UCC28512DWG4
Product Overview
Category
UCC28512DWG4 belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in power management applications.
Characteristics
- High efficiency
- Low standby power consumption
- Wide input voltage range
- Adjustable output voltage
- Overcurrent protection
- Thermal shutdown protection
Package
UCC28512DWG4 is available in a small outline SOIC-8 package.
Essence
The essence of UCC28512DWG4 lies in its ability to efficiently regulate and control power in various applications.
Packaging/Quantity
This IC is typically sold in reels, with each reel containing 2500 units.
Specifications
- Input Voltage Range: 4.5V to 65V
- Output Voltage Range: 0.8V to 60V
- Maximum Output Current: 1A
- Switching Frequency: 100kHz to 2MHz
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- FB: Feedback pin for output voltage regulation
- COMP: Compensation pin for stability control
- EN: Enable pin for turning the IC on/off
- SS/TR: Soft-start/Tracking pin for controlling startup behavior
- VCC: Supply voltage pin
- SW: Switching pin for connecting the external power switch
Functional Features
- Constant voltage (CV) and constant current (CC) operation modes
- Cycle-by-cycle current limit protection
- Adjustable soft-start time
- Frequency synchronization capability
- Error amplifier for precise voltage regulation
- Integrated bootstrap diode for high-side gate drive
Advantages
- High efficiency conversion
- Wide input voltage range allows for versatile applications
- Compact package size enables space-saving designs
- Comprehensive protection features ensure system reliability
- Adjustable output voltage provides flexibility
Disadvantages
- Limited maximum output current may not be suitable for high-power applications
- Requires external components for complete power management solution
Working Principles
UCC28512DWG4 operates as a pulse-width modulation (PWM) controller. It regulates the output voltage by adjusting the duty cycle of the switching signal. The feedback pin (FB) compares the actual output voltage with a reference voltage, and the error amplifier generates an error signal. This signal is then used to control the duty cycle, ensuring the output voltage remains stable.
Detailed Application Field Plans
UCC28512DWG4 finds applications in various fields, including: 1. Power supplies for industrial equipment 2. Battery chargers 3. LED lighting systems 4. Telecom infrastructure 5. Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that can be considered are: 1. UCC28511DWG4 2. UCC28513DWG4 3. UCC28514DWG4 4. UCC28515DWG4 5. UCC28516DWG4
These models offer similar functionality and characteristics, providing options for different design requirements.
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技術ソリューションにおける UCC28512DWG4 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 UCC28512DWG4 in technical solutions:
Q: What is UCC28512DWG4? A: UCC28512DWG4 is a high-performance synchronous rectifier controller IC designed for use in power supply applications.
Q: What are the key features of UCC28512DWG4? A: Some key features include high efficiency, low standby power consumption, adaptive dead-time control, and protection features like overcurrent and overvoltage protection.
Q: What is the typical input voltage range for UCC28512DWG4? A: The typical input voltage range is from 4.5V to 28V.
Q: How does UCC28512DWG4 achieve high efficiency? A: UCC28512DWG4 achieves high efficiency through its synchronous rectification control, which minimizes power losses during switching transitions.
Q: Can UCC28512DWG4 be used in both buck and boost converter topologies? A: Yes, UCC28512DWG4 can be used in both buck and boost converter topologies.
Q: Does UCC28512DWG4 have built-in protection features? A: Yes, UCC28512DWG4 has built-in protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.
Q: What is adaptive dead-time control? A: Adaptive dead-time control is a feature of UCC28512DWG4 that optimizes the timing between the high-side and low-side MOSFETs to minimize shoot-through current and improve efficiency.
Q: Can UCC28512DWG4 operate in a wide temperature range? A: Yes, UCC28512DWG4 can operate in a wide temperature range from -40°C to 125°C.
Q: What is the maximum switching frequency supported by UCC28512DWG4? A: The maximum switching frequency supported by UCC28512DWG4 is typically 1 MHz.
Q: Are there any evaluation modules or reference designs available for UCC28512DWG4? A: Yes, Texas Instruments provides evaluation modules and reference designs that can help users quickly prototype and implement solutions using UCC28512DWG4.
Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and application notes for detailed information.