UCC28084D

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High-performance resonant mode power supply controller
Package: SOIC-16
Essence: Control and regulation of resonant mode power supplies
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 10V to 20V
Output Voltage Range: 0V to 5V
Operating Temperature Range: -40°C to 125°C
Switching Frequency: 100kHz to 1MHz
Number of Pins: 16
Supply Voltage: 12V

Detailed Pin Configuration

VDD: Supply voltage input
GND: Ground reference
FB: Feedback pin for output voltage regulation
COMP: Compensation pin for loop stability
CS: Current sense input for current regulation
RT/CLK: Resistor-capacitor network for setting switching frequency or external clock input
SS/TRISET: Soft-start and tri-state control pin
SYNC: Synchronization input for multiple ICs
DRVH: High-side gate driver output
DRVL: Low-side gate driver output
VREF: Reference voltage output
VSENSE: Voltage sense input for feedback regulation
VCOMP: Compensation voltage output
VDDA: Analog supply voltage input
VSSA: Analog ground reference
NC: No connection

Functional Features

High-performance resonant mode power supply control
Adaptive dead-time control for improved efficiency
Programmable soft-start and shutdown delay
Overvoltage and undervoltage protection
Overcurrent protection with adjustable threshold
Frequency synchronization for multiple ICs

Advantages and Disadvantages

Advantages

High-performance control for resonant mode power supplies
Adaptive dead-time control improves efficiency
Programmable soft-start and shutdown delay for flexibility
Comprehensive protection features ensure system reliability
Frequency synchronization enables multi-IC applications

Disadvantages

Limited operating temperature range (-40°C to 125°C)
Requires external components for complete power supply implementation

Working Principles

The UCC28084D is a high-performance resonant mode power supply controller. It regulates the output voltage of a resonant power supply by controlling the switching frequency and duty cycle of the power switches. The adaptive dead-time control optimizes the efficiency of the power supply by minimizing switching losses. The programmable soft-start and shutdown delay provide flexibility in system startup and shutdown sequences. The IC also incorporates various protection features such as overvoltage, undervoltage, and overcurrent protection.

Detailed Application Field Plans

The UCC28084D is widely used in various applications that require efficient power management, such as:

Server Power Supplies
Telecom Power Systems
Industrial Power Supplies
LED Lighting Drivers
Renewable Energy Systems

Detailed and Complete Alternative Models

UCC28083D: Similar functionality with different pin configuration (SOIC-8 package)
UCC28085D: Enhanced version with additional features (SOIC-16 package)
UCC28086D: Higher voltage range variant (SOIC-16 package)

(Note: This list is not exhaustive and there may be other alternative models available.)

Word Count: 342

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van UCC28084D in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of UCC28084D in technical solutions:

Q: What is UCC28084D? A: UCC28084D is a high-performance, current-mode PWM controller designed for offline and DC-to-DC power supplies.
Q: What are the key features of UCC28084D? A: Some key features include wide input voltage range, integrated high-voltage startup, cycle-by-cycle current limit, adjustable switching frequency, and protection features.
Q: How can I use UCC28084D in an offline power supply design? A: UCC28084D can be used as the primary controller in an offline power supply design, providing control and regulation of the power conversion process.
Q: Can UCC28084D be used in DC-to-DC converter designs? A: Yes, UCC28084D can also be used in DC-to-DC converter designs, providing control and regulation of the power conversion process in such applications.
Q: What is the maximum input voltage that UCC28084D can handle? A: UCC28084D can handle input voltages up to 600V, making it suitable for a wide range of applications.
Q: How do I set the switching frequency of UCC28084D? A: The switching frequency of UCC28084D can be adjusted using external components, such as resistors and capacitors, according to the desired application requirements.
Q: Does UCC28084D have any protection features? A: Yes, UCC28084D includes various protection features like overvoltage protection, undervoltage lockout, thermal shutdown, and cycle-by-cycle current limit to ensure safe operation.
Q: Can UCC28084D be used in high-power applications? A: Yes, UCC28084D can be used in high-power applications as it is designed to handle high voltages and currents.
Q: Are there any application notes or reference designs available for UCC28084D? A: Yes, Texas Instruments provides application notes and reference designs that can help in understanding and implementing UCC28084D in various technical solutions.
Q: Where can I find more information about UCC28084D? A: You can find more detailed information about UCC28084D, including datasheets, application notes, and reference designs, on the official website of Texas Instruments or by contacting their technical support team.