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ISL91117IIAZ-T
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ISL91117IIAZ-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

Package: 16-Ld TQFN

Essence: The ISL91117IIAZ-T is a voltage regulator IC designed to provide efficient power management for various electronic devices.

Packaging/Quantity: The ISL91117IIAZ-T is available in a 16-Lead Thin Quad Flat No-Lead (TQFN) package. The quantity per package may vary depending on the supplier.

Specifications

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

Detailed Pin Configuration

The ISL91117IIAZ-T has the following pin configuration:

  1. EN (Enable)
  2. FB (Feedback)
  3. GND (Ground)
  4. LX (Switch Node)
  5. VOUT (Output Voltage)
  6. VIN (Input Voltage)
  7. PG (Power Good)
  8. NC (No Connection)
  9. NC (No Connection)
  10. NC (No Connection)
  11. NC (No Connection)
  12. NC (No Connection)
  13. NC (No Connection)
  14. NC (No Connection)
  15. NC (No Connection)
  16. VDD (Supply Voltage)

Functional Features

  • Integrated synchronous buck converter
  • Adjustable output voltage through external resistors
  • Power good indicator
  • Overcurrent protection
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High efficiency helps conserve battery life - Wide input voltage range allows compatibility with various power sources - Small package size enables space-saving designs - Adjustable output voltage provides flexibility for different applications

Disadvantages: - Limited maximum output current may not be suitable for high-power devices - Quiescent current may drain the battery over extended periods of inactivity

Working Principles

The ISL91117IIAZ-T operates as a synchronous buck converter, converting the input voltage to a lower, regulated output voltage. It uses pulse-width modulation (PWM) techniques to control the switching of the internal MOSFETs, achieving high efficiency.

Detailed Application Field Plans

The ISL91117IIAZ-T is commonly used in portable electronic devices such as smartphones, tablets, wearable devices, and other battery-powered applications. Its ability to efficiently regulate voltage makes it suitable for a wide range of low-power electronic systems.

Detailed and Complete Alternative Models

  1. ISL91127IRAZ-T: Similar voltage regulator IC with higher maximum output current (2A).
  2. ISL91110IRAZ-T: Voltage regulator IC with fixed output voltage options.
  3. ISL91108IRAZ-T: Voltage regulator IC with adjustable output voltage and higher efficiency.

These alternative models offer different specifications and features, allowing designers to choose the most suitable option for their specific application requirements.

Note: The above information is subject to change. Please refer to the manufacturer's datasheet for the most up-to-date details.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de ISL91117IIAZ-T en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of ISL91117IIAZ-T in technical solutions:

  1. Q: What is ISL91117IIAZ-T? A: ISL91117IIAZ-T is a highly integrated buck-boost switching regulator designed for applications requiring high efficiency and small solution size.

  2. Q: What is the input voltage range of ISL91117IIAZ-T? A: The input voltage range of ISL91117IIAZ-T is from 1.8V to 5.5V.

  3. Q: What is the output voltage range of ISL91117IIAZ-T? A: The output voltage range of ISL91117IIAZ-T can be adjusted from 1.8V to 5.25V.

  4. Q: What is the maximum output current of ISL91117IIAZ-T? A: The maximum output current of ISL91117IIAZ-T is 1.2A.

  5. Q: Can ISL91117IIAZ-T operate in both buck and boost modes? A: Yes, ISL91117IIAZ-T can operate in both buck and boost modes, allowing it to step up or step down the input voltage as required.

  6. Q: Does ISL91117IIAZ-T have built-in protection features? A: Yes, ISL91117IIAZ-T includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  7. Q: What is the efficiency of ISL91117IIAZ-T? A: The efficiency of ISL91117IIAZ-T can reach up to 95% under typical operating conditions.

  8. Q: Can ISL91117IIAZ-T be used in battery-powered applications? A: Yes, ISL91117IIAZ-T is suitable for battery-powered applications due to its low quiescent current and high efficiency.

  9. Q: What package does ISL91117IIAZ-T come in? A: ISL91117IIAZ-T is available in a compact 3mm x 3mm DFN package.

  10. Q: What are some typical applications of ISL91117IIAZ-T? A: ISL91117IIAZ-T can be used in various applications such as smartphones, tablets, portable medical devices, and IoT devices where efficient power conversion is required.

Please note that the answers provided here are general and may vary depending on specific design requirements and application scenarios.