ISL8491EIB-T
Product Overview
Category
ISL8491EIB-T belongs to the category of integrated circuits (ICs).
Use
It is commonly used in power management applications.
Characteristics
- High efficiency
- Low quiescent current
- Wide input voltage range
- Overcurrent protection
- Thermal shutdown protection
Package
ISL8491EIB-T is available in a small outline integrated circuit (SOIC) package.
Essence
The essence of ISL8491EIB-T lies in its ability to efficiently manage power in various applications.
Packaging/Quantity
ISL8491EIB-T is typically packaged in reels and comes in quantities of 2500 units per reel.
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: 0.8V to VIN
- Maximum Continuous Output Current: 1A
- Quiescent Current: 17µA
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
ISL8491EIB-T has a total of 8 pins:
- EN (Enable)
- GND (Ground)
- VIN (Input Voltage)
- VOUT (Output Voltage)
- FB (Feedback)
- SS (Soft-Start)
- PG (Power Good)
- BST (Bootstrap)
Functional Features
- Integrated synchronous buck regulator
- Adjustable output voltage
- Soft-start function for controlled startup
- Power good indicator for system monitoring
- Overcurrent and thermal shutdown protection
Advantages and Disadvantages
Advantages
- High efficiency leads to reduced power consumption
- Wide input voltage range allows for versatile applications
- Overcurrent and thermal shutdown protection enhance system reliability
Disadvantages
- Limited maximum continuous output current of 1A
Working Principles
ISL8491EIB-T operates as a synchronous buck regulator, converting the input voltage to a lower, adjustable output voltage. It utilizes pulse width modulation (PWM) techniques to regulate the output voltage and maintain high efficiency.
Detailed Application Field Plans
ISL8491EIB-T finds applications in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to ISL8491EIB-T are: - LT8610ABEMSE#PBF - TPS54332DDAR - MAX15062BASA+
These models offer similar functionality and can be suitable replacements depending on specific requirements.
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技術ソリューションにおける ISL8491EIB-T の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of ISL8491EIB-T in technical solutions:
Q1: What is ISL8491EIB-T? A1: ISL8491EIB-T is a high-speed, low-power, and robust RS-485/RS-422 transceiver IC.
Q2: What is the operating voltage range of ISL8491EIB-T? A2: The operating voltage range of ISL8491EIB-T is from 3V to 5.5V.
Q3: What is the maximum data rate supported by ISL8491EIB-T? A3: ISL8491EIB-T supports a maximum data rate of 20Mbps.
Q4: Can ISL8491EIB-T be used for half-duplex communication? A4: Yes, ISL8491EIB-T can be used for both half-duplex and full-duplex communication.
Q5: Does ISL8491EIB-T have built-in ESD protection? A5: Yes, ISL8491EIB-T has built-in ±15kV ESD protection on the bus pins.
Q6: What is the typical supply current of ISL8491EIB-T? A6: The typical supply current of ISL8491EIB-T is 300µA.
Q7: Can ISL8491EIB-T operate in harsh industrial environments? A7: Yes, ISL8491EIB-T is designed to operate in harsh industrial environments with extended temperature ranges and high noise immunity.
Q8: Is ISL8491EIB-T compatible with other RS-485/RS-422 transceivers? A8: Yes, ISL8491EIB-T is compatible with other standard RS-485/RS-422 transceivers.
Q9: Can ISL8491EIB-T be used in multi-drop bus configurations? A9: Yes, ISL8491EIB-T can be used in multi-drop bus configurations with up to 32 nodes.
Q10: What package does ISL8491EIB-T come in? A10: ISL8491EIB-T is available in an industry-standard 8-lead SOIC package.
Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult the manufacturer for detailed information.