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ISL6522ACB-T
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ISL6522ACB-T

Product Overview

Category

The ISL6522ACB-T belongs to the category of voltage regulator ICs.

Use

It is commonly used in power management applications, particularly in voltage regulation for electronic devices and systems.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Low dropout voltage
  • Overcurrent protection
  • Thermal shutdown protection

Package

The ISL6522ACB-T is available in a compact and industry-standard 16-pin SOIC package.

Essence

This IC is essential for maintaining stable and regulated voltage levels within electronic circuits, ensuring reliable operation of connected components.

Packaging/Quantity

The ISL6522ACB-T is typically supplied in reels containing a specific quantity, as per the manufacturer's packaging standards.

Specifications

  • Input Voltage Range: 4.5V to 25V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 3A
  • Operating Temperature Range: -40°C to 85°C
  • Dropout Voltage: 300mV at 1A
  • Quiescent Current: 120µA

Detailed Pin Configuration

The detailed pin configuration for the ISL6522ACB-T is as follows: 1. VIN (Input Voltage) 2. GND (Ground) 3. FB (Feedback) 4. COMP (Compensation) 5. SS/TRK (Soft-Start/Tracking) 6. VCC (Voltage Input) 7. PGND (Power Ground) 8. BOOT (Bootstrap) 9. PHASE (Phase Node) 10. LGATE (Low-Side Gate Driver) 11. PGATE (Power Gate Driver) 12. RT/CLK (Timing Resistor/Clock) 13. SYNC (Synchronization) 14. OCSET (Overcurrent Set) 15. SS/TRK (Soft-Start/Tracking) 16. VCC (Voltage Input)

Functional Features

  • Integrated high-side and low-side FET drivers
  • Adjustable output voltage
  • Soft-start and tracking capability
  • Synchronization for multi-phase operation
  • Overcurrent protection with adjustable threshold
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power dissipation
  • Wide input voltage range allows for versatile applications
  • Comprehensive protection features enhance system reliability

Disadvantages

  • Higher cost compared to basic linear regulators
  • Requires careful PCB layout and thermal management due to higher power dissipation

Working Principles

The ISL6522ACB-T operates by regulating the output voltage based on the feedback received from the connected load. It utilizes pulse-width modulation (PWM) control to adjust the duty cycle of the internal FETs, thereby maintaining the desired output voltage level.

Detailed Application Field Plans

The ISL6522ACB-T is well-suited for various applications, including: - Point-of-load voltage regulation in computer systems - Industrial automation equipment - Telecommunication infrastructure - Automotive electronics - Renewable energy systems

Detailed and Complete Alternative Models

Some alternative models to the ISL6522ACB-T include: - LM2675 - LT1083 - TPS5430

In conclusion, the ISL6522ACB-T is a versatile and efficient voltage regulator IC that offers a wide range of features suitable for diverse power management applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de ISL6522ACB-T en soluciones técnicas

  1. What is the ISL6522ACB-T?

    • The ISL6522ACB-T is a highly integrated single-phase PWM controller designed for applications such as voltage regulator modules (VRMs) and embedded DC-DC converters.

  2. What is the input voltage range of the ISL6522ACB-T?

    • The ISL6522ACB-T has an input voltage range of 4.5V to 28V, making it suitable for a wide variety of power supply designs.

  3. What is the output current capability of the ISL6522ACB-T?

    • The ISL6522ACB-T can support output currents up to 25A, making it suitable for powering a range of electronic devices and systems.

  4. What are the key features of the ISL6522ACB-T?

    • Some key features of the ISL6522ACB-T include integrated MOSFET drivers, programmable switching frequency, overcurrent protection, and thermal shutdown.

  5. How does the ISL6522ACB-T handle overcurrent protection?

    • The ISL6522ACB-T incorporates overcurrent protection through cycle-by-cycle current limiting, helping to safeguard the system from excessive current draw.

  6. Can the ISL6522ACB-T be used in synchronous buck converter applications?

    • Yes, the ISL6522ACB-T is well-suited for synchronous buck converter applications, offering high efficiency and precise control over the output voltage.

  7. What type of compensation network does the ISL6522ACB-T support?

    • The ISL6522ACB-T supports both voltage mode and current mode control, providing flexibility in designing the compensation network based on the specific application requirements.

  8. Does the ISL6522ACB-T offer fault protection features?

    • Yes, the ISL6522ACB-T includes comprehensive fault protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown to ensure system reliability.

  9. What is the typical operating temperature range of the ISL6522ACB-T?

    • The ISL6522ACB-T typically operates within a temperature range of -40°C to 85°C, allowing for reliable performance in various environmental conditions.

  10. Are there any application notes or reference designs available for the ISL6522ACB-T?

    • Yes, Intersil provides application notes and reference designs to assist engineers in implementing the ISL6522ACB-T in their technical solutions, offering valuable guidance and best practices.