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ISL81387IBZ
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ISL81387IBZ

Product Overview

Category

ISL81387IBZ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management applications.

Characteristics

  • Integrated circuit
  • Power management functionality
  • High efficiency
  • Compact size

Package

ISL81387IBZ is available in a small outline package (SOIC) format.

Essence

The essence of ISL81387IBZ lies in its ability to efficiently manage power in electronic devices, ensuring optimal performance and reliability.

Packaging/Quantity

ISL81387IBZ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.8V to 6V
  • Maximum Continuous Output Current: 3A
  • Switching Frequency: 500kHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ISL81387IBZ features the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin
  4. EN: Enable pin
  5. SS/TR: Soft-start/Tracking pin
  6. PGND: Power ground pin
  7. VCC: Supply voltage pin
  8. LX: Switching node pin

Functional Features

  • Wide input voltage range allows compatibility with various power sources.
  • High-efficiency design minimizes power loss and maximizes energy conversion.
  • Adjustable output voltage enables flexibility in different applications.
  • Soft-start feature ensures smooth power-up without excessive current surges.
  • Overcurrent protection safeguards the device and connected components.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Compact size allows for space-saving integration in electronic devices.
  • Wide input voltage range enhances versatility.
  • Overcurrent protection ensures device and system safety.

Disadvantages

  • Limited maximum continuous output current may restrict usage in high-power applications.
  • Operating temperature range may not be suitable for extreme environments.

Working Principles

ISL81387IBZ operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) to regulate the output voltage. The input voltage is converted into a high-frequency signal, which is then filtered and regulated to provide a stable output voltage.

Detailed Application Field Plans

ISL81387IBZ finds application in various electronic devices, including but not limited to: - Laptops and notebooks - Desktop computers - Servers - Telecommunications equipment - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

  1. ISL81387IAZ: Similar to ISL81387IBZ, but available in a different package format (QFN).
  2. ISL81387IRZ: Similar to ISL81387IBZ, but with extended operating temperature range (-40°C to +125°C).
  3. ISL81387ICPZ: Similar to ISL81387IBZ, but with additional integrated protection features.

These alternative models offer similar functionality and can be considered as substitutes for ISL81387IBZ depending on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL81387IBZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL81387IBZ in technical solutions:

  1. Q: What is ISL81387IBZ? A: ISL81387IBZ is a high-performance, dual-output synchronous buck controller IC used in power management applications.

  2. Q: What are the key features of ISL81387IBZ? A: The key features include wide input voltage range, high efficiency, adjustable switching frequency, integrated MOSFET drivers, and comprehensive protection features.

  3. Q: What is the typical application of ISL81387IBZ? A: ISL81387IBZ is commonly used in various power management applications such as telecom infrastructure, industrial equipment, servers, and networking devices.

  4. Q: What is the maximum input voltage supported by ISL81387IBZ? A: The maximum input voltage supported by ISL81387IBZ is typically around 24V.

  5. Q: How many outputs can ISL81387IBZ provide? A: ISL81387IBZ is a dual-output controller, meaning it can provide two independent regulated outputs.

  6. Q: Can ISL81387IBZ support synchronous rectification? A: Yes, ISL81387IBZ supports synchronous rectification for improved efficiency.

  7. Q: Is ISL81387IBZ capable of adjustable switching frequency? A: Yes, ISL81387IBZ allows users to adjust the switching frequency according to their specific requirements.

  8. Q: What protection features are available in ISL81387IBZ? A: ISL81387IBZ offers comprehensive protection features including overvoltage protection, undervoltage lockout, overcurrent protection, and thermal shutdown.

  9. Q: Can ISL81387IBZ operate in a wide temperature range? A: Yes, ISL81387IBZ is designed to operate reliably in a wide temperature range, typically from -40°C to 85°C.

  10. Q: What package options are available for ISL81387IBZ? A: ISL81387IBZ is available in a small footprint 20-lead QSOP package, which is suitable for space-constrained applications.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements.