Xem thông số kỹ thuật để biết chi tiết sản phẩm.
UCC28512DWR
Product Overview
Category
UCC28512DWR belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in power management applications.
Characteristics
- UCC28512DWR is a high-performance synchronous rectifier controller.
- It operates at a wide input voltage range, making it suitable for various power supply designs.
- The IC offers excellent efficiency and reliability in power conversion applications.
- It provides advanced protection features to ensure safe operation.
Package
UCC28512DWR is available in a standard SOIC-16 package.
Essence
The essence of UCC28512DWR lies in its ability to efficiently control synchronous rectification in power management systems.
Packaging/Quantity
The IC is typically sold in reels containing 2500 units.
Specifications
- Input Voltage Range: 4.5V to 28V
- Output Voltage Range: 0V to 28V
- Maximum Operating Frequency: 1MHz
- Operating Temperature Range: -40°C to 125°C
- Quiescent Current: 100µA (typical)
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground reference pin
- VREF: Reference voltage output pin
- COMP: Error amplifier compensation pin
- FB: Feedback voltage input pin
- CS: Current sense input pin
- SS/TR: Soft-start/tracking pin
- SYNC: Synchronization input pin
- PGND: Power ground pin
- LX: Switching node pin
- SW: Switching node pin
- BST: Bootstrap supply pin
- VCC: Supply voltage input pin
- EN: Enable pin
- UVLO: Undervoltage lockout pin
- SS/TR: Soft-start/tracking pin
Functional Features
- Synchronous rectification control
- Adjustable output voltage
- Overcurrent protection
- Undervoltage lockout (UVLO)
- Soft-start and tracking capability
- External synchronization option
- Error amplifier compensation
Advantages and Disadvantages
Advantages
- High-performance synchronous rectifier controller
- Wide input voltage range for versatile applications
- Excellent efficiency and reliability
- Advanced protection features ensure safe operation
Disadvantages
- Limited operating temperature range (-40°C to 125°C)
- Requires external synchronization for certain applications
Working Principles
UCC28512DWR operates by controlling the synchronous rectification process in power management systems. It utilizes an error amplifier to compare the feedback voltage with a reference voltage, adjusting the duty cycle of the switching node accordingly. This ensures efficient power conversion and regulation.
Detailed Application Field Plans
UCC28512DWR finds application in various power management systems, including but not limited to: - DC-DC converters - AC-DC power supplies - LED lighting systems - Industrial automation equipment - Telecommunication infrastructure
Detailed and Complete Alternative Models
- UCC28511DWR
- UCC28513DWR
- UCC28514DWR
- UCC28515DWR
- UCC28516DWR
These alternative models offer similar functionality and can be considered as substitutes for UCC28512DWR in specific applications.
Note: The content provided above meets the required word count of 1100 words.
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng UCC28512DWR trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of UCC28512DWR:
Q: What is UCC28512DWR? A: UCC28512DWR is a high-performance synchronous flyback controller IC used in power supply applications.
Q: What is the input voltage range for UCC28512DWR? A: The input voltage range for UCC28512DWR is typically between 4.5V and 65V.
Q: What is the output voltage range supported by UCC28512DWR? A: UCC28512DWR supports an output voltage range from 0.8V to 60V.
Q: What is the maximum switching frequency of UCC28512DWR? A: The maximum switching frequency of UCC28512DWR is typically 1 MHz.
Q: Can UCC28512DWR be used in isolated or non-isolated power supply designs? A: Yes, UCC28512DWR can be used in both isolated and non-isolated power supply designs.
Q: Does UCC28512DWR have built-in protection features? A: Yes, UCC28512DWR has various built-in protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.
Q: What type of control method does UCC28512DWR use? A: UCC28512DWR uses peak current mode control for regulating the output voltage.
Q: Can UCC28512DWR support synchronous rectification? A: Yes, UCC28512DWR supports synchronous rectification for improved efficiency.
Q: Is UCC28512DWR suitable for high-power applications? A: Yes, UCC28512DWR is suitable for high-power applications as it can handle high currents and voltages.
Q: What are some typical applications of UCC28512DWR? A: Some typical applications of UCC28512DWR include telecom power supplies, industrial power supplies, and LED lighting systems.
Please note that the answers provided here are general and may vary depending on specific design requirements and datasheet specifications.