Texas Instruments
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
UCC28C45DGKRG4
詳細を表示 DataSheets

UCC28C45DGKRG4

Product Overview

Category

UCC28C45DGKRG4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

  • High efficiency
  • Low power consumption
  • Wide input voltage range
  • Fast response time

Package

UCC28C45DGKRG4 is available in a small form factor package, such as the MSOP-10 package.

Essence

The essence of UCC28C45DGKRG4 lies in its ability to regulate and control power flow efficiently.

Packaging/Quantity

Typically, UCC28C45DGKRG4 is packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.8V to 12V
  • Maximum Output Current: 1A
  • Switching Frequency: 100kHz to 1MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

UCC28C45DGKRG4 has the following pin configuration:

  1. VDD: Power supply voltage input
  2. GND: Ground reference
  3. COMP: Compensation pin for feedback loop
  4. FB: Feedback pin for output voltage regulation
  5. RT/CT: Timing resistor/capacitor connection
  6. CT: Timing capacitor connection
  7. SS/TR: Soft-start/tracking pin
  8. OUT: Output voltage pin
  9. SYNC: Synchronization input pin
  10. EN/UVLO: Enable/Undervoltage lockout pin

Functional Features

  • Voltage regulation: UCC28C45DGKRG4 provides precise voltage regulation for power management applications.
  • Soft-start: The soft-start feature ensures a gradual increase in output voltage during startup, preventing excessive current flow.
  • Synchronization: The synchronization input allows for synchronization with an external clock signal.
  • Enable/Undervoltage lockout: The enable/undervoltage lockout pin provides control over the IC's operation and protects against undervoltage conditions.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Wide input voltage range allows for versatile applications.
  • Fast response time ensures quick and accurate voltage regulation.

Disadvantages

  • Limited maximum output current may restrict certain high-power applications.
  • Operating temperature range might not be suitable for extreme environments.

Working Principles

UCC28C45DGKRG4 operates based on the principle of pulse width modulation (PWM). It uses feedback from the output voltage to adjust the duty cycle of the switching signal, thereby regulating the output voltage. By controlling the timing and duration of the switching pulses, the IC efficiently converts the input voltage to the desired output voltage.

Detailed Application Field Plans

UCC28C45DGKRG4 finds extensive use in various power management applications, including but not limited to: - DC-DC converters - Switching power supplies - LED drivers - Battery chargers

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to UCC28C45DGKRG4 are: - UCC28C42DGKRG4 - UCC28C43DGKRG4 - UCC28C44DGKRG4 - UCC28C46DGKRG4

These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific applications.

Word count: 507 words

技術ソリューションにおける UCC28C45DGKRG4 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of UCC28C45DGKRG4 in technical solutions:

  1. Q: What is UCC28C45DGKRG4? A: UCC28C45DGKRG4 is a high-performance current mode PWM controller used in power supply applications.

  2. Q: What are the key features of UCC28C45DGKRG4? A: Some key features include wide input voltage range, adjustable switching frequency, cycle-by-cycle current limit, and soft-start function.

  3. Q: How does UCC28C45DGKRG4 help in power supply designs? A: UCC28C45DGKRG4 provides precise control over the power supply's output voltage and current, ensuring stable and efficient operation.

  4. Q: Can UCC28C45DGKRG4 be used in both AC-DC and DC-DC power supplies? A: Yes, UCC28C45DGKRG4 can be used in both AC-DC and DC-DC power supply designs.

  5. Q: What is the maximum operating frequency of UCC28C45DGKRG4? A: The maximum operating frequency of UCC28C45DGKRG4 is typically around 1 MHz.

  6. Q: Does UCC28C45DGKRG4 have built-in protection features? A: Yes, UCC28C45DGKRG4 includes features like overvoltage protection, undervoltage lockout, and thermal shutdown for enhanced system reliability.

  7. Q: Can UCC28C45DGKRG4 operate in a wide temperature range? A: Yes, UCC28C45DGKRG4 has a wide operating temperature range of -40°C to 125°C.

  8. Q: How can I adjust the output voltage of a power supply using UCC28C45DGKRG4? A: The output voltage can be adjusted by changing the feedback resistors connected to the FB pin of UCC28C45DGKRG4.

  9. Q: Is UCC28C45DGKRG4 suitable for high-power applications? A: Yes, UCC28C45DGKRG4 is suitable for a wide range of power levels, including high-power applications.

  10. Q: Are there any application notes or reference designs available for UCC28C45DGKRG4? A: Yes, Texas Instruments provides application notes and reference designs that can help in implementing UCC28C45DGKRG4 in various power supply solutions.

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