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UCC3807N-2G4
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UCC3807N-2G4

Introduction

The UCC3807N-2G4 is a member of the UCC3807x family of high-performance current-mode PWM controllers. This device is designed for use in various power management applications and offers a range of features and characteristics that make it suitable for a wide array of uses.

Basic Information Overview

  • Category: Power Management IC
  • Use: Current-mode PWM controller
  • Characteristics: High performance, versatile, reliable
  • Package: PDIP-8, SOIC-8
  • Essence: Efficient power management
  • Packaging/Quantity: Tube/50 units, Tape and Reel/2500 units

Specifications

  • Input Voltage: 10V to 20V
  • Output Voltage: 0V to 5V
  • Operating Temperature: -40°C to 125°C
  • Frequency Range: 50kHz to 1MHz
  • Output Current: 1A

Detailed Pin Configuration

  1. VREF
  2. COMP
  3. FB
  4. RT/CT
  5. GND
  6. OUTPUT
  7. VCC
  8. CS

Functional Features

  • Current-mode control
  • Adjustable switching frequency
  • Soft start capability
  • Overcurrent protection
  • Undervoltage lockout

Advantages and Disadvantages

Advantages

  • High-performance current-mode PWM control
  • Versatile frequency range
  • Robust overcurrent protection
  • Wide operating temperature range

Disadvantages

  • Limited output current compared to some alternatives
  • Requires external components for full functionality

Working Principles

The UCC3807N-2G4 operates on the principle of current-mode control, where the output voltage is regulated by modulating the duty cycle of the PWM signal based on the sensed current. This allows for efficient and precise power management across a wide range of operating conditions.

Detailed Application Field Plans

The UCC3807N-2G4 is well-suited for various power management applications, including: - Switched-mode power supplies - DC-DC converters - LED lighting systems - Battery charging circuits

Detailed and Complete Alternative Models

  • UCC3807-1: Similar performance with different pin configuration
  • UCC3807-3: Enhanced features and higher output current
  • UCC3807-4: Lower cost variant with reduced operating temperature range

In conclusion, the UCC3807N-2G4 is a versatile and high-performance current-mode PWM controller suitable for a wide range of power management applications. Its robust features and characteristics make it an excellent choice for designers seeking efficient and reliable power management solutions.

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10個與UCC3807N-2G4在技術方案中應用相關的常見問題與解答

  1. What is the UCC3807N-2G4?

    • The UCC3807N-2G4 is a high-performance current-mode PWM controller designed for applications requiring high efficiency and fast transient response.

  2. What are the key features of the UCC3807N-2G4?

    • The key features include a wide input voltage range, programmable soft start, cycle-by-cycle current limiting, and adjustable switching frequency.

  3. What are the typical applications of the UCC3807N-2G4?

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

  4. How does the UCC3807N-2G4 help improve efficiency in power supplies?

    • The UCC3807N-2G4 provides precise control over the power supply operation, enabling higher efficiency through optimized switching and regulation.

  5. What is the maximum operating frequency of the UCC3807N-2G4?

    • The UCC3807N-2G4 can operate at frequencies up to 1MHz, allowing for compact and efficient power supply designs.

  6. Can the UCC3807N-2G4 be used in flyback converter designs?

    • Yes, the UCC3807N-2G4 is suitable for flyback converter topologies and offers flexibility in design implementation.

  7. How does the UCC3807N-2G4 handle overcurrent protection?

    • The UCC3807N-2G4 incorporates cycle-by-cycle current limiting to protect against overcurrent conditions, ensuring safe and reliable operation.

  8. Is the UCC3807N-2G4 compatible with both analog and digital control circuits?

    • Yes, the UCC3807N-2G4 is compatible with both analog and digital control circuits, providing versatility in system integration.

  9. What are the recommended input and output capacitor values for the UCC3807N-2G4?

    • The datasheet provides recommended input and output capacitor values based on the specific application requirements and operating conditions.

  10. Are there any known issues or limitations when using the UCC3807N-2G4 in certain applications?

    • While the UCC3807N-2G4 is a robust and versatile controller, it's important to consider factors such as thermal management and component selection to ensure optimal performance in all applications.