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ISL81387IBZ-T
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ISL81387IBZ-T

Product Overview

Category

ISL81387IBZ-T belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management applications.

Characteristics

  • Integrated circuit
  • Power management functionality
  • High efficiency
  • Compact size

Package

ISL81387IBZ-T is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of ISL81387IBZ-T lies in its ability to efficiently manage power in electronic devices, ensuring optimal performance and reliability.

Packaging/Quantity

This product 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: 0.6V to 3.3V
  • Maximum Output Current: 3A
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin
  4. EN: Enable pin
  5. PG: Power good pin
  6. VOUT: Output voltage pin
  7. SW: Switching node pin
  8. COMP: Compensation pin

Functional Features

  • Wide input voltage range allows compatibility with various power sources.
  • High efficiency ensures minimal power loss during operation.
  • Enable pin provides control over the device's power state.
  • Power good pin indicates the status of the output voltage.
  • Compensation pin enables stability in different load conditions.

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings.
  • Compact size allows for integration into space-constrained designs.
  • Wide input voltage range enhances versatility.
  • Power good pin provides convenient monitoring of output voltage status.

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications.
  • Operating temperature range may restrict usage in extreme environments.

Working Principles

ISL81387IBZ-T operates based on a switching regulator topology. It utilizes a control loop to regulate the output voltage by adjusting the duty cycle of the internal power switch. This enables efficient conversion of the input voltage to the desired output voltage, while minimizing power loss.

Detailed Application Field Plans

ISL81387IBZ-T finds application in various electronic devices that require efficient power management. Some potential fields of application include:

  1. Mobile devices: Smartphones, tablets, and portable media players can benefit from the compact size and high efficiency of this IC.
  2. IoT devices: Connected devices in the Internet of Things (IoT) ecosystem often have limited power sources, making efficient power management crucial.
  3. Industrial equipment: Control systems, sensors, and other industrial devices can utilize ISL81387IBZ-T for reliable power regulation.
  4. Automotive electronics: With its wide input voltage range and compact size, this IC can be integrated into automotive applications such as infotainment systems and advanced driver assistance systems (ADAS).

Detailed and Complete Alternative Models

  1. LM2596S-ADJ: A popular alternative with similar specifications and functionality.
  2. TPS54331: Another option offering comparable performance and features.
  3. LT8610AB: An alternative model known for its high efficiency and wide input voltage range.

These alternative models provide similar power management capabilities and can be considered as substitutes for ISL81387IBZ-T in various applications.

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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui ISL81387IBZ-T în soluțiile tehnice

Sure! Here are 10 common questions and answers related to the application of ISL81387IBZ-T in technical solutions:

  1. Q: What is ISL81387IBZ-T? A: ISL81387IBZ-T is a high-performance, dual-output PWM controller IC designed for use in various power supply applications.

  2. Q: What are the key features of ISL81387IBZ-T? A: Some key features include wide input voltage range, adjustable switching frequency, integrated MOSFET drivers, and comprehensive protection features.

  3. Q: What is the typical application of ISL81387IBZ-T? A: ISL81387IBZ-T is commonly used in applications such as telecom power supplies, industrial power supplies, and server power supplies.

  4. Q: What is the maximum input voltage supported by ISL81387IBZ-T? A: The maximum input voltage supported by ISL81387IBZ-T is typically around 100V.

  5. Q: Can ISL81387IBZ-T operate with a single output voltage? A: No, ISL81387IBZ-T is specifically designed for dual-output power supply applications.

  6. Q: How can I adjust the switching frequency of ISL81387IBZ-T? A: The switching frequency of ISL81387IBZ-T can be adjusted using an external resistor connected to the RT pin.

  7. Q: Does ISL81387IBZ-T have any built-in protection features? A: Yes, ISL81387IBZ-T includes various protection features like overvoltage protection, undervoltage lockout, and thermal shutdown.

  8. Q: What is the maximum current that ISL81387IBZ-T can drive? A: The maximum current that ISL81387IBZ-T can drive depends on the external MOSFETs used, but it typically supports currents up to several amps.

  9. Q: Can ISL81387IBZ-T operate in a wide temperature range? A: Yes, ISL81387IBZ-T is designed to operate in a wide temperature range, typically from -40°C to 85°C.

  10. Q: Is there any evaluation board available for ISL81387IBZ-T? A: Yes, Intersil provides an evaluation board called ISL81387EVAL1Z to help users evaluate and test the performance of ISL81387IBZ-T in their applications.

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