Texas Instruments
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UCC28083PG4
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UCC28083PG4

Product Overview

Category

UCC28083PG4 belongs to the category of integrated circuits (ICs) used in power management applications.

Use

This IC is specifically designed for controlling and regulating switch-mode power supplies (SMPS). It provides essential features for efficient power conversion and control.

Characteristics

  • High-performance power management IC
  • Designed for SMPS applications
  • Offers advanced control and regulation features
  • Enables efficient power conversion
  • Provides protection mechanisms for safe operation

Package

UCC28083PG4 is available in a standard 8-pin dual in-line package (DIP), which facilitates easy integration into various electronic systems.

Essence

The essence of UCC28083PG4 lies in its ability to regulate and control power supply systems efficiently, ensuring optimal performance and reliability.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with each reel containing a specific quantity of UCC28083PG4 ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Input voltage range: 10V to 20V
  • Output voltage range: 0V to 15V
  • Maximum output current: 2A
  • Operating temperature range: -40°C to 125°C
  • Supply voltage: 3.3V to 5V
  • Frequency range: 50kHz to 500kHz

Detailed Pin Configuration

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

Functional Features

  • Voltage regulation: UCC28083PG4 ensures stable and accurate output voltage regulation, maintaining the desired voltage level.
  • Current regulation: It provides precise current regulation to protect the power supply system from overload or short-circuit conditions.
  • Soft-start and tracking: The soft-start feature allows gradual ramp-up of the output voltage during startup, preventing excessive inrush current. Tracking enables synchronization with external signals.
  • Protection mechanisms: The IC incorporates various protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown for safe operation.

Advantages and Disadvantages

Advantages

  • High-performance power management capabilities
  • Efficient power conversion and control
  • Comprehensive protection mechanisms
  • Compact and easy-to-integrate package

Disadvantages

  • Limited output current capacity (2A)
  • Restricted frequency range (50kHz to 500kHz)

Working Principles

UCC28083PG4 operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the PWM signal. By monitoring feedback and current sense signals, it continuously adjusts the switching frequency and duty cycle to maintain the desired output voltage and current levels.

Detailed Application Field Plans

UCC28083PG4 finds applications in various power management systems, including: 1. Switch-mode power supplies (SMPS) for consumer electronics 2. Industrial power converters 3. LED lighting systems 4. Battery charging circuits 5. Motor control systems

Detailed and Complete Alternative Models

  1. UCC28084PG4: Similar to UCC28083PG4 but with higher output current capacity (up to 5A).
  2. UCC28085PG4: Offers extended frequency range (up to 1MHz) for specialized applications.
  3. UCC28086PG4: Provides additional features such as power factor correction (PFC) for improved energy efficiency.

Note: The above alternative models are from the same UCC2808xPG4 series and offer similar functionality with slight variations in specifications.

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Énumérez 10 questions et réponses courantes liées à l'application de UCC28083PG4 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of UCC28083PG4 in technical solutions:

  1. Q: What is UCC28083PG4? A: UCC28083PG4 is a pulse width modulation (PWM) controller IC designed for controlling power converters in applications such as AC/DC power supplies, LED lighting, and motor drives.

  2. Q: What are the key features of UCC28083PG4? A: Some key features of UCC28083PG4 include integrated high-voltage startup, cycle-by-cycle current limit, adjustable switching frequency, soft-start capability, and protection features like overvoltage and overcurrent protection.

  3. Q: How does UCC28083PG4 help in power converter designs? A: UCC28083PG4 provides precise control over the power conversion process, allowing designers to achieve efficient and reliable power conversion with features like adjustable frequency, current limiting, and protection mechanisms.

  4. Q: Can UCC28083PG4 be used in both AC/DC and DC/DC power supply designs? A: Yes, UCC28083PG4 can be used in both AC/DC and DC/DC power supply designs, making it versatile for various applications.

  5. Q: What is the maximum operating voltage range of UCC28083PG4? A: The maximum operating voltage range of UCC28083PG4 is typically between 8V and 18V.

  6. Q: How can I adjust the switching frequency of UCC28083PG4? A: The switching frequency of UCC28083PG4 can be adjusted by changing the value of an external resistor connected to the RT pin.

  7. Q: Does UCC28083PG4 have any protection features? A: Yes, UCC28083PG4 has built-in protection features such as overvoltage protection (OVP), cycle-by-cycle current limit, and thermal shutdown.

  8. Q: Can UCC28083PG4 be used in high-power applications? A: Yes, UCC28083PG4 can be used in high-power applications by using external power devices capable of handling the required power levels.

  9. Q: What is the purpose of the soft-start feature in UCC28083PG4? A: The soft-start feature in UCC28083PG4 gradually ramps up the output voltage during startup, reducing stress on components and preventing excessive inrush current.

  10. Q: Are there any application notes or reference designs available for UCC28083PG4? A: Yes, Texas Instruments provides application notes and reference designs that showcase the use of UCC28083PG4 in various power supply applications. These resources can help designers get started with their own designs.

Please note that the answers provided here are general and may vary depending on specific design requirements and application scenarios. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.