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ISL6247CR

ISL6247CR

Product Overview

Category

ISL6247CR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

The ISL6247CR is primarily used for voltage regulation in various electronic devices and systems.

Characteristics

  • High efficiency: The ISL6247CR offers high conversion efficiency, minimizing power losses.
  • Wide input voltage range: It can handle a wide range of input voltages, making it suitable for different applications.
  • Low output voltage ripple: The IC ensures stable and clean output voltage with minimal ripple.
  • Overcurrent protection: It incorporates overcurrent protection to safeguard the connected components.
  • Thermal shutdown: The ISL6247CR includes thermal shutdown functionality to prevent overheating.

Package

The ISL6247CR is available in a compact and industry-standard package, allowing for easy integration into circuit designs.

Essence

The essence of the ISL6247CR lies in its ability to efficiently regulate voltage, ensuring stable and reliable power supply to connected devices.

Packaging/Quantity

The ISL6247CR is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 4A
  • Switching Frequency: 300kHz to 1MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL6247CR features the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for voltage regulation
  4. COMP: Compensation pin for stability control
  5. EN: Enable pin for turning the IC on/off
  6. PG: Power Good pin indicating output voltage status
  7. VCC: Supply voltage pin for internal circuitry
  8. LX: Switching node pin for power transfer

Functional Features

  • Voltage Regulation: The ISL6247CR provides precise voltage regulation, ensuring a stable output voltage.
  • Current Limiting: It incorporates current limiting functionality to protect the connected components from excessive current.
  • Soft-Start: The IC includes a soft-start feature to gradually ramp up the output voltage, reducing stress on the system during startup.
  • Overtemperature Protection: The ISL6247CR monitors its own temperature and activates thermal shutdown if it exceeds safe limits.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Wide input voltage range allows for versatile applications.
  • Low output voltage ripple ensures clean power supply.
  • Overcurrent protection safeguards connected components.
  • Thermal shutdown prevents overheating.

Disadvantages

  • Limited maximum output current of 4A may not be suitable for high-power applications.
  • Operating temperature range of -40°C to +85°C may restrict usage in extreme environments.

Working Principles

The ISL6247CR operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the internal switching transistor. This control mechanism ensures that the desired output voltage is maintained within specified tolerances.

Detailed Application Field Plans

The ISL6247CR finds applications in various fields, including but not limited to: 1. Consumer electronics: Power management in smartphones, tablets, and laptops. 2. Industrial automation: Voltage regulation in control systems and motor drives. 3. Automotive electronics: Power supply for infotainment systems and advanced driver-assistance systems (ADAS). 4. Telecommunications: Voltage regulation in networking equipment and base stations. 5. Renewable energy: Power management in solar inverters and wind turbines.

Detailed and Complete Alternative Models

  1. ISL6259CR
  2. ISL6260CR
  3. ISL62882CR
  4. ISL6292CR
  5. ISL6312CR

These alternative models offer similar functionality and can be considered as substitutes for the ISL6247CR in various applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van ISL6247CR in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of ISL6247CR in technical solutions:

  1. Q: What is ISL6247CR? A: ISL6247CR is a highly integrated dual-output controller designed for use in notebook power supply systems.

  2. Q: What are the main features of ISL6247CR? A: The main features of ISL6247CR include dual synchronous buck PWM controllers, integrated gate drivers, programmable switching frequency, and comprehensive protection features.

  3. Q: What is the input voltage range supported by ISL6247CR? A: ISL6247CR supports an input voltage range of 4.5V to 25V.

  4. Q: What is the output voltage range supported by ISL6247CR? A: ISL6247CR supports an output voltage range of 0.6V to 5.5V.

  5. Q: Can ISL6247CR support multiple output voltages? A: Yes, ISL6247CR can support two independent output voltages.

  6. Q: What is the maximum output current supported by ISL6247CR? A: The maximum output current supported by ISL6247CR is typically 20A per channel.

  7. Q: Does ISL6247CR have any built-in protection features? A: Yes, ISL6247CR includes protection features such as overcurrent protection, overvoltage protection, undervoltage lockout, and thermal shutdown.

  8. Q: Can ISL6247CR operate in a wide temperature range? A: Yes, ISL6247CR is designed to operate in a temperature range of -40°C to +85°C.

  9. Q: What type of package does ISL6247CR come in? A: ISL6247CR is available in a 40-lead QFN package.

  10. Q: What are some typical applications of ISL6247CR? A: Some typical applications of ISL6247CR include notebook power supplies, embedded systems, and other low-voltage, high-current power supply designs.

Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of your technical solution.