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ISL6566IRZA-T
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ISL6566IRZA-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: QFN (Quad Flat No-leads)

Essence: The ISL6566IRZA-T is a voltage regulator IC designed for high-efficiency power management applications.

Packaging/Quantity: The ISL6566IRZA-T is available in a QFN package and is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 24V
  • Output Voltage Range: 0.6V to 5.5V
  • Maximum Output Current: 20A
  • Switching Frequency: 300kHz to 1MHz
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL6566IRZA-T has a total of 32 pins. Here is the detailed pin configuration:

  1. VIN: Input voltage
  2. GND: Ground
  3. VCC: Power supply voltage
  4. FB: Feedback voltage
  5. COMP: Compensation pin
  6. SS: Soft-start control
  7. PGND: Power ground
  8. BOOT: Bootstrap capacitor connection
  9. PHASE: Phase node connection
  10. LGATE: Low-side gate driver output
  11. PGATE: Power ground for gate driver
  12. UGATE: High-side gate driver output
  13. VSENSE: Current sense input
  14. ISENSE: Current sense input
  15. VDRV: Gate driver supply voltage
  16. VDD: Digital supply voltage
  17. VREF: Reference voltage
  18. RT: Timing resistor connection
  19. CT: Timing capacitor connection
  20. SS/TRK: Soft-start/tracking control

Functional Features

  • Integrated high-side and low-side gate drivers
  • Adjustable soft-start time
  • Overcurrent protection with adjustable threshold
  • Thermal shutdown protection
  • Voltage tracking capability
  • Adaptive dead-time control

Advantages and Disadvantages

Advantages: - High efficiency for power management applications - Wide input voltage range allows for versatile use - Adjustable output voltage provides flexibility - Overcurrent and thermal shutdown protection ensure safety - Integrated gate drivers simplify circuit design

Disadvantages: - Limited maximum output current of 20A - Requires external timing resistor and capacitor for operation

Working Principles

The ISL6566IRZA-T operates as a voltage regulator by controlling the switching of power MOSFETs to regulate the output voltage. It uses feedback from the output voltage to adjust the duty cycle of the switching waveform, ensuring the desired output voltage is maintained. The integrated gate drivers provide the necessary signals to drive the power MOSFETs efficiently.

Detailed Application Field Plans

The ISL6566IRZA-T is commonly used in various power management applications, including: - DC-DC converters - Voltage regulators - Power supplies - Battery charging circuits

Its wide input voltage range, adjustable output voltage, and high efficiency make it suitable for a wide range of applications requiring stable and regulated power delivery.

Detailed and Complete Alternative Models

  • ISL6566IRZ
  • ISL6566IRZ-T7A
  • ISL6566IRZ-T13A
  • ISL6566IRZ-T14A
  • ISL6566IRZ-T15A

These alternative models offer similar functionality and characteristics to the ISL6566IRZA-T, providing options for different package types or quantity requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de ISL6566IRZA-T en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of ISL6566IRZA-T in technical solutions:

  1. Q: What is ISL6566IRZA-T? A: ISL6566IRZA-T is a high-performance dual synchronous buck controller designed for advanced CPU power delivery in desktop and notebook applications.

  2. Q: What is the input voltage range of ISL6566IRZA-T? A: The input voltage range of ISL6566IRZA-T is typically between 4.5V and 24V.

  3. Q: What is the output voltage range of ISL6566IRZA-T? A: The output voltage range of ISL6566IRZA-T can be adjusted from 0.6V to 5.5V.

  4. Q: What is the maximum output current supported by ISL6566IRZA-T? A: ISL6566IRZA-T can support a maximum output current of up to 30A per phase.

  5. Q: Can ISL6566IRZA-T operate in a multi-phase configuration? A: Yes, ISL6566IRZA-T can operate in a multi-phase configuration, allowing for higher output currents and improved efficiency.

  6. Q: Does ISL6566IRZA-T have any built-in protection features? A: Yes, ISL6566IRZA-T includes various protection features such as overcurrent protection (OCP), overvoltage protection (OVP), and thermal shutdown.

  7. Q: What is the switching frequency of ISL6566IRZA-T? A: The switching frequency of ISL6566IRZA-T is typically set at 300kHz, but it can be adjusted using external components.

  8. Q: Can ISL6566IRZA-T be used in both synchronous and non-synchronous buck converter designs? A: Yes, ISL6566IRZA-T can be used in both synchronous and non-synchronous buck converter designs.

  9. Q: Does ISL6566IRZA-T support voltage positioning? A: Yes, ISL6566IRZA-T supports voltage positioning, which helps to improve transient response and reduce output voltage droop during load changes.

  10. Q: What is the package type of ISL6566IRZA-T? A: ISL6566IRZA-T is available in a 40-lead QFN (Quad Flat No-Lead) package.