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ISL85003AFRZ-T
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ISL85003AFRZ-T

Product Overview

Category

ISL85003AFRZ-T belongs to the category of voltage regulators.

Use

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

Characteristics

  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection

Package

ISL85003AFRZ-T is available in a small outline package (SOP) with a thermal pad for enhanced heat dissipation.

Essence

The essence of ISL85003AFRZ-T lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

ISL85003AFRZ-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to VIN
  • Output Current: Up to 3A
  • Dropout Voltage: 200mV at 3A
  • Quiescent Current: 45µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ISL85003AFRZ-T 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-T offers high efficiency, minimizing power loss and maximizing battery life.
  • Low Dropout Voltage: With a low dropout voltage, it can maintain a stable output even when the input voltage is close to the desired output voltage.
  • Wide Input Voltage Range: The wide input voltage range allows for compatibility with various power sources.
  • Adjustable Output Voltage: The output voltage can be adjusted to meet specific requirements.
  • Overcurrent Protection: It incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
  • Thermal Shutdown Protection: The thermal shutdown feature prevents overheating and protects the device from damage.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Wide input voltage range provides flexibility in power source selection.
  • Adjustable output voltage allows customization for different applications.
  • Overcurrent and thermal shutdown protection enhance reliability and safety.

Disadvantages

  • Limited output current capacity of up to 3A may not be suitable for high-power applications.
  • Requires external components for proper operation.

Working Principles

ISL85003AFRZ-T operates based on a switching regulator topology. It utilizes an internal control loop to maintain the desired output voltage by adjusting the duty cycle of the internal power switch. This allows it to efficiently convert the input voltage to the desired output voltage while minimizing power loss.

Detailed Application Field Plans

ISL85003AFRZ-T finds application in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - Telecommunications equipment

Its ability to regulate voltage levels makes it suitable for any application that requires stable and reliable power supply.

Detailed and Complete Alternative Models

Some alternative models to ISL85003AFRZ-T include: - LM317: A popular linear voltage regulator with adjustable output voltage. - LT1084: A high-current linear voltage regulator with low dropout voltage. - TPS5430: A synchronous buck converter with adjustable output voltage and high efficiency.

These alternative models offer similar functionality and can be considered as alternatives depending on specific requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ISL85003AFRZ-T dalam penyelesaian teknikal

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

  1. Q: What is ISL85003AFRZ-T? A: ISL85003AFRZ-T is a high-efficiency, synchronous buck regulator IC (integrated circuit) designed for various power supply applications.

  2. Q: What is the input voltage range of ISL85003AFRZ-T? A: The input voltage range of ISL85003AFRZ-T is typically between 4.5V and 18V.

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

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

  5. Q: Does ISL85003AFRZ-T require an external compensation network? A: No, ISL85003AFRZ-T has an integrated compensation network, eliminating the need for external components.

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

  7. Q: Does ISL85003AFRZ-T have built-in protection features? A: Yes, ISL85003AFRZ-T includes overcurrent protection, overvoltage protection, and thermal shutdown features.

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

  9. Q: Can ISL85003AFRZ-T be used in battery-powered applications? A: Yes, ISL85003AFRZ-T is suitable for battery-powered applications due to its low quiescent current and high efficiency.

  10. Q: Is there any evaluation board or reference design available for ISL85003AFRZ-T? A: Yes, Intersil provides an evaluation board and reference design for ISL85003AFRZ-T, which can help with the initial implementation and testing of the IC in various applications.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes for detailed information.