Intersil
Das Bild kann eine Darstellung sein.
Siehe Spezifikationen für Produktdetails.
ISL81483IB-T
Im Detail sehen Datenblätter

ISL81483IB-T

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Wide input voltage range - Multiple protection features

Package: 16-Lead SOIC (Small Outline Integrated Circuit)

Essence: ISL81483IB-T is a power management IC designed for efficient power conversion and management in various electronic devices.

Packaging/Quantity: The ISL81483IB-T is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 55V
  • Maximum Output Current: 3A
  • Switching Frequency: 500kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ISL81483IB-T has the following 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. PG: Power Good pin
  8. VCC: Supply voltage pin
  9. COMP: Compensation pin
  10. ITH: Current limit threshold pin
  11. BOOT: Bootstrap pin
  12. LX: Inductor connection pin
  13. AGND: Analog ground pin
  14. SS/TR: Soft-start/Tracking pin
  15. PG: Power Good pin
  16. VCC: Supply voltage pin

Functional Features

  • Wide input voltage range allows compatibility with various power sources.
  • High efficiency ensures minimal power loss during conversion.
  • Low power consumption helps conserve energy.
  • Multiple protection features such as overvoltage, undervoltage, and overcurrent protection enhance system reliability.
  • Soft-start and tracking functions enable smooth power-up and power-down sequences.

Advantages

  • High efficiency results in reduced power consumption and heat generation.
  • Wide input voltage range allows for versatile applications.
  • Multiple protection features ensure safe operation and protect connected devices.
  • Compact package size enables space-saving designs.
  • Soft-start function prevents excessive inrush current during startup.

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications.
  • Operating temperature range may restrict usage in extreme environments.
  • Requires external components for proper operation, increasing overall system complexity.

Working Principles

The ISL81483IB-T operates as a buck converter, converting a higher input voltage to a lower output voltage. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The IC incorporates a control loop that continuously adjusts the duty cycle of the switching transistor to maintain the desired output voltage.

Detailed Application Field Plans

The ISL81483IB-T is commonly used in various applications, including but not limited to: - Industrial automation systems - Telecommunications equipment - Automotive electronics - Power supplies - LED lighting

Detailed and Complete Alternative Models

Some alternative models to the ISL81483IB-T include: - LM2596: Buck converter IC with similar specifications - LT8610: High-efficiency synchronous buck converter IC - TPS54360: Step-down DC-DC converter IC with integrated MOSFETs

These alternative models offer similar functionality and can be considered based on specific application requirements.

Word count: 410 words

Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von ISL81483IB-T in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of ISL81483IB-T in technical solutions:

  1. Q: What is ISL81483IB-T? A: ISL81483IB-T is a high-speed, quad-channel digital isolator designed for use in industrial applications.

  2. Q: What is the maximum data rate supported by ISL81483IB-T? A: ISL81483IB-T supports a maximum data rate of 100 Mbps per channel.

  3. Q: Can ISL81483IB-T be used in harsh environments? A: Yes, ISL81483IB-T is designed to operate in harsh industrial environments with a wide temperature range and high noise immunity.

  4. Q: How many channels does ISL81483IB-T have? A: ISL81483IB-T has four independent channels, allowing for multiple data transmission paths.

  5. Q: What is the supply voltage range for ISL81483IB-T? A: The supply voltage range for ISL81483IB-T is typically between 3.0V and 5.5V.

  6. Q: Does ISL81483IB-T support bidirectional communication? A: Yes, ISL81483IB-T supports bidirectional communication, allowing data transmission in both directions.

  7. Q: Can ISL81483IB-T be used in safety-critical applications? A: Yes, ISL81483IB-T meets the requirements for functional safety standards such as IEC 61508 and ISO 26262.

  8. Q: What is the isolation voltage rating of ISL81483IB-T? A: ISL81483IB-T has an isolation voltage rating of 2.5 kVrms, providing robust electrical isolation between input and output.

  9. Q: Does ISL81483IB-T have integrated protection features? A: Yes, ISL81483IB-T includes built-in protection features such as thermal shutdown and undervoltage lockout to ensure safe operation.

  10. Q: What is the package type of ISL81483IB-T? A: ISL81483IB-T is available in a small 16-lead QSOP package, making it suitable for space-constrained applications.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of ISL81483IB-T.