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UCC2813D-2
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UCC2813D-2

Product Overview

Category

UCC2813D-2 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
  • Compact size

Package

UCC2813D-2 is available in a small outline package (SOP) format.

Essence

The essence of UCC2813D-2 lies in its ability to efficiently manage power in various electronic devices.

Packaging/Quantity

This product is typically packaged in reels and is available in quantities of 2500 units per reel.

Specifications

  • Input voltage range: 4.5V to 16V
  • Output voltage range: 0.8V to 12V
  • Maximum output current: 500mA
  • Operating temperature range: -40°C to 85°C
  • Switching frequency: 100kHz to 1MHz

Detailed Pin Configuration

UCC2813D-2 has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. COMP: Compensation pin for feedback control
  4. FB: Feedback pin for voltage regulation
  5. RT/CT: Timing components for oscillator frequency control
  6. OUT: Output pin for regulated voltage
  7. CS: Current sense pin for current monitoring
  8. SS/TR: Soft-start and shutdown control pin

Functional Features

  • Voltage regulation: UCC2813D-2 provides precise voltage regulation for stable operation of electronic devices.
  • Current sensing: It incorporates current sensing functionality to monitor and control the output current.
  • Soft-start and shutdown control: The soft-start feature ensures a gradual increase in output voltage during startup, while the shutdown control allows for easy power management.

Advantages and Disadvantages

Advantages

  • High efficiency: UCC2813D-2 offers high efficiency, resulting in reduced power consumption.
  • Compact size: Its small form factor makes it suitable for space-constrained applications.
  • Precise voltage regulation: The product ensures accurate voltage regulation, enhancing the performance of electronic devices.

Disadvantages

  • Limited output current: The maximum output current of 500mA may not be sufficient for high-power applications.
  • Narrow input voltage range: The input voltage range of 4.5V to 16V may limit its compatibility with certain systems.

Working Principles

UCC2813D-2 operates based on a pulse width modulation (PWM) control scheme. It uses feedback from the COMP and FB pins to regulate the output voltage. The timing components connected to the RT/CT pin determine the switching frequency of the internal oscillator. By adjusting the duty cycle of the PWM signal, the IC controls the output voltage and maintains stability.

Detailed Application Field Plans

UCC2813D-2 finds applications in various fields, including:

  1. Power supplies for consumer electronics
  2. Battery charging circuits
  3. LED lighting systems
  4. Industrial automation equipment
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. UCC2813D-1: Similar to UCC2813D-2, but with a different output voltage range.
  2. UCC2813D-3: Another variant with additional features such as overvoltage protection.
  3. UCC2813D-4: A higher current version capable of delivering up to 1A of output current.

These alternative models offer similar functionality to UCC2813D-2 but may have variations in specifications or additional features to cater to specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací UCC2813D-2 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of UCC2813D-2 in technical solutions:

  1. Q: What is UCC2813D-2? A: UCC2813D-2 is a high-performance current-mode PWM controller used for regulating power supplies.

  2. Q: What are the key features of UCC2813D-2? A: Some key features include adjustable frequency operation, internal soft-start, cycle-by-cycle current limiting, and low-power standby mode.

  3. Q: How does UCC2813D-2 help in power supply regulation? A: UCC2813D-2 provides precise control over the output voltage and current of a power supply, ensuring stable and efficient operation.

  4. Q: Can UCC2813D-2 be used in both AC-DC and DC-DC power supplies? A: Yes, UCC2813D-2 can be used in both AC-DC and DC-DC power supply applications.

  5. Q: What is the maximum operating frequency of UCC2813D-2? A: The maximum operating frequency of UCC2813D-2 is typically around 500 kHz.

  6. Q: How does UCC2813D-2 handle overcurrent conditions? A: UCC2813D-2 incorporates cycle-by-cycle current limiting, which protects the power supply from overcurrent conditions.

  7. Q: Does UCC2813D-2 have built-in protection features? A: Yes, UCC2813D-2 includes features like overvoltage protection, undervoltage lockout, and thermal shutdown to ensure safe operation.

  8. Q: Can UCC2813D-2 operate in a wide input voltage range? A: Yes, UCC2813D-2 can operate in a wide input voltage range, typically from 8V to 35V.

  9. Q: Is UCC2813D-2 suitable for high-power applications? A: UCC2813D-2 is primarily designed for low to medium power applications, typically up to a few hundred watts.

  10. Q: Are there any application notes or reference designs available for UCC2813D-2? A: Yes, Texas Instruments provides application notes and reference designs that can help in implementing UCC2813D-2 in various technical solutions.

Please note that the answers provided here are general and may vary depending on specific design requirements and application scenarios. It's always recommended to refer to the datasheet and relevant documentation for accurate information.