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ISL91108IIAZ-T
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ISL91108IIAZ-T

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Small package size - Adjustable output voltage - Overcurrent and overtemperature protection

Package: 12-Lead DFN (3x4mm)

Essence: The ISL91108IIAZ-T is a voltage regulator IC designed to provide efficient power management for various electronic devices.

Packaging/Quantity: The ISL91108IIAZ-T is available in tape and reel packaging, with 3000 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 1.8V to 3.3V
  • Quiescent Current: 25µA
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL91108IIAZ-T has the following pin configuration:

  1. EN (Enable)
  2. VIN (Input Voltage)
  3. GND (Ground)
  4. SW (Switch Node)
  5. FB (Feedback)
  6. VOUT (Output Voltage)
  7. PG (Power Good)
  8. SS (Soft-Start)
  9. BST (Bootstrap)
  10. LX (Inductor Connection)
  11. AGND (Analog Ground)
  12. NC (No Connect)

Functional Features

  • High efficiency voltage conversion
  • Adjustable output voltage through feedback pin
  • Overcurrent protection to prevent damage to the IC and load
  • Overtemperature protection to ensure safe operation
  • Power Good indicator for system monitoring
  • Soft-start feature for controlled startup

Advantages

  • High efficiency results in longer battery life
  • Wide input voltage range allows for compatibility with various power sources
  • Small package size saves board space
  • Adjustable output voltage provides flexibility for different applications
  • Overcurrent and overtemperature protection enhance system reliability

Disadvantages

  • Limited output voltage range (1.8V to 3.3V)
  • Not suitable for high-power applications

Working Principles

The ISL91108IIAZ-T operates as a buck-boost voltage regulator, which means it can step up or step down the input voltage to provide a stable output voltage. It uses a combination of inductors, capacitors, and switches to efficiently convert the input voltage to the desired output voltage.

Detailed Application Field Plans

The ISL91108IIAZ-T is commonly used in portable electronic devices such as smartphones, tablets, wearable devices, and IoT devices. It is also suitable for battery-powered applications where efficient power management is crucial.

Alternative Models

  • ISL91108IRTNZ-T
  • ISL91108IRTZ-T
  • ISL91108IHZ-T
  • ISL91108IHZN-T

These alternative models offer similar functionality and characteristics to the ISL91108IIAZ-T and can be considered as alternatives based on specific application requirements.

In conclusion, the ISL91108IIAZ-T is a versatile voltage regulator IC that offers high efficiency, wide input voltage range, and adjustable output voltage. Its small package size and built-in protection features make it ideal for various portable electronic devices. However, its limited output voltage range and lower power capabilities may restrict its use in certain applications.

기술 솔루션에 ISL91108IIAZ-T 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of ISL91108IIAZ-T in technical solutions:

  1. Question: What is ISL91108IIAZ-T?
    Answer: ISL91108IIAZ-T is a highly integrated buck-boost switching regulator that provides a regulated output voltage from a wide input voltage range.

  2. Question: What is the input voltage range supported by ISL91108IIAZ-T?
    Answer: The input voltage range supported by ISL91108IIAZ-T is typically between 1.8V and 5.5V.

  3. Question: What is the output voltage range provided by ISL91108IIAZ-T?
    Answer: The output voltage range provided by ISL91108IIAZ-T can be adjusted from 1.8V to 5.25V.

  4. Question: What is the maximum output current capability of ISL91108IIAZ-T?
    Answer: ISL91108IIAZ-T can provide a maximum output current of up to 1.2A.

  5. Question: Can ISL91108IIAZ-T operate in both buck and boost modes?
    Answer: Yes, ISL91108IIAZ-T can operate in both buck (step-down) and boost (step-up) modes, allowing it to regulate the output voltage regardless of whether the input voltage is higher or lower than the desired output voltage.

  6. Question: Does ISL91108IIAZ-T have built-in protection features?
    Answer: Yes, ISL91108IIAZ-T includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  7. Question: What is the efficiency of ISL91108IIAZ-T?
    Answer: The efficiency of ISL91108IIAZ-T can reach up to 95%, depending on the input and output voltage conditions.

  8. Question: Can ISL91108IIAZ-T be used in battery-powered applications?
    Answer: Yes, ISL91108IIAZ-T is suitable for battery-powered applications as it supports a wide input voltage range and has low quiescent current.

  9. Question: Is ISL91108IIAZ-T compatible with different types of loads?
    Answer: Yes, ISL91108IIAZ-T is compatible with various types of loads, including resistive, capacitive, and inductive loads.

  10. Question: What are some typical applications of ISL91108IIAZ-T?
    Answer: Some typical applications of ISL91108IIAZ-T include portable devices, IoT devices, wearables, and other battery-powered systems that require efficient voltage regulation.

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