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UCC28528DWR
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UCC28528DWR

Product Overview

Category

UCC28528DWR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • Integrated circuit
  • Power management functionality
  • High efficiency
  • Wide input voltage range
  • Low standby power consumption

Package

UCC28528DWR is available in a standard SOIC-16 package.

Essence

The essence of UCC28528DWR lies in its ability to efficiently manage power in various applications.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 65V
  • Output Voltage Range: 0.8V to 60V
  • Maximum Output Current: 1A
  • Switching Frequency: 100kHz to 2MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin
  4. COMP: Compensation pin
  5. SS/TR: Soft-start/Tracking pin
  6. EN: Enable pin
  7. VREF: Reference voltage pin
  8. VDD: Power supply pin
  9. PGND: Power ground pin
  10. SW: Switch node pin
  11. SYNC: Synchronization pin
  12. RT/CT: Timing resistor/capacitor pin
  13. SS/TR: Soft-start/Tracking pin
  14. VSENSE: Current sense pin
  15. VOUT: Output voltage pin
  16. VCC: Control supply voltage pin

Functional Features

  • Wide input voltage range allows for versatile applications.
  • High efficiency ensures minimal power loss.
  • Integrated soft-start and tracking functionality for smooth operation.
  • Synchronization capability enables synchronization with an external clock source.
  • Comprehensive protection features including overvoltage, undervoltage, and overcurrent protection.

Advantages

  • High efficiency results in reduced power consumption.
  • Wide input voltage range allows for flexibility in various applications.
  • Integrated protection features enhance system reliability.
  • Synchronization capability provides synchronization with other components.

Disadvantages

  • Limited maximum output current may restrict certain high-power applications.
  • The SOIC-16 package may not be suitable for space-constrained designs.

Working Principles

UCC28528DWR operates based on a pulse width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the switching signal. This control mechanism ensures efficient power transfer from the input to the output while maintaining stable voltage levels.

Detailed Application Field Plans

UCC28528DWR finds applications in various fields, including but not limited to: - Power supplies for industrial equipment - Automotive electronics - Telecommunications infrastructure - Renewable energy systems - Consumer electronics

Detailed and Complete Alternative Models

  1. UCC28528EVM-001: Evaluation module for UCC28528DWR
  2. UCC28528-Q1: Automotive-grade version of UCC28528DWR
  3. UCC28528DWT: Thermally enhanced version of UCC28528DWR

These alternative models offer similar functionality and can be considered as substitutes for UCC28528DWR in different applications.

In conclusion, UCC28528DWR is a versatile integrated circuit used for power management applications. With its high efficiency, wide input voltage range, and comprehensive protection features, it offers numerous advantages. However, limitations such as restricted maximum output current and package size should be taken into consideration. Its working principle based on PWM control ensures stable voltage regulation. This product finds applications in various fields, and alternative models are available to suit specific requirements.

Énumérez 10 questions et réponses courantes liées à l'application de UCC28528DWR dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of UCC28528DWR in technical solutions:

  1. Q: What is UCC28528DWR? A: UCC28528DWR is a high-performance synchronous flyback controller IC used for power supply applications.

  2. Q: What are the key features of UCC28528DWR? A: Some key features include wide input voltage range, high efficiency, adjustable switching frequency, and integrated protection features.

  3. Q: What is the typical application of UCC28528DWR? A: UCC28528DWR is commonly used in offline AC-DC power supplies, battery chargers, and LED lighting applications.

  4. Q: How does UCC28528DWR achieve high efficiency? A: UCC28528DWR utilizes advanced control techniques like valley switching and frequency foldback to optimize efficiency at different load conditions.

  5. Q: Can UCC28528DWR operate with a wide input voltage range? A: Yes, UCC28528DWR can operate with an input voltage range typically from 85V to 265V AC.

  6. Q: Is UCC28528DWR suitable for low-power applications? A: Yes, UCC28528DWR is designed to support both low-power and high-power applications due to its flexible design and adjustable parameters.

  7. Q: Does UCC28528DWR have built-in protection features? A: Yes, UCC28528DWR includes protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.

  8. Q: Can UCC28528DWR be used in isolated or non-isolated power supply designs? A: Yes, UCC28528DWR can be used in both isolated and non-isolated power supply designs depending on the specific application requirements.

  9. Q: How can I adjust the switching frequency of UCC28528DWR? A: The switching frequency of UCC28528DWR can be adjusted by changing the value of an external resistor connected to the RT pin.

  10. Q: Are there any evaluation boards or reference designs available for UCC28528DWR? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help users quickly prototype and implement solutions using UCC28528DWR.

Please note that these answers are general and may vary based on specific design considerations and application requirements.