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ISL85003AFRZ
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ISL85003AFRZ

Product Overview

Category

ISL85003AFRZ belongs to the category of voltage regulators.

Use

It is commonly used in electronic devices to regulate and stabilize voltage levels.

Characteristics

  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent and thermal protection

Package

ISL85003AFRZ comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of ISL85003AFRZ lies in its ability to provide reliable and stable voltage regulation for various electronic applications.

Packaging/Quantity

It is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Maximum Output Current: 3A
  • Dropout Voltage: 200mV at 1A
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ISL85003AFRZ has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin

Functional Features

  • High Efficiency: The ISL85003AFRZ offers high efficiency, minimizing power loss during voltage regulation.
  • Low Dropout Voltage: It has a low dropout voltage, ensuring efficient operation even when the input voltage is close to the desired output voltage.
  • Wide Input Voltage Range: The regulator can accept a wide range of input voltages, making it suitable for various applications.
  • Adjustable Output Voltage: The output voltage can be adjusted within a specified range, providing flexibility for different requirements.
  • Overcurrent and Thermal Protection: The ISL85003AFRZ incorporates protection mechanisms to prevent damage from overcurrent or excessive heat.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Wide input voltage range allows for versatile applications.
  • Adjustable output voltage provides flexibility.
  • Overcurrent and thermal protection ensure device safety.

Disadvantages

  • Limited maximum output current may restrict usage in high-power applications.
  • Dropout voltage may affect performance in low-input voltage scenarios.

Working Principles

ISL85003AFRZ operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. By adjusting the duty cycle of the PWM signal, the desired output voltage is achieved. The regulator continuously monitors the input and output voltages, making necessary adjustments to maintain a stable output voltage level.

Detailed Application Field Plans

ISL85003AFRZ finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable gaming consoles - Wearable devices - IoT devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ISL85003AFRZ are: - LM317: A popular linear voltage regulator with adjustable output voltage. - LT1084: A high-current, low-dropout voltage regulator suitable for demanding applications. - TPS5430: A synchronous buck converter with adjustable output voltage and high efficiency.

These alternative models can be considered based on specific requirements and design constraints.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL85003AFRZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL85003AFRZ in technical solutions:

  1. Q: What is ISL85003AFRZ? A: ISL85003AFRZ is a highly integrated synchronous buck regulator IC (integrated circuit) that provides high efficiency power conversion for various applications.

  2. Q: What is the input voltage range of ISL85003AFRZ? A: The input voltage range of ISL85003AFRZ is typically from 4.5V to 18V.

  3. Q: What is the output voltage range of ISL85003AFRZ? A: The output voltage range of ISL85003AFRZ can be adjusted from 0.6V to 5.5V.

  4. Q: What is the maximum output current of ISL85003AFRZ? A: The maximum output current of ISL85003AFRZ is typically 3A.

  5. Q: Does ISL85003AFRZ have built-in protection features? A: Yes, ISL85003AFRZ includes various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  6. Q: Can ISL85003AFRZ operate in a wide temperature range? A: Yes, ISL85003AFRZ is designed to operate in a temperature range from -40°C to +125°C.

  7. Q: What type of package does ISL85003AFRZ come in? A: ISL85003AFRZ is available in a compact 3mm x 3mm DFN (Dual Flat No-Lead) package.

  8. Q: Is ISL85003AFRZ suitable for battery-powered applications? A: Yes, ISL85003AFRZ is well-suited for battery-powered applications due to its low quiescent current and high efficiency.

  9. Q: Can ISL85003AFRZ be used in automotive applications? A: Yes, ISL85003AFRZ is qualified for automotive applications and meets the necessary standards.

  10. Q: Are there any evaluation boards or reference designs available for ISL85003AFRZ? A: Yes, Intersil (now Renesas Electronics) provides evaluation boards and reference designs that can help in the application of ISL85003AFRZ.

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