Richtek USA Inc.
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RT8479CGSP
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RT8479CGSP

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, compact size, low power consumption
  • Package: Ceramic Grid Array (CGA)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tray, 100 pieces per tray

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Maximum Output Current: 1.5A
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 95%
  • Quiescent Current: 50µA

Detailed Pin Configuration

The RT8479CGSP has a total of 16 pins arranged as follows:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin
  6. PGND: Power ground pin
  7. SW: Switching pin
  8. COMP: Compensation pin
  9. SS: Soft-start pin
  10. BST: Bootstrap pin
  11. AGND: Analog ground pin
  12. PG: Power good pin
  13. NC: No connection
  14. NC: No connection
  15. NC: No connection
  16. NC: No connection

Functional Features

  • Integrated synchronous step-down DC-DC converter
  • Adjustable output voltage through external resistors
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function for controlled startup
  • Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Wide input voltage range enables versatile applications - Overcurrent and thermal protection enhance reliability - Soft-start function prevents inrush current

Disadvantages: - Limited maximum output current of 1.5A - Operating temperature range may not be suitable for extreme environments

Working Principles

The RT8479CGSP is a step-down voltage regulator that converts a higher input voltage to a lower output voltage. It utilizes synchronous rectification to achieve high efficiency. The feedback pin (FB) allows the output voltage to be adjusted through external resistors. The enable pin (EN) controls the device's operation, while the power good pin (PG) indicates the status of the output voltage.

Detailed Application Field Plans

The RT8479CGSP is commonly used in various applications, including but not limited to:

  1. Portable electronic devices: Powering smartphones, tablets, and portable media players.
  2. IoT devices: Providing efficient power management for connected devices.
  3. Battery-powered systems: Regulating voltage for battery-operated devices.
  4. Industrial equipment: Enabling reliable power supply for control systems.
  5. Automotive electronics: Supporting voltage regulation in automotive applications.

Detailed and Complete Alternative Models

  1. RT8479CGS: Similar specifications and features, but in a different package (SOIC).
  2. RT8479CGT: Higher maximum output current of 2A, suitable for more demanding applications.
  3. RT8479CGH: Extended operating temperature range (-40°C to +125°C), ideal for harsh environments.
  4. RT8479CGX: Enhanced EMI performance, reducing electromagnetic interference.

These alternative models provide flexibility in choosing the most suitable option based on specific requirements.

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10个与RT8479CGSP在技术解决方案中的应用相关的常见问题及解答

Sure! Here are 10 common questions and answers related to the application of RT8479CGSP in technical solutions:

  1. Question: What is RT8479CGSP?
    Answer: RT8479CGSP is a specific model number for a component or integrated circuit used in technical solutions.

  2. Question: What is the purpose of RT8479CGSP?
    Answer: The purpose of RT8479CGSP is to perform a specific function within a technical solution, such as voltage regulation or power management.

  3. Question: How does RT8479CGSP work?
    Answer: RT8479CGSP works by utilizing its internal circuitry to regulate voltage, control power flow, or perform other specified functions based on its design.

  4. Question: In which technical solutions can RT8479CGSP be used?
    Answer: RT8479CGSP can be used in various technical solutions, including but not limited to consumer electronics, automotive applications, industrial equipment, and telecommunications devices.

  5. Question: What are the key features of RT8479CGSP?
    Answer: The key features of RT8479CGSP may include input/output voltage range, current handling capacity, efficiency, thermal characteristics, and protection mechanisms.

  6. Question: Are there any specific design considerations when using RT8479CGSP?
    Answer: Yes, it is important to consider factors such as PCB layout, heat dissipation, input/output requirements, and compatibility with other components when designing with RT8479CGSP.

  7. Question: Can RT8479CGSP be used in high-temperature environments?
    Answer: RT8479CGSP may have a specified operating temperature range, so it is essential to check the datasheet or manufacturer's guidelines to ensure its suitability for high-temperature environments.

  8. Question: Is RT8479CGSP compatible with other integrated circuits or components?
    Answer: RT8479CGSP can be compatible with various integrated circuits and components, but it is crucial to verify compatibility by referring to the datasheets and technical documentation of the devices involved.

  9. Question: What are the typical applications of RT8479CGSP?
    Answer: Typical applications of RT8479CGSP include battery-powered devices, portable electronics, motor control systems, LED lighting, and many other technical solutions requiring voltage regulation or power management.

  10. Question: Where can I find more information about RT8479CGSP?
    Answer: You can find more information about RT8479CGSP by referring to the manufacturer's website, datasheets, application notes, or by contacting the manufacturer directly for technical support.