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UCC3975PW
Product Overview
Category
The UCC3975PW belongs to the category of voltage mode synchronous buck controller ICs.
Use
It is used for controlling the output voltage of a synchronous buck converter in various electronic devices and power supplies.
Characteristics
- High efficiency
- Wide input voltage range
- Adjustable output voltage
- Overcurrent protection
- Thermal shutdown protection
Package
The UCC3975PW comes in a small outline integrated circuit (SOIC) package.
Essence
The essence of UCC3975PW lies in its ability to efficiently regulate output voltage in power supply applications.
Packaging/Quantity
The UCC3975PW is typically packaged in reels with a quantity of 2500 units per reel.
Specifications
- Input Voltage Range: 4.5V to 60V
- Output Voltage Range: 0.8V to 54V
- Operating Temperature Range: -40°C to 125°C
- Switching Frequency: Up to 2MHz
- Maximum Duty Cycle: 100%
Detailed Pin Configuration
The UCC3975PW has a standard pin configuration with pins for input voltage, ground, feedback, compensation, and output voltage.
Functional Features
- Voltage mode control
- Synchronous rectification
- Soft start
- Adjustable current limit
- Power good indicator
Advantages and Disadvantages
Advantages
- High efficiency over a wide input voltage range
- Flexible output voltage adjustment
- Comprehensive protection features
Disadvantages
- Higher cost compared to non-synchronous buck controllers
- More complex design considerations for high-frequency operation
Working Principles
The UCC3975PW operates by comparing the feedback voltage with a reference voltage to regulate the duty cycle of the synchronous buck converter, thereby controlling the output voltage.
Detailed Application Field Plans
The UCC3975PW is suitable for a wide range of applications including: - Industrial power supplies - Telecommunication equipment - Automotive electronics - Renewable energy systems - LED lighting
Detailed and Complete Alternative Models
Some alternative models to UCC3975PW include: - LM5117 - LT8610 - TPS548B22 - MAX15062
In conclusion, the UCC3975PW is a versatile voltage mode synchronous buck controller IC with a wide range of applications and comprehensive features, making it an ideal choice for efficient power supply designs.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací UCC3975PW v technických řešeních
What is the UCC3975PW?
- The UCC3975PW is a high-performance synchronous buck controller designed for use in various power supply applications.
What is the input voltage range of the UCC3975PW?
- The UCC3975PW has an input voltage range of 4.5V to 60V, making it suitable for a wide range of applications.
What is the output current capability of the UCC3975PW?
- The UCC3975PW can support output currents up to 25A, making it suitable for high-power applications.
What are the key features of the UCC3975PW?
- Some key features of the UCC3975PW include programmable soft start, adjustable switching frequency, and overcurrent protection.
Can the UCC3975PW be used in automotive applications?
- Yes, the UCC3975PW is suitable for automotive applications due to its wide input voltage range and robust design.
What type of control does the UCC3975PW use?
- The UCC3975PW uses voltage mode control for regulating the output voltage.
Is the UCC3975PW suitable for industrial applications?
- Yes, the UCC3975PW is well-suited for industrial applications due to its high efficiency and reliability.
Does the UCC3975PW have built-in thermal protection?
- Yes, the UCC3975PW includes thermal shutdown protection to prevent damage from excessive temperatures.
What is the typical application circuit for the UCC3975PW?
- A typical application circuit for the UCC3975PW includes input and output capacitors, inductors, and the necessary feedback components for voltage regulation.
Where can I find detailed technical information about the UCC3975PW?
- Detailed technical information about the UCC3975PW can be found in the datasheet provided by the manufacturer or on their official website.