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UCC28811DG4
Product Overview
The UCC28811DG4 belongs to the category of integrated circuits and is specifically designed for use in power management applications. This device is known for its high efficiency, compact package, and versatile characteristics. It is available in a small outline dual in-line package (SOIC) and comes in a quantity of 2500 units per reel.
Specifications
- Input Voltage Range: 85V to 265V
- Output Voltage Range: 5V to 24V
- Maximum Output Current: 100mA
- Operating Temperature Range: -40°C to 125°C
- Package Type: SOIC-8
Detailed Pin Configuration
The UCC28811DG4 features an 8-pin configuration with pins designated for input voltage, ground, feedback, output voltage, and other essential connections. The detailed pinout can be found in the product datasheet.
Functional Features
- High Efficiency: The UCC28811DG4 is designed to deliver high efficiency in power management applications, reducing energy loss and heat generation.
- Overcurrent Protection: This device incorporates overcurrent protection to safeguard the circuit from excessive current flow.
- Soft Start Function: The soft start feature ensures a gradual increase in output voltage, preventing sudden power surges.
Advantages and Disadvantages
Advantages
- Compact Package: The SOIC package offers a space-saving solution for applications with limited board space.
- Wide Input Voltage Range: The device can accommodate a wide range of input voltages, making it suitable for various power supply designs.
Disadvantages
- Limited Output Current: The maximum output current of 100mA may not be sufficient for high-power applications.
Working Principles
The UCC28811DG4 operates by regulating the input voltage and converting it to a stable output voltage using a control loop that adjusts the duty cycle of the internal switch. This enables efficient power transfer and regulation within the specified output range.
Detailed Application Field Plans
The UCC28811DG4 is well-suited for a range of applications including: - AC/DC Power Supplies - LED Lighting Systems - Home Appliances - Industrial Equipment
Detailed and Complete Alternative Models
- UCC28810DG4: Similar functionality with a different pin configuration.
- UCC28812DG4: Higher output current capability with similar specifications.
In conclusion, the UCC28811DG4 is a versatile and efficient power management IC suitable for various applications, offering a balance of performance and compact design.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací UCC28811DG4 v technických řešeních
Sure, here are 10 common questions and answers related to the application of UCC28811DG4 in technical solutions:
Q: What is the UCC28811DG4? A: The UCC28811DG4 is a highly integrated active power factor correction (PFC) controller designed for AC-DC power supplies.
Q: What is the input voltage range for the UCC28811DG4? A: The UCC28811DG4 supports an input voltage range from 85VAC to 265VAC.
Q: What is the typical output power range for the UCC28811DG4? A: The UCC28811DG4 is typically used in applications with output power ranging from 75W to 400W.
Q: What are the key features of the UCC28811DG4? A: The key features of the UCC28811DG4 include high power factor, low total harmonic distortion, and comprehensive protection features.
Q: What type of power supply topologies can the UCC28811DG4 be used in? A: The UCC28811DG4 can be used in both flyback and boost power supply topologies.
Q: What is the operating frequency range of the UCC28811DG4? A: The UCC28811DG4 operates at a fixed frequency of 65kHz.
Q: What are the typical applications for the UCC28811DG4? A: Typical applications for the UCC28811DG4 include LED lighting, home appliances, and industrial power supplies.
Q: Does the UCC28811DG4 have overvoltage protection? A: Yes, the UCC28811DG4 includes overvoltage protection to safeguard the power supply and connected equipment.
Q: Can the UCC28811DG4 operate in continuous conduction mode (CCM)? A: Yes, the UCC28811DG4 can operate in both discontinuous conduction mode (DCM) and continuous conduction mode (CCM).
Q: What are the recommended external components for implementing the UCC28811DG4 in a power supply design? A: The recommended external components include a MOSFET, inductor, diode, and input/output capacitors, as well as resistors and capacitors for setting various parameters and protections.