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ISL8117FVEZ-T
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ISL8117FVEZ-T

Product Overview

Category

ISL8117FVEZ-T belongs to the category of integrated circuits (ICs).

Use

The ISL8117FVEZ-T is commonly used as a voltage regulator in various electronic devices and systems.

Characteristics

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

Package

ISL8117FVEZ-T is available in a small outline package (SOP) with 8 pins.

Essence

The essence of ISL8117FVEZ-T lies in its ability to regulate voltage efficiently and reliably in electronic applications.

Packaging/Quantity

ISL8117FVEZ-T is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Maximum Output Current: 3A
  • Dropout Voltage: 200mV at 1A
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL8117FVEZ-T has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for output voltage regulation
  4. EN: Enable pin for turning the regulator on/off
  5. SS: Soft-start pin for controlling the startup time
  6. PG: Power good pin indicating the output voltage status
  7. SW: Switching node pin for connecting the external inductor
  8. VOUT: Output voltage pin

Functional Features

  • Integrated synchronous buck regulator
  • Adjustable output voltage
  • Current limit protection
  • Thermal shutdown protection
  • Soft-start for controlled startup

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Wide input voltage range allows compatibility with various power sources
  • Overcurrent and thermal protection ensure safe operation
  • Small package size enables space-saving designs

Disadvantages

  • Limited maximum output current of 3A may not be suitable for high-power applications
  • Dropout voltage of 200mV at 1A may result in slightly reduced output voltage accuracy

Working Principles

The ISL8117FVEZ-T operates as a synchronous buck regulator, converting a higher input voltage to a lower output voltage. It utilizes pulse-width modulation (PWM) techniques to control the switching of the internal power MOSFETs. By adjusting the duty cycle of the PWM signal, the output voltage can be regulated according to the feedback received from the FB pin.

Detailed Application Field Plans

ISL8117FVEZ-T finds application in various electronic devices and systems, including but not limited to: - Mobile phones and tablets - Portable media players - Digital cameras - Wireless communication devices - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ISL8117FVEZ-T include: - LM2596S-ADJ - LT1763-3.3 - TPS54331

These models provide comparable voltage regulation capabilities and are widely used in the industry.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan ISL8117FVEZ-T dalam solusi teknis

  1. What is the input voltage range of ISL8117FVEZ-T?
    - The input voltage range of ISL8117FVEZ-T is 4.5V to 60V.

  2. What is the output current capability of ISL8117FVEZ-T?
    - ISL8117FVEZ-T has an output current capability of up to 15A.

  3. Can ISL8117FVEZ-T be used in automotive applications?
    - Yes, ISL8117FVEZ-T is suitable for automotive applications.

  4. Does ISL8117FVEZ-T have overcurrent protection?
    - Yes, ISL8117FVEZ-T features overcurrent protection.

  5. What is the switching frequency range of ISL8117FVEZ-T?
    - The switching frequency range of ISL8117FVEZ-T is 100kHz to 2MHz.

  6. Is ISL8117FVEZ-T compatible with both synchronous and non-synchronous rectification?
    - Yes, ISL8117FVEZ-T is compatible with both synchronous and non-synchronous rectification.

  7. Can ISL8117FVEZ-T operate in a wide temperature range?
    - Yes, ISL8117FVEZ-T can operate in a wide temperature range from -40°C to 125°C.

  8. What type of package does ISL8117FVEZ-T come in?
    - ISL8117FVEZ-T is available in a 4mm x 4mm QFN package.

  9. Does ISL8117FVEZ-T require an external compensation network?
    - No, ISL8117FVEZ-T does not require an external compensation network.

  10. Is there a reference design available for using ISL8117FVEZ-T in a specific application?
    - Yes, reference designs are available for various applications using ISL8117FVEZ-T.