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UCC28634DR
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UCC28634DR

Product Overview

Category

UCC28634DR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • UCC28634DR is a highly efficient and versatile IC.
  • It offers excellent performance in regulating and controlling power.
  • The device operates at high frequencies, enabling efficient power conversion.
  • It incorporates various protection features to ensure safe operation.

Package

UCC28634DR is available in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of UCC28634DR lies in its ability to efficiently manage and regulate power in various applications.

Packaging/Quantity

UCC28634DR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 30V
  • Output Voltage Range: 0.8V to 24V
  • Maximum Output Current: 3A
  • Switching Frequency: 100kHz to 1MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for output voltage regulation
  4. COMP: Compensation pin for stability control
  5. CS: Current sense pin for current limit protection
  6. EN: Enable pin for device activation
  7. VCC: Supply voltage pin for internal circuitry
  8. SW: Switching node pin for power transfer

Functional Features

  • High efficiency power conversion
  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent protection
  • Overtemperature protection
  • Soft-start functionality
  • Fault detection and reporting

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Wide input voltage range allows for versatile applications.
  • Adjustable output voltage provides flexibility.
  • Comprehensive protection features ensure safe operation.
  • Soft-start functionality prevents excessive inrush current.

Disadvantages

  • Limited maximum output current may restrict certain high-power applications.
  • Higher switching frequencies may require careful consideration of electromagnetic interference (EMI) issues.

Working Principles

UCC28634DR operates based on a pulse width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the internal power switch. The device continuously monitors the feedback signal and adjusts the duty cycle accordingly to maintain the desired output voltage. Various protection mechanisms, such as overcurrent and overtemperature protection, ensure the safe operation of the device.

Detailed Application Field Plans

UCC28634DR finds extensive application in various power management scenarios, including but not limited to: - AC/DC power supplies - LED lighting systems - Industrial automation equipment - Telecommunication devices - Consumer electronics

Detailed and Complete Alternative Models

  1. UCC28630DR: Similar to UCC28634DR with a lower maximum output current of 2A.
  2. UCC28631DR: Similar to UCC28634DR with a higher maximum output current of 4A.
  3. UCC28632DR: Similar to UCC28634DR with additional features for enhanced protection.
  4. UCC28633DR: Similar to UCC28634DR with a wider input voltage range.
  5. UCC28635DR: Similar to UCC28634DR with a higher switching frequency capability.

These alternative models provide options with varying specifications to cater to different application requirements.

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του UCC28634DR σε τεχνικές λύσεις

Sure! Here are 10 common questions and answers related to the application of UCC28634DR in technical solutions:

  1. Q: What is UCC28634DR? A: UCC28634DR is a highly integrated, active power factor correction (PFC) controller designed for AC/DC power supplies.

  2. Q: What are the key features of UCC28634DR? A: Some key features include high power factor, low total harmonic distortion, wide input voltage range, and advanced protection features.

  3. Q: What is the typical application of UCC28634DR? A: UCC28634DR is commonly used in applications such as LED lighting, consumer electronics, industrial power supplies, and smart home devices.

  4. Q: How does UCC28634DR achieve power factor correction? A: UCC28634DR utilizes a boost converter topology with a control algorithm that actively shapes the input current waveform to achieve high power factor.

  5. Q: What is the maximum output power that UCC28634DR can handle? A: The maximum output power depends on the specific design and external components used, but UCC28634DR can typically handle power levels up to several hundred watts.

  6. Q: Does UCC28634DR support dimming functionality for LED lighting applications? A: No, UCC28634DR is primarily a PFC controller and does not directly support dimming. However, it can be combined with other controllers or drivers to enable dimming functionality.

  7. Q: What are the recommended input and output voltage ranges for UCC28634DR? A: The recommended input voltage range is typically between 85VAC and 265VAC, while the output voltage range depends on the specific application requirements.

  8. Q: Does UCC28634DR have any built-in protection features? A: Yes, UCC28634DR includes various protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.

  9. Q: Can UCC28634DR operate in a wide temperature range? A: Yes, UCC28634DR is designed to operate reliably in a wide temperature range, typically from -40°C to 125°C.

  10. Q: Are there any evaluation boards or reference designs available for UCC28634DR? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help users quickly prototype and implement solutions using UCC28634DR.

Please note that the answers provided here are general and may vary depending on specific design considerations and application requirements.