Texas Instruments
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UCC2802NG4
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UCC2802NG4

Product Overview

The UCC2802NG4 belongs to the category of integrated circuits and is commonly used in power management applications. This device is known for its high efficiency, reliability, and versatility. It comes in a standard package and is available in various quantities to meet different application needs.

Basic Information

  • Category: Integrated Circuit
  • Use: Power Management
  • Characteristics: High Efficiency, Reliability, Versatility
  • Package: Standard
  • Essence: Power Management
  • Packaging/Quantity: Available in Various Quantities

Specifications

The UCC2802NG4 has the following specifications: - Input Voltage Range: 8V to 700V - Output Current: Up to 1A - Operating Temperature Range: -40°C to 125°C - Supply Voltage: 10V to 20V - Frequency Range: 50kHz to 1MHz

Detailed Pin Configuration

The UCC2802NG4 has a detailed pin configuration as follows: 1. VDD (Pin 1): Power supply voltage input 2. RT/CT (Pin 2): Timing resistor/capacitor connection 3. COMP (Pin 3): Error amplifier output 4. CS (Pin 4): Current sense input 5. GND (Pin 5): Ground 6. OUT (Pin 6): Gate driver output 7. RT/SD (Pin 7): Soft start/timing capacitor discharge 8. FB (Pin 8): Feedback input

Functional Features

The UCC2802NG4 offers the following functional features: - High-efficiency power conversion - Overcurrent protection - Soft start for controlled power-up - Error amplifier for precise regulation - Wide input voltage range

Advantages and Disadvantages

Advantages

  • High efficiency
  • Wide input voltage range
  • Overcurrent protection
  • Precise regulation

Disadvantages

  • Limited output current capacity
  • External components required for operation

Working Principles

The UCC2802NG4 operates based on the principle of pulse width modulation (PWM) to regulate the power delivered to the load. It uses feedback from the output to adjust the duty cycle of the PWM signal, ensuring stable and efficient power delivery.

Detailed Application Field Plans

The UCC2802NG4 is widely used in the following application fields: - Switched-mode power supplies - LED lighting systems - Motor control systems - Renewable energy systems

Detailed and Complete Alternative Models

Some alternative models to the UCC2802NG4 include: - UCC2803NG4 - UCC2804NG4 - UCC2805NG4 - UCC2806NG4

In conclusion, the UCC2802NG4 is a versatile and reliable integrated circuit used in power management applications, offering high efficiency and precise regulation. Its wide input voltage range and overcurrent protection make it suitable for various power conversion needs.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням UCC2802NG4 у технічних рішеннях

  1. What is the UCC2802NG4?

    • The UCC2802NG4 is a high-performance, fixed-frequency current-mode PWM controller designed for off-line and DC-to-DC converter applications.

  2. What are the key features of the UCC2802NG4?

    • The key features include a precision reference, programmable oscillator frequency, cycle-by-cycle current limiting, and a high-current totem-pole output stage.

  3. What are the typical applications of the UCC2802NG4?

    • Typical applications include AC/DC power supplies, DC/DC converters, battery chargers, and LED drivers.

  4. How does the UCC2802NG4 help in improving power supply efficiency?

    • The UCC2802NG4 provides precise control over the power supply operation, enabling improved efficiency through optimized switching and regulation.

  5. What protection features does the UCC2802NG4 offer?

    • The UCC2802NG4 offers protection features such as overcurrent protection, overvoltage protection, and thermal shutdown to safeguard the system and the controller itself.

  6. Can the UCC2802NG4 be used in both isolated and non-isolated power supply designs?

    • Yes, the UCC2802NG4 can be used in both isolated and non-isolated power supply designs, making it versatile for various applications.

  7. How does the UCC2802NG4 support power factor correction (PFC) applications?

    • The UCC2802NG4 can be used in PFC applications by providing precise control over the power factor and enabling efficient conversion of AC input power to DC output power.

  8. What are the design considerations when using the UCC2802NG4 in a power supply application?

    • Design considerations include component selection, layout optimization, and proper feedback loop design to ensure stable and reliable operation.

  9. What are the advantages of using the UCC2802NG4 in LED driver applications?

    • The UCC2802NG4 offers precise current control, which is essential for driving LEDs with consistent brightness and efficiency.

  10. Where can I find detailed technical information and application notes for the UCC2802NG4?

    • Detailed technical information and application notes for the UCC2802NG4 can be found on the manufacturer's website or in the product datasheet.