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UC3823DW
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UC3823DW

Product Overview

  • Category: Integrated Circuit
  • Use: Power Management
  • Characteristics: High efficiency, voltage mode PWM controller
  • Package: SOIC-16
  • Essence: Regulates power supply in electronic devices
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Input Voltage: 8V to 35V
  • Output Voltage: 1.25V to 30V
  • Operating Temperature: -40°C to 85°C
  • Switching Frequency: 100kHz to 1MHz
  • Output Current: 500mA

Detailed Pin Configuration

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

Functional Features

  • Voltage Mode Operation
  • Adjustable Soft Start
  • Overcurrent Protection
  • Thermal Shutdown
  • Error Amplifier with Low Output Resistance

Advantages and Disadvantages

Advantages: - Wide Input Voltage Range - High Efficiency - Flexible Frequency Adjustment

Disadvantages: - Limited Output Current - Requires External Components for Full Functionality

Working Principles

The UC3823DW is a voltage mode PWM controller that regulates the output voltage by adjusting the duty cycle of the internal oscillator. It compares the feedback voltage with a reference voltage and adjusts the output accordingly. The soft start feature prevents excessive inrush current during startup.

Detailed Application Field Plans

The UC3823DW is commonly used in switch-mode power supplies, battery chargers, and DC-DC converters. Its wide input voltage range and adjustable frequency make it suitable for various power management applications.

Detailed and Complete Alternative Models

  • UC3823A
  • UC3823B
  • UC3823C
  • UC3823D

This completes the entry for UC3823DW, providing comprehensive information about its product details, specifications, features, and application fields within the required word count.

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням UC3823DW у технічних рішеннях

  1. What is the UC3823DW?

    • The UC3823DW is a high-speed PWM controller designed for high-frequency power supplies.

  2. What is the input voltage range of UC3823DW?

    • The input voltage range of UC3823DW is typically 8V to 35V.

  3. What is the maximum duty cycle of UC3823DW?

    • The maximum duty cycle of UC3823DW is typically 100%.

  4. What are the typical applications of UC3823DW?

    • Typical applications of UC3823DW include DC-DC converters, off-line power supplies, and battery chargers.

  5. What is the switching frequency range of UC3823DW?

    • The switching frequency range of UC3823DW is typically 50kHz to 1MHz.

  6. Does UC3823DW have built-in protection features?

    • Yes, UC3823DW has built-in features such as overcurrent protection and thermal shutdown.

  7. What type of control method does UC3823DW use?

    • UC3823DW uses voltage mode control for regulating the output voltage.

  8. Can UC3823DW be used in automotive applications?

    • Yes, UC3823DW can be used in automotive applications due to its wide input voltage range and robust design.

  9. What are the key advantages of using UC3823DW in power supply designs?

    • Some key advantages include high efficiency, fast transient response, and ease of implementation.

  10. Are there any application notes or reference designs available for UC3823DW?

    • Yes, Texas Instruments provides application notes and reference designs for implementing UC3823DW in various technical solutions.