Intersil
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ISL8843MBZ
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ISL8843MBZ

Product Overview

Category

ISL8843MBZ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

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

Package

ISL8843MBZ is available in a small outline package (SOIC) format.

Essence

The essence of ISL8843MBZ lies in its ability to efficiently manage power in various applications.

Packaging/Quantity

ISL8843MBZ is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.8V to 6V
  • Maximum Continuous Output Current: 3A
  • Switching Frequency: 500kHz
  • 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. COMP: Compensation pin
  5. EN: Enable pin
  6. SS/TR: Soft-start/Tracking pin
  7. PGND: Power ground pin
  8. VCC: Supply voltage pin
  9. LX: Inductor connection pin
  10. BOOT: Bootstrap capacitor connection pin

Functional Features

  • Wide input voltage range for versatile applications
  • High efficiency conversion for reduced power loss
  • Adjustable output voltage for flexibility
  • Overcurrent protection for enhanced safety
  • Soft-start function for controlled startup

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Compact size allows for space-saving designs
  • Wide input voltage range enables compatibility with various power sources

Disadvantages

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

Working Principles

ISL8843MBZ operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) to regulate the output voltage by controlling the duty cycle of the switching transistor. This allows for efficient power conversion and voltage regulation.

Detailed Application Field Plans

ISL8843MBZ finds applications in various fields, including: 1. Power supplies for consumer electronics 2. Industrial automation systems 3. Automotive electronics 4. LED lighting systems 5. Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ISL8843MBZ are: 1. LM2576-ADJ 2. LT1073-12 3. TPS5430-EP 4. MAX5033-D 5. MC34063A

These models can be considered as alternatives depending on specific requirements and design constraints.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL8843MBZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL8843MBZ in technical solutions:

  1. Q: What is ISL8843MBZ? A: ISL8843MBZ is a highly integrated synchronous buck regulator IC (integrated circuit) that can be used in various technical solutions.

  2. Q: What is the input voltage range supported by ISL8843MBZ? A: The input voltage range supported by ISL8843MBZ is typically between 4.5V and 14V.

  3. Q: What is the output voltage range that can be achieved using ISL8843MBZ? A: The output voltage range that can be achieved using ISL8843MBZ is typically between 0.6V and 5.5V.

  4. Q: What is the maximum output current that ISL8843MBZ can handle? A: ISL8843MBZ can handle a maximum output current of up to 3A.

  5. Q: Can ISL8843MBZ operate in a wide temperature range? A: Yes, ISL8843MBZ is designed to operate in a wide temperature range, typically from -40°C to +85°C.

  6. Q: Does ISL8843MBZ have built-in protection features? A: Yes, ISL8843MBZ has built-in protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  7. Q: Can ISL8843MBZ be used in battery-powered applications? A: Yes, ISL8843MBZ can be used in battery-powered applications as it supports a wide input voltage range and low quiescent current.

  8. Q: Is ISL8843MBZ suitable for high-efficiency designs? A: Yes, ISL8843MBZ is suitable for high-efficiency designs as it features a high switching frequency and low RDS(ON) MOSFETs.

  9. Q: Can ISL8843MBZ be used in automotive applications? A: Yes, ISL8843MBZ can be used in automotive applications as it meets the necessary automotive standards and has a wide input voltage range.

  10. Q: Are there any evaluation boards or reference designs available for ISL8843MBZ? A: Yes, Intersil (now Renesas Electronics) provides evaluation boards and reference designs for ISL8843MBZ to help with the development process.

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.