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ISL6558IR-T
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ISL6558IR-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low power consumption - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: QFN (Quad Flat No-leads)

Essence: The ISL6558IR-T is a voltage regulator IC designed for various applications that require stable and regulated power supply.

Packaging/Quantity: The ISL6558IR-T is available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.6V to 5.5V
  • Maximum Output Current: 8A
  • Switching Frequency: 300kHz to 1MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL6558IR-T has the following pin configuration:

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

Functional Features

  • Wide input voltage range allows for versatile applications.
  • Adjustable output voltage provides flexibility in meeting specific requirements.
  • Overcurrent protection safeguards against excessive current flow.
  • Thermal shutdown protection prevents damage due to overheating.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range accommodates various power sources. - Adjustable output voltage allows for customization. - Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages: - Limited maximum output current of 8A may not be suitable for high-power applications. - Switching frequency range may not be optimal for all designs.

Working Principles

The ISL6558IR-T operates as a pulse-width modulation (PWM) voltage regulator. It uses feedback control to maintain a stable output voltage by adjusting the duty cycle of the switching transistor. The internal circuitry monitors the output voltage and compares it with the desired value set by the user. Any deviation from the set voltage triggers the regulator to adjust the duty cycle accordingly, ensuring a regulated output.

Detailed Application Field Plans

The ISL6558IR-T is commonly used in the following applications:

  1. Power supplies for computer systems
  2. Industrial automation equipment
  3. Telecommunications devices
  4. Automotive electronics
  5. LED lighting systems

Detailed and Complete Alternative Models

  1. ISL6558IRZ-T
  2. ISL6558IRZ
  3. ISL6558IRZ-T7A
  4. ISL6558IRZ-T13A
  5. ISL6558IRZ-TK

These alternative models offer similar functionality and specifications to the ISL6558IR-T, providing options for different package types or quantities.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de ISL6558IR-T en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of ISL6558IR-T in technical solutions:

  1. Q: What is the ISL6558IR-T? A: The ISL6558IR-T is a synchronous buck controller IC designed for high-performance power supply applications.

  2. Q: What is the input voltage range of the ISL6558IR-T? A: The ISL6558IR-T has an input voltage range of 4.5V to 24V.

  3. Q: What is the output voltage range of the ISL6558IR-T? A: The ISL6558IR-T can support output voltages as low as 0.6V and up to 85% of the input voltage.

  4. Q: What is the maximum output current of the ISL6558IR-T? A: The ISL6558IR-T can handle a maximum output current of 25A.

  5. Q: Does the ISL6558IR-T require an external MOSFET? A: Yes, the ISL6558IR-T requires an external N-channel MOSFET for operation.

  6. Q: Can the ISL6558IR-T be used in multiphase configurations? A: Yes, the ISL6558IR-T supports multiphase operation for higher current applications.

  7. Q: What is the switching frequency range of the ISL6558IR-T? A: The ISL6558IR-T has a programmable switching frequency range from 100kHz to 1MHz.

  8. Q: Does the ISL6558IR-T have overcurrent protection? A: Yes, the ISL6558IR-T features cycle-by-cycle overcurrent protection to ensure safe operation.

  9. Q: Can the ISL6558IR-T operate in a wide temperature range? A: Yes, the ISL6558IR-T is designed to operate in a temperature range of -40°C to 85°C.

  10. Q: What are the typical applications of the ISL6558IR-T? A: The ISL6558IR-T is commonly used in various power supply applications such as servers, telecom equipment, industrial systems, and high-performance computing.

Please note that these answers are general and may vary depending on specific design considerations and requirements.