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ISL81334IBZ-T
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ISL81334IBZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: TO-220

Essence: The ISL81334IBZ-T is a voltage regulator IC designed for various applications that require stable and regulated power supply.

Packaging/Quantity: The ISL81334IBZ-T is typically sold in reels containing 250 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 20V
  • Output Voltage Range: 0.8V to 18V
  • Output Current: Up to 3A
  • Dropout Voltage: 300mV at 3A
  • Quiescent Current: 120µA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ISL81334IBZ-T has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for adjusting the output voltage
  4. EN: Enable pin for turning the regulator on/off
  5. VOUT: Output voltage pin

Functional Features

  • High Efficiency: The ISL81334IBZ-T offers high efficiency, minimizing power loss during voltage regulation.
  • Low Dropout Voltage: With a low dropout voltage of 300mV at 3A, the IC can maintain a stable output even when the input voltage is close to the desired output voltage.
  • Adjustable Output Voltage: The feedback pin allows users to adjust the output voltage according to their specific requirements.
  • Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
  • Thermal Shutdown Protection: In case of excessive temperature, the thermal shutdown feature activates to prevent damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss - Adjustable output voltage provides flexibility - Overcurrent and thermal protection enhance reliability

Disadvantages: - Limited output current capacity (up to 3A) - Requires external components for proper operation

Working Principles

The ISL81334IBZ-T operates as a linear voltage regulator. It regulates the output voltage by comparing it with a reference voltage and adjusting the pass transistor accordingly. The feedback pin allows users to set the desired output voltage. The IC continuously monitors the input and output voltages, ensuring stable regulation even under varying load conditions.

Detailed Application Field Plans

The ISL81334IBZ-T finds applications in various fields, including but not limited to: 1. Power supplies for industrial equipment 2. Automotive electronics 3. Telecommunications devices 4. Consumer electronics 5. Medical devices

Detailed and Complete Alternative Models

  1. LM317: A popular adjustable linear voltage regulator with similar features.
  2. LT1086: Another high-performance linear voltage regulator suitable for various applications.
  3. TPS7A47: A low-dropout voltage regulator offering high accuracy and low noise.

These alternative models provide similar functionality and can be considered as substitutes for the ISL81334IBZ-T depending on specific requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de ISL81334IBZ-T dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of ISL81334IBZ-T in technical solutions:

  1. Q: What is ISL81334IBZ-T? A: ISL81334IBZ-T is a high-performance, synchronous buck controller IC designed for various power supply applications.

  2. Q: What is the input voltage range supported by ISL81334IBZ-T? A: The input voltage range supported by ISL81334IBZ-T is typically between 4.5V and 25V.

  3. Q: What is the output voltage range that can be achieved using ISL81334IBZ-T? A: The output voltage range achievable with ISL81334IBZ-T depends on the external components used, but it can typically range from 0.6V to 5.5V.

  4. Q: Can ISL81334IBZ-T handle high current loads? A: Yes, ISL81334IBZ-T is capable of handling high current loads, with a maximum continuous output current of up to 20A.

  5. Q: Does ISL81334IBZ-T support adjustable switching frequency? A: Yes, ISL81334IBZ-T supports adjustable switching frequency, allowing users to optimize efficiency and performance based on their specific requirements.

  6. Q: Is ISL81334IBZ-T suitable for battery-powered applications? A: Yes, ISL81334IBZ-T is suitable for battery-powered applications as it offers excellent efficiency and low quiescent current, helping to extend battery life.

  7. Q: Can ISL81334IBZ-T operate in a wide temperature range? A: Yes, ISL81334IBZ-T is designed to operate in a wide temperature range, typically from -40°C to 125°C.

  8. Q: Does ISL81334IBZ-T have built-in protection features? A: Yes, ISL81334IBZ-T incorporates various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  9. Q: Can ISL81334IBZ-T be used in automotive applications? A: Yes, ISL81334IBZ-T is suitable for automotive applications as it meets the necessary automotive standards and has a wide input voltage range.

  10. Q: What package options are available for ISL81334IBZ-T? A: ISL81334IBZ-T is available in a 16-lead SOIC package, making it easy to integrate into different PCB designs.

Please note that these answers are general and may vary based on specific application requirements.