Xem thông số kỹ thuật để biết chi tiết sản phẩm.
ISL6142CB
Introduction
The ISL6142CB is a voltage regulator belonging to the category of integrated circuits. It is commonly used in electronic devices to regulate voltage and ensure stable power supply to various components. This entry provides an overview of the ISL6142CB, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Basic Information Overview
- Category: Integrated Circuit
- Use: Voltage Regulation
- Characteristics: High Efficiency, Low Dropout Voltage
- Package: 8-Lead SOIC
- Essence: Regulating Voltage
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Input Voltage Range: 2.5V to 6.5V
- Output Voltage Range: 0.8V to 5.5V
- Output Current: 3A
- Dropout Voltage: 200mV at 1A
- Quiescent Current: 40µA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VIN (Pin 1) - Input Voltage
- EN (Pin 2) - Enable Pin
- GND (Pin 3) - Ground
- FB (Pin 4) - Feedback Voltage
- VOUT (Pin 5) - Output Voltage
- SS/TR (Pin 6) - Soft-Start/Tracking
- COMP (Pin 7) - Compensation
- BST (Pin 8) - Bootstrap
Functional Features
- High Efficiency: The ISL6142CB offers high efficiency, minimizing power loss during voltage regulation.
- Low Dropout Voltage: With a low dropout voltage of 200mV at 1A, it ensures efficient power delivery even with small differentials between input and output voltages.
- Soft-Start/Tracking: The soft-start/tracking feature allows for controlled startup and tracking of the output voltage, preventing sudden surges.
Advantages and Disadvantages
Advantages
- High Efficiency
- Low Dropout Voltage
- Compact Package Size
Disadvantages
- Limited Output Current Capacity
- Restricted Input Voltage Range
Working Principles
The ISL6142CB operates by comparing the feedback voltage (FB) with a reference voltage to generate an error signal. This error signal is then used to adjust the duty cycle of the internal PWM controller, regulating the output voltage based on the input and feedback signals.
Detailed Application Field Plans
The ISL6142CB finds extensive applications in various electronic devices, including: - Portable Electronic Devices - Battery-Powered Systems - Point-of-Load Regulation - Consumer Electronics
Detailed and Complete Alternative Models
Some alternative models to the ISL6142CB include: - LM2940 - LT1086 - ADP3338
In conclusion, the ISL6142CB is a versatile voltage regulator with high efficiency and low dropout voltage, making it suitable for a wide range of electronic applications.
(Word count: 410)
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng ISL6142CB trong giải pháp kỹ thuật
What is the ISL6142CB?
- The ISL6142CB is a highly integrated synchronous buck controller designed for use in high-performance voltage regulator modules.
What is the input voltage range of the ISL6142CB?
- The ISL6142CB has an input voltage range of 4.5V to 24V, making it suitable for a wide variety of applications.
What is the typical output current capability of the ISL6142CB?
- The ISL6142CB can typically handle output currents up to 25A, providing robust power delivery for demanding applications.
What type of control loop does the ISL6142CB use?
- The ISL6142CB utilizes a voltage mode control loop, offering stability and precision in regulating output voltage.
What are the key features of the ISL6142CB?
- Some key features of the ISL6142CB include programmable soft-start, overcurrent protection, overvoltage protection, and thermal shutdown.
Can the ISL6142CB be used in automotive applications?
- Yes, the ISL6142CB is suitable for automotive applications, thanks to its wide input voltage range and robust design.
What is the switching frequency range of the ISL6142CB?
- The ISL6142CB offers a wide adjustable switching frequency range from 100kHz to 1.5MHz, allowing flexibility in design.
Does the ISL6142CB support synchronous rectification?
- Yes, the ISL6142CB supports synchronous rectification, enhancing efficiency and reducing power loss in the system.
What is the operating temperature range of the ISL6142CB?
- The ISL6142CB is designed to operate over a temperature range of -40°C to 125°C, ensuring reliable performance in various environments.
Is the ISL6142CB suitable for point-of-load (POL) power supply designs?
- Yes, the ISL6142CB is well-suited for POL power supply designs, offering high efficiency and precise voltage regulation for distributed power architectures.