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ISL78420ARTAZ
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ISL78420ARTAZ

Product Overview

Category

ISL78420ARTAZ belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for power management applications.

Characteristics

  • High efficiency
  • Low quiescent current
  • Wide input voltage range
  • Overvoltage and overcurrent protection
  • Thermal shutdown protection

Package

ISL78420ARTAZ is available in a small outline package (SOP) with 16 pins.

Essence

The essence of ISL78420ARTAZ lies in its ability to efficiently manage power in various applications while offering protection against overvoltage, overcurrent, and thermal issues.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 1.2V to 57V
  • Quiescent Current: 25µA
  • Operating Temperature Range: -40°C to +125°C
  • Switching Frequency: 500kHz

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. SW: Switching node pin
  4. FB: Feedback pin
  5. EN: Enable pin
  6. SS/TR: Soft-start/Tracking pin
  7. VCC: Supply voltage pin
  8. PGND: Power ground pin
  9. COMP: Compensation pin
  10. SS/TR: Soft-start/Tracking pin
  11. PGND: Power ground pin
  12. VCC: Supply voltage pin
  13. FB: Feedback pin
  14. SW: Switching node pin
  15. GND: Ground pin
  16. VIN: Input voltage pin

Functional Features

  • Integrated high-side and low-side MOSFETs
  • Adjustable output voltage
  • Overvoltage protection
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start and tracking capability

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power dissipation
  • Wide input voltage range allows for versatile applications
  • Comprehensive protection features ensure system reliability
  • Compact package size enables space-saving designs

Disadvantages

  • Limited output current capacity
  • Higher cost compared to non-integrated solutions

Working Principles

ISL78420ARTAZ operates as a buck converter, converting a higher input voltage to a lower output voltage. It utilizes high-side and low-side MOSFETs to regulate the output voltage based on feedback from the FB pin. The integrated protection features safeguard against overvoltage, overcurrent, and thermal issues.

Detailed Application Field Plans

ISL78420ARTAZ finds application in various fields, including but not limited to: 1. Automotive electronics 2. Industrial automation 3. Telecommunications 4. Power supplies 5. LED lighting systems

Detailed and Complete Alternative Models

  1. ISL78220ARTAZ: Similar specifications and features, but with a different pin configuration.
  2. ISL78320ARTAZ: Higher output current capacity, suitable for more demanding applications.
  3. ISL78120ARTAZ: Lower cost alternative with slightly reduced specifications.

Note: These alternative models are suggested based on similar functionality and characteristics, but it is recommended to refer to the respective datasheets for detailed specifications and pin configurations.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням ISL78420ARTAZ у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of ISL78420ARTAZ in technical solutions:

  1. Q: What is ISL78420ARTAZ? A: ISL78420ARTAZ is a high-performance, quad-output power supply controller designed for automotive applications.

  2. Q: What are the key features of ISL78420ARTAZ? A: The key features include wide input voltage range, high efficiency, low quiescent current, adjustable output voltages, and overvoltage/undervoltage protection.

  3. Q: What are the typical applications of ISL78420ARTAZ? A: ISL78420ARTAZ is commonly used in automotive systems such as infotainment systems, instrument clusters, advanced driver-assistance systems (ADAS), and lighting control modules.

  4. Q: How many outputs does ISL78420ARTAZ support? A: ISL78420ARTAZ supports four independent outputs, which can be configured as either buck or boost converters.

  5. Q: What is the maximum input voltage supported by ISL78420ARTAZ? A: The maximum input voltage supported by ISL78420ARTAZ is typically 42V.

  6. Q: Can ISL78420ARTAZ operate in harsh automotive environments? A: Yes, ISL78420ARTAZ is designed to operate in harsh automotive environments, with a wide temperature range and robust protection features.

  7. Q: Is ISL78420ARTAZ capable of providing accurate output voltage regulation? A: Yes, ISL78420ARTAZ incorporates feedback control loops to provide accurate output voltage regulation under varying load conditions.

  8. Q: Does ISL78420ARTAZ have any built-in protection features? A: Yes, ISL78420ARTAZ includes protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

  9. Q: Can ISL78420ARTAZ be used in battery-powered applications? A: Yes, ISL78420ARTAZ can be used in battery-powered applications, thanks to its low quiescent current and high efficiency.

  10. Q: Is there any evaluation board available for ISL78420ARTAZ? A: Yes, Intersil provides an evaluation board (ISL78420EVAL1Z) that allows users to test and evaluate the performance of ISL78420ARTAZ in their specific applications.

Please note that the answers provided here are general and may vary depending on the specific requirements and use cases. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.