ISL8491IBZ-T
Product Overview
Category
ISL8491IBZ-T belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in power management applications.
Characteristics
- High efficiency
- Low quiescent current
- Wide input voltage range
- Overcurrent protection
- Thermal shutdown protection
Package
ISL8491IBZ-T is available in a small outline package (SOIC) with 8 pins.
Essence
The essence of ISL8491IBZ-T lies in its ability to efficiently manage power in various electronic devices.
Packaging/Quantity
This product 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: 0.6V to VIN
- Quiescent Current: 20µA (typical)
- Operating Temperature Range: -40°C to +85°C
- Maximum Output Current: 500mA
Pin Configuration
The detailed pin configuration for ISL8491IBZ-T is as follows:
| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VIN | Input voltage | | 2 | GND | Ground | | 3 | EN | Enable pin | | 4 | FB | Feedback pin | | 5 | SW | Switch node | | 6 | LX | Inductor connection | | 7 | PG | Power good indicator | | 8 | VOUT | Output voltage |
Functional Features
- Integrated synchronous buck regulator
- Adjustable output voltage
- Soft-start capability
- Overcurrent protection
- Thermal shutdown protection
- Power good indicator
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 safety
- Power good indicator provides status monitoring
Disadvantages
- Limited maximum output current of 500mA may not be suitable for high-power applications
- Requires external components for operation
Working Principles
ISL8491IBZ-T is a synchronous buck regulator that converts the input voltage to a lower, adjustable output voltage. It operates by controlling the duty cycle of the internal switches to regulate the output voltage. The integrated circuit includes various protection features such as overcurrent and thermal shutdown, ensuring safe operation.
Detailed Application Field Plans
ISL8491IBZ-T finds applications in a wide range of electronic devices, including but not limited to: - Portable electronic devices - Battery-powered systems - IoT devices - Industrial equipment - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to ISL8491IBZ-T are: - LM2596S-ADJ - TPS54331 - LT1763
These alternatives can be considered based on specific requirements and design constraints.
In conclusion, ISL8491IBZ-T is an integrated circuit used for power management applications. Its high efficiency, wide input voltage range, and protection features make it suitable for various electronic devices. However, its limited maximum output current and requirement for external components should be taken into consideration.
10个与ISL8491IBZ-T在技术解决方案中的应用相关的常见问题及解答
Sure! Here are 10 common questions and answers related to the application of ISL8491IBZ-T in technical solutions:
Q1: What is ISL8491IBZ-T? A1: ISL8491IBZ-T is a high-speed, low-power, single-channel digital isolator designed for various applications in industrial automation, motor control, and power management.
Q2: What is the operating voltage range of ISL8491IBZ-T? A2: The operating voltage range of ISL8491IBZ-T is from 3V to 5.5V.
Q3: What is the maximum data rate supported by ISL8491IBZ-T? A3: ISL8491IBZ-T supports a maximum data rate of 100 Mbps.
Q4: Can ISL8491IBZ-T be used for bidirectional communication? A4: Yes, ISL8491IBZ-T supports bidirectional communication.
Q5: Is ISL8491IBZ-T suitable for high-noise environments? A5: Yes, ISL8491IBZ-T has excellent noise immunity and is suitable for high-noise environments.
Q6: Does ISL8491IBZ-T have built-in isolation barriers? A6: Yes, ISL8491IBZ-T has built-in isolation barriers that provide galvanic isolation between input and output.
Q7: What is the typical propagation delay of ISL8491IBZ-T? A7: The typical propagation delay of ISL8491IBZ-T is around 8 ns.
Q8: Can ISL8491IBZ-T operate at extended temperature ranges? A8: Yes, ISL8491IBZ-T can operate at extended temperature ranges from -40°C to +125°C.
Q9: Does ISL8491IBZ-T require external power supplies? A9: No, ISL8491IBZ-T is self-powered and does not require external power supplies.
Q10: What package options are available for ISL8491IBZ-T? A10: ISL8491IBZ-T is available in a small 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 with the manufacturer for detailed information.