portable media players
  2. Wireless communication systems: Wi-Fi modules, Bluetooth devices
  3. Battery-powered devices: Portable gaming consoles, digital cameras
  4. Industrial equipment: Sensors, control systems
  5. Automotive electronics: Infotainment systems, navigation devices

Detailed and Complete Alternative Models

  1. RT9285CGQX: Similar specifications and features, but available in a different package (SOT-23-5).
  2. RT9285DGQW: Higher maximum output current of 1A, suitable for applications with higher power requirements.
  3. RT9285BGQW: Lower quiescent current of 20µA, ideal for battery-powered devices requiring minimal standby power consumption.

(Note: This list is not exhaustive and other alternative models may exist.)

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de RT9285CGQW em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of RT9285CGQW in technical solutions:

  1. Question: What is RT9285CGQW?
    - Answer: RT9285CGQW is a voltage regulator IC (integrated circuit) commonly used in technical solutions.

  2. Question: What is the input voltage range supported by RT9285CGQW?
    - Answer: The input voltage range supported by RT9285CGQW is typically between 2.5V and 5.5V.

  3. Question: What is the output voltage range provided by RT9285CGQW?
    - Answer: RT9285CGQW can provide a fixed output voltage of either 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, or 5.0V, depending on the specific variant.

  4. Question: What is the maximum output current that RT9285CGQW can handle?
    - Answer: RT9285CGQW can handle a maximum output current of up to 150mA.

  5. Question: Is RT9285CGQW suitable for battery-powered applications?
    - Answer: Yes, RT9285CGQW is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.

  6. Question: Can RT9285CGQW operate in a wide temperature range?
    - Answer: Yes, RT9285CGQW is designed to operate in a wide temperature range, typically from -40°C to +85°C.

  7. Question: Does RT9285CGQW have built-in protection features?
    - Answer: Yes, RT9285CGQW includes built-in protection features such as overcurrent protection, thermal shutdown, and reverse current protection.

  8. Question: Can RT9285CGQW be used in automotive applications?
    - Answer: Yes, RT9285CGQW is suitable for automotive applications as it meets the AEC-Q100 Grade 1 qualification standards.

  9. Question: What is the package type of RT9285CGQW?
    - Answer: RT9285CGQW is available in a SOT-25 package, which is a small surface-mount package with 5 pins.

  10. Question: Are there any application notes or reference designs available for RT9285CGQW?
    - Answer: Yes, the manufacturer provides application notes and reference designs that can help in implementing RT9285CGQW in various technical solutions.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements of RT9285CGQW.