Richtek USA Inc.
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RT8497GS
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RT8497GS

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: Surface Mount Technology (SMT)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to 3.6V
  • Maximum Output Current: 1.5A
  • Quiescent Current: 30µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT8497GS has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. EN: Enable Pin
  4. FB: Feedback Pin
  5. SW: Switching Node
  6. PG: Power Good Indicator

Functional Features

  • High Efficiency: The RT8497GS utilizes advanced power management techniques to achieve high efficiency levels.
  • Low Power Consumption: The quiescent current of only 30µA ensures minimal power consumption when the device is in standby mode.
  • Power Good Indicator: The PG pin provides a signal indicating the output voltage is within the specified range.

Advantages and Disadvantages

Advantages

  • High efficiency results in reduced power dissipation and longer battery life.
  • Wide input voltage range allows for compatibility with various power sources.
  • Small package size enables space-saving designs.
  • Power Good indicator enhances system reliability.

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications.
  • Operating temperature range may restrict usage in extreme environments.

Working Principles

The RT8497GS is a voltage regulator that takes an input voltage within the range of 2.7V to 5.5V and provides a regulated output voltage between 0.6V and 3.6V. It achieves this by utilizing a switching regulator topology, which efficiently converts the input voltage to the desired output voltage.

The device incorporates various control mechanisms to maintain stable output voltage despite changes in input voltage or load conditions. These mechanisms include feedback control, current limiting, and thermal protection.

Detailed Application Field Plans

The RT8497GS is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices. Its compact size, high efficiency, and low power consumption make it ideal for battery-powered applications.

Additionally, the voltage regulator can be employed in industrial automation systems, IoT devices, and other applications that require stable and efficient power management.

Detailed and Complete Alternative Models

  • RT8497GSP: Same specifications and features as RT8497GS, but with an exposed pad for improved thermal dissipation.
  • RT8497GSW: Similar to RT8497GS, but with a wider input voltage range of 2.5V to 5.5V.
  • RT8497GSH: Higher maximum output current of 2A, suitable for applications requiring more power.

These alternative models provide flexibility in selecting the most suitable voltage regulator based on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací RT8497GS v technických řešeních

Sure! Here are 10 common questions and answers related to the application of RT8497GS in technical solutions:

  1. Q: What is RT8497GS? A: RT8497GS is a voltage regulator IC (integrated circuit) commonly used in technical solutions to regulate and control power supply voltages.

  2. Q: What are the key features of RT8497GS? A: The key features of RT8497GS include high efficiency, wide input voltage range, adjustable output voltage, overcurrent protection, thermal shutdown, and small package size.

  3. Q: What is the typical input voltage range for RT8497GS? A: The typical input voltage range for RT8497GS is between 4.5V and 18V.

  4. Q: Can RT8497GS be used in battery-powered applications? A: Yes, RT8497GS can be used in battery-powered applications as it supports a wide input voltage range and has low quiescent current consumption.

  5. Q: How does RT8497GS achieve high efficiency? A: RT8497GS achieves high efficiency through its synchronous rectification architecture and low dropout voltage.

  6. Q: Is RT8497GS suitable for automotive applications? A: Yes, RT8497GS is suitable for automotive applications as it meets the necessary requirements such as wide input voltage range, overcurrent protection, and thermal shutdown.

  7. Q: Can RT8497GS handle high current loads? A: Yes, RT8497GS can handle high current loads with its built-in overcurrent protection feature.

  8. Q: How can I adjust the output voltage of RT8497GS? A: The output voltage of RT8497GS can be adjusted by using external resistors connected to the feedback pin.

  9. Q: Does RT8497GS have any built-in protection features? A: Yes, RT8497GS has built-in protection features such as overcurrent protection and thermal shutdown to ensure safe operation.

  10. Q: What is the package size of RT8497GS? A: RT8497GS is available in a small package size, typically in a 3mm x 3mm QFN (Quad Flat No-Lead) package.

Please note that these questions and answers are general and may vary depending on specific application requirements.