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ISL91128IINZ-T7A
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ISL91128IINZ-T7A

Product Overview

Category

ISL91128IINZ-T7A belongs to the category of voltage regulators.

Use

It is commonly used to regulate and control the voltage levels in electronic circuits.

Characteristics

  • High efficiency
  • Low quiescent current
  • Wide input voltage range
  • Small package size
  • Adjustable output voltage

Package

ISL91128IINZ-T7A comes in a small, surface-mount package.

Essence

The essence of ISL91128IINZ-T7A is to provide stable and regulated voltage levels for various electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes and is available in large quantities.

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Maximum Output Current: 1.2A
  • Efficiency: Up to 95%
  • Quiescent Current: 30µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ISL91128IINZ-T7A has the following pin configuration:

  1. VIN: Input voltage pin
  2. EN: Enable pin
  3. PG: Power good indicator pin
  4. FB: Feedback pin
  5. SW: Switching node pin
  6. GND: Ground pin
  7. VOUT: Output voltage pin

Functional Features

  • Integrated synchronous buck-boost converter
  • Automatic mode transition between step-up and step-down operation
  • Soft-start and soft-stop functionality
  • Overcurrent protection
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Wide input voltage range allows for compatibility with various power sources
  • Small package size enables space-saving designs
  • Adjustable output voltage provides flexibility in different applications

Disadvantages

  • Limited maximum output current may not be suitable for high-power devices
  • Requires careful consideration of thermal management due to the small package size

Working Principles

ISL91128IINZ-T7A operates based on a synchronous buck-boost converter topology. It regulates the output voltage by adjusting the duty cycle of the internal switches, allowing it to step up or step down the input voltage as required.

Detailed Application Field Plans

ISL91128IINZ-T7A finds applications in various fields, including:

  1. Portable electronic devices such as smartphones and tablets
  2. Wearable devices like smartwatches and fitness trackers
  3. IoT (Internet of Things) devices
  4. Battery-powered systems
  5. Industrial automation equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ISL91128IINZ-T7A are:

  1. TPS63020: Buck-boost converter with similar specifications
  2. LT8490: High-power buck-boost converter with extended temperature range
  3. MP2667: Synchronous buck-boost converter with integrated battery charger

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan ISL91128IINZ-T7A dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of ISL91128IINZ-T7A in technical solutions:

  1. Q: What is the ISL91128IINZ-T7A? A: The ISL91128IINZ-T7A is a high-efficiency buck-boost regulator IC designed for power management applications.

  2. Q: What is the input voltage range of the ISL91128IINZ-T7A? A: The ISL91128IINZ-T7A has an input voltage range of 1.8V to 5.5V.

  3. Q: What is the output voltage range of the ISL91128IINZ-T7A? A: The ISL91128IINZ-T7A can provide an adjustable output voltage range from 1.2V to 5.2V.

  4. Q: What is the maximum output current of the ISL91128IINZ-T7A? A: The ISL91128IINZ-T7A can deliver up to 1.2A of continuous output current.

  5. Q: What is the efficiency of the ISL91128IINZ-T7A? A: The ISL91128IINZ-T7A offers high efficiency, typically above 90%, depending on the input and output voltage conditions.

  6. Q: Can the ISL91128IINZ-T7A operate in both buck and boost modes? A: Yes, the ISL91128IINZ-T7A can operate in both buck (step-down) and boost (step-up) modes, providing flexibility in various applications.

  7. Q: Does the ISL91128IINZ-T7A have built-in protection features? A: Yes, the ISL91128IINZ-T7A includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  8. Q: What is the operating temperature range of the ISL91128IINZ-T7A? A: The ISL91128IINZ-T7A can operate within a temperature range of -40°C to +85°C.

  9. Q: Can the ISL91128IINZ-T7A be used in battery-powered applications? A: Yes, the ISL91128IINZ-T7A is suitable for battery-powered applications due to its low quiescent current and high efficiency.

  10. Q: What are some typical applications of the ISL91128IINZ-T7A? A: The ISL91128IINZ-T7A is commonly used in portable devices, IoT applications, wearables, and other battery-powered systems that require efficient power management.

Please note that these answers are general and may vary depending on specific design considerations and requirements.