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UCC28060DRG4
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UCC28060DRG4

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High-performance current mode PWM controller - Designed for offline flyback converters - Provides precise control of power supply output voltage and current - Offers protection features for safe operation

Package: SOIC-8

Essence: The UCC28060DRG4 is a highly efficient current mode PWM controller used in offline flyback converters. It ensures accurate regulation of power supply output voltage and current, while also providing essential protection features for reliable and safe operation.

Packaging/Quantity: The UCC28060DRG4 is available in a standard SOIC-8 package. It is typically sold in reels containing 2500 units.

Specifications

  • Input Voltage Range: 9 V to 20 V
  • Output Voltage Range: 0 V to 30 V
  • Maximum Output Current: 1 A
  • Switching Frequency: 100 kHz to 500 kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The UCC28060DRG4 has the following pin configuration:

  1. COMP: Compensation pin for external compensation network.
  2. FB: Feedback pin for regulating the output voltage.
  3. CS: Current sense input pin for sensing the output current.
  4. GND: Ground reference pin.
  5. VDD: Supply voltage input pin.
  6. DRVH: High-side gate driver output pin.
  7. DRVL: Low-side gate driver output pin.
  8. VREF: Reference voltage output pin.

Functional Features

  • Precise voltage and current regulation
  • Adjustable switching frequency
  • Soft-start function for controlled startup
  • Overvoltage protection
  • Undervoltage lockout
  • Overcurrent protection
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High-performance current mode PWM controller - Accurate voltage and current regulation - Comprehensive protection features - Adjustable switching frequency for flexibility - Compact SOIC-8 package for space-saving designs

Disadvantages: - Limited maximum output current (1 A) - Narrow input voltage range (9 V to 20 V)

Working Principles

The UCC28060DRG4 operates as a current mode PWM controller in offline flyback converters. It senses the output voltage and current through the feedback pin (FB) and current sense input pin (CS), respectively. By comparing these values with the desired setpoints, it adjusts the duty cycle of the power switch to regulate the output voltage and maintain stable operation.

The controller also incorporates various protection features such as overvoltage protection, undervoltage lockout, overcurrent protection, and thermal shutdown. These safeguards ensure the safe and reliable operation of the power supply under different operating conditions.

Detailed Application Field Plans

The UCC28060DRG4 is widely used in various applications, including but not limited to: - AC/DC power supplies - LED lighting systems - Battery chargers - Industrial automation equipment - Consumer electronics

Its high-performance characteristics, precise regulation, and comprehensive protection features make it suitable for demanding power management applications across different industries.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the UCC28060DRG4 are:

  1. UCC28061DRG4
  2. UCC28062DRG4
  3. UCC28063DRG4
  4. UCC28064DRG4

These models offer similar functionality and performance characteristics, providing designers with options based on specific requirements and preferences.

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10個與UCC28060DRG4在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of UCC28060DRG4 in technical solutions:

  1. Q: What is UCC28060DRG4? A: UCC28060DRG4 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 UCC28060DRG4? A: Some key features include integrated high-voltage startup, cycle-by-cycle current limit, adjustable switching frequency, and soft-start functionality.

  3. Q: What are the typical applications of UCC28060DRG4? A: UCC28060DRG4 is commonly used in applications such as AC/DC power supplies, LED lighting, battery chargers, and motor drives.

  4. Q: How does UCC28060DRG4 help in improving power supply efficiency? A: UCC28060DRG4 incorporates advanced control techniques like valley switching and frequency foldback to improve power supply efficiency.

  5. Q: Can UCC28060DRG4 handle high input voltages? A: Yes, UCC28060DRG4 can handle input voltages up to 600V, making it suitable for various high-voltage applications.

  6. Q: Does UCC28060DRG4 have protection features? A: Yes, UCC28060DRG4 includes features like overvoltage protection, undervoltage lockout, and thermal shutdown to ensure safe operation.

  7. Q: How can I adjust the switching frequency of UCC28060DRG4? A: The switching frequency can be adjusted by changing the value of an external resistor connected to the RT pin of UCC28060DRG4.

  8. Q: Can UCC28060DRG4 operate in a wide temperature range? A: Yes, UCC28060DRG4 is designed to operate over a wide temperature range, typically from -40°C to 125°C.

  9. Q: Is UCC28060DRG4 suitable for both flyback and forward converter topologies? A: Yes, UCC28060DRG4 can be used in both flyback and forward converter topologies, providing flexibility in design.

  10. Q: Are there any evaluation modules or reference designs available for UCC28060DRG4? A: Yes, Texas Instruments provides evaluation modules and reference designs that can help in the quick prototyping and implementation of UCC28060DRG4-based solutions.

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