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ISL81485IBZ-T
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ISL81485IBZ-T

Product Overview

Category

ISL81485IBZ-T belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • Integrated circuit
  • Power management and control functionality
  • High efficiency
  • Compact size
  • Wide operating voltage range

Package

ISL81485IBZ-T is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of ISL81485IBZ-T lies in its ability to efficiently manage and control power in electronic devices, ensuring optimal performance and reliability.

Packaging/Quantity

ISL81485IBZ-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Maximum Output Current: 1A
  • Quiescent Current: 50µA
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ISL81485IBZ-T has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. SW: Switching pin
  6. PGND: Power ground pin
  7. LX: Inductor connection pin
  8. VOUT: Output voltage pin

Functional Features

  • High-efficiency synchronous buck regulator
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start capability
  • Low quiescent current

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Compact size allows for space-saving designs
  • Wide operating voltage range enables compatibility with various devices
  • Overcurrent and thermal shutdown protection enhance device safety
  • Soft-start capability prevents inrush current

Disadvantages

  • Limited maximum output current (1A)
  • Requires external components for operation

Working Principles

ISL81485IBZ-T operates as a synchronous buck regulator, converting the input voltage to a lower, adjustable output voltage. It utilizes high-frequency switching to efficiently regulate the output voltage while minimizing power losses. The feedback pin (FB) is used to set the desired output voltage, and the enable pin (EN) controls the device's on/off state.

Detailed Application Field Plans

ISL81485IBZ-T finds applications in various electronic devices that require efficient power management and control. Some specific application fields include:

  1. Portable electronic devices (e.g., smartphones, tablets)
  2. Battery-powered devices (e.g., wearables, IoT devices)
  3. Industrial automation systems
  4. Automotive electronics
  5. Power supply modules

Detailed and Complete Alternative Models

  1. ISL81486IBZ-T: Similar to ISL81485IBZ-T but with higher maximum output current (2A).
  2. ISL81487IBZ-T: Similar to ISL81485IBZ-T but with additional features such as adjustable soft-start time and power-good indicator.
  3. ISL81488IBZ-T: Similar to ISL81485IBZ-T but with wider input voltage range (2.7V to 36V).

These alternative models offer similar functionality with slight variations to cater to different requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von ISL81485IBZ-T in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of ISL81485IBZ-T in technical solutions:

  1. Q: What is ISL81485IBZ-T? A: ISL81485IBZ-T is a high-speed, quad-channel digital isolator designed for use in industrial automation, motor control, and other applications requiring robust isolation.

  2. Q: What is the maximum data rate supported by ISL81485IBZ-T? A: ISL81485IBZ-T supports a maximum data rate of 100 Mbps.

  3. Q: Can ISL81485IBZ-T be used in harsh environments? A: Yes, ISL81485IBZ-T is designed to operate reliably in harsh industrial environments with wide temperature ranges and high noise immunity.

  4. Q: How many channels does ISL81485IBZ-T have? A: ISL81485IBZ-T has four independent channels, allowing for multiple signal isolation.

  5. Q: What is the voltage supply range for ISL81485IBZ-T? A: The voltage supply range for ISL81485IBZ-T is typically between 3.0V and 5.5V.

  6. Q: Does ISL81485IBZ-T support bidirectional communication? A: No, ISL81485IBZ-T is unidirectional and can only transmit data in one direction at a time.

  7. Q: Can ISL81485IBZ-T be used with different logic levels? A: Yes, ISL81485IBZ-T is compatible with various logic levels, including TTL, CMOS, and LVCMOS.

  8. Q: What is the isolation voltage rating of ISL81485IBZ-T? A: ISL81485IBZ-T has a high isolation voltage rating of 2.5 kVrms.

  9. Q: Does ISL81485IBZ-T have built-in protection features? A: Yes, ISL81485IBZ-T includes built-in protection features such as thermal shutdown and input/output fault detection.

  10. Q: What package does ISL81485IBZ-T come in? A: ISL81485IBZ-T is available in a small outline SOIC-16 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 ISL81485IBZ-T.