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UCC28083DG4
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UCC28083DG4 - English Editing Encyclopedia Entry

Product Overview

Category

UCC28083DG4 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is commonly used in various power supply systems, including switch-mode power supplies (SMPS), battery chargers, and LED drivers.

Characteristics

  • UCC28083DG4 is a highly efficient and versatile IC that enables precise control and regulation of power delivery.
  • It offers excellent performance in terms of voltage regulation, current sensing, and protection features.
  • The IC operates at high frequencies, allowing for compact designs and reduced component count.
  • It supports both continuous and discontinuous conduction modes, providing flexibility in different power supply topologies.

Package and Quantity

UCC28083DG4 is available in a small outline package (SOP) with 8 pins. It is typically sold in reels or tubes containing multiple units, depending on the supplier's packaging specifications.

Specifications

  • Input Voltage Range: 9V to 20V
  • Output Voltage Range: 0V to 15V
  • Maximum Output Current: 2A
  • Switching Frequency: 100kHz to 1MHz
  • Operating Temperature Range: -40°C to 125°C

Pin Configuration

The UCC28083DG4 IC has the following pin configuration:

  1. VDD: Power supply input
  2. GND: Ground reference
  3. FB: Feedback pin for voltage regulation
  4. COMP: Compensation pin for stability control
  5. CS: Current sense pin for current regulation
  6. RT/CT: Timing components connection for frequency control
  7. SS/UVLO: Soft-start and undervoltage lockout control
  8. OUT: Output pin for power delivery

Functional Features

  • Voltage Regulation: UCC28083DG4 provides precise voltage regulation through its feedback loop, ensuring stable output voltages even under varying load conditions.
  • Current Regulation: The IC incorporates a current sense pin that enables accurate current regulation, protecting the power supply and connected devices from overcurrent situations.
  • Soft-Start: The soft-start feature allows for gradual ramp-up of the output voltage, reducing inrush currents and preventing excessive stress on components during startup.
  • Undervoltage Lockout (UVLO): UVLO functionality ensures that the IC operates within safe voltage ranges, preventing damage to the power supply or connected devices in case of insufficient input voltage.
  • Protection Features: UCC28083DG4 includes various protection mechanisms such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown, safeguarding the system from potential failures.

Advantages and Disadvantages

Advantages

  • High efficiency and precise control enable energy-saving designs.
  • Wide input voltage range allows for versatile applications.
  • Compact size and reduced component count contribute to space-saving designs.
  • Comprehensive protection features enhance system reliability.
  • Flexibility in power supply topologies supports diverse application requirements.

Disadvantages

  • Limited maximum output current may restrict usage in high-power applications.
  • Higher switching frequencies can introduce additional electromagnetic interference (EMI) challenges.

Working Principles

UCC28083DG4 operates based on a pulse-width modulation (PWM) control scheme. It utilizes feedback from the output voltage and current sensing to regulate the power delivered to the load. By adjusting the duty cycle of the PWM signal, the IC controls the switching of power transistors, maintaining the desired output voltage and current levels.

Detailed Application Field Plans

UCC28083DG4 finds extensive application in the following fields:

  1. Switch-mode power supplies (SMPS) for computers, telecommunication equipment, and industrial machinery.
  2. Battery chargers for electric vehicles, portable electronics, and renewable energy systems.
  3. LED drivers for lighting applications in residential, commercial, and automotive sectors.

Detailed Alternative Models

  1. UCC28084DG4: Similar to UCC28083DG4 with enhanced output current capability (up to 5A).
  2. UCC28085DG4: Similar to UCC28083DG4 with additional features like power factor correction (PFC) control.

Note: The above alternative models are recommended based on similar functionality and compatibility but may have different specifications and pin configurations. It is advisable to refer to the respective datasheets for detailed information.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של UCC28083DG4 בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of UCC28083DG4 in technical solutions:

  1. Q: What is UCC28083DG4? A: UCC28083DG4 is a high-performance, current-mode PWM controller designed for offline and DC-to-DC power supply applications.

  2. Q: What are the key features of UCC28083DG4? A: Some key features include wide input voltage range, integrated high-voltage startup, cycle-by-cycle peak current limit, and adjustable switching frequency.

  3. Q: What are the typical applications of UCC28083DG4? A: UCC28083DG4 is commonly used in applications such as AC/DC power supplies, LED drivers, battery chargers, and motor control.

  4. Q: How does UCC28083DG4 help in improving power supply efficiency? A: UCC28083DG4 offers advanced control techniques like valley switching and frequency foldback that help improve power supply efficiency.

  5. Q: Can UCC28083DG4 handle high input voltages? A: Yes, UCC28083DG4 can handle input voltages up to 600V, making it suitable for various industrial and consumer applications.

  6. Q: Does UCC28083DG4 have protection features? A: Yes, UCC28083DG4 provides protection features like overvoltage protection, undervoltage lockout, and thermal shutdown to ensure safe operation.

  7. Q: How can I adjust the switching frequency of UCC28083DG4? A: The switching frequency can be adjusted by changing the value of an external resistor connected to the RT pin of UCC28083DG4.

  8. Q: Is UCC28083DG4 compatible with both continuous and discontinuous conduction modes? A: Yes, UCC28083DG4 is designed to operate in both continuous and discontinuous conduction modes, providing flexibility in various applications.

  9. Q: Can UCC28083DG4 be used in flyback converter topologies? A: Yes, UCC28083DG4 can be used in flyback converter topologies, which are commonly used in isolated power supply designs.

  10. Q: Are there any evaluation modules or reference designs available for UCC28083DG4? A: Yes, Texas Instruments provides evaluation modules and reference designs that can help users quickly prototype and implement UCC28083DG4-based solutions.

Please note that these questions and answers are general and may vary depending on specific application requirements.