UCC28060DR

Overview

Category: Integrated Circuit (IC)

Use: Voltage Mode PWM Controller

Characteristics: - High-performance voltage mode controller - Designed for offline and DC-to-DC power supplies - Provides precise regulation of output voltage - Offers protection features such as overvoltage and overcurrent protection - Suitable for various applications including industrial, consumer, and automotive

Package: SOIC-8

Essence: The UCC28060DR is a voltage mode PWM controller that provides accurate regulation of output voltage in offline and DC-to-DC power supplies. It offers high-performance features and protection mechanisms to ensure reliable operation.

Packaging/Quantity: The UCC28060DR is available in a standard SOIC-8 package. It is typically sold in reels or tubes containing multiple units.

Specifications

Input Voltage Range: 9 V to 20 V
Output Voltage Range: 0 V to 5 V
Operating Temperature Range: -40°C to 125°C
Maximum Duty Cycle: 100%
Frequency Range: 50 kHz to 1 MHz
Output Current: Up to 500 mA
Supply Current: 2.5 mA

Pin Configuration

The UCC28060DR has the following pin configuration:

___________ | | NC |1 8| VDD FB |2 7| COMP CS |3 6| GND RT |4 5| CT |___________|

NC: No Connection
FB: Feedback Pin
CS: Current Sense Pin
RT: Timing Resistor Pin
CT: Timing Capacitor Pin
GND: Ground
COMP: Compensation Pin
VDD: Power Supply Voltage

Functional Features

Voltage mode control for precise regulation of output voltage
Adjustable frequency and duty cycle for flexible operation
Overvoltage protection to prevent damage to the load
Overcurrent protection to safeguard against excessive current flow
Soft-start feature for controlled startup and reduced stress on components
Error amplifier with compensation pin for stability and loop control

Advantages and Disadvantages

Advantages: - High-performance controller for accurate voltage regulation - Wide input voltage range allows for versatile applications - Protection features enhance system reliability - Compact SOIC-8 package for space-constrained designs - Suitable for various industries and applications

Disadvantages: - Limited output current capability (up to 500 mA) - Requires external components for complete power supply implementation - May require additional circuitry for specific application requirements

Working Principles

The UCC28060DR operates based on the voltage mode control technique. It compares the feedback voltage from the FB pin with a reference voltage to generate an error signal. This error signal is then amplified and used to adjust the duty cycle of the PWM signal, which controls the power switch in the power supply circuit. By continuously monitoring and adjusting the duty cycle, the UCC28060DR ensures precise regulation of the output voltage.

Detailed Application Field Plans

The UCC28060DR can be applied in various fields, including:

Industrial Power Supplies: The controller can be used in industrial power supplies to regulate the output voltage and provide reliable power for industrial equipment.
Consumer Electronics: It can be employed in consumer electronics such as televisions, audio systems, and gaming consoles to ensure stable and efficient power delivery.
Automotive Electronics: The UCC28060DR is suitable for automotive applications, including electric vehicles, where it can regulate the voltage for different subsystems and components.

Detailed and Complete Alternative Models

UCC28061DR: Similar to UCC28060DR, but with additional features such as synchronization capability.
UCC28062DR: A higher current version of the UCC28060DR, capable of handling up to 1A output current.
UCC28063DR: Offers enhanced protection features and wider input voltage range compared to UCC28060DR.

These alternative models provide similar functionality to the UCC28060DR but may have additional features or specifications tailored for specific applications.

Word count: 537 words

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan UCC28060DR dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of UCC28060DR in technical solutions:

Q: What is UCC28060DR? A: UCC28060DR is a high-performance, current-mode PWM controller designed for offline and DC-to-DC power supply applications.
Q: What are the key features of UCC28060DR? A: Some key features include wide input voltage range, integrated high-voltage startup bias regulator, precise internal reference, and comprehensive protection features.
Q: What are the typical applications of UCC28060DR? A: UCC28060DR is commonly used in applications such as AC/DC power supplies, LED lighting, battery chargers, and motor drives.
Q: How does UCC28060DR help in improving power supply efficiency? A: UCC28060DR incorporates advanced control techniques like frequency foldback and valley switching to optimize efficiency at light loads and reduce power losses.
Q: Can UCC28060DR operate with both fixed and variable frequency modes? A: Yes, UCC28060DR can operate in either fixed frequency mode or variable frequency mode depending on the application requirements.
Q: Does UCC28060DR support primary-side regulation (PSR)? A: Yes, UCC28060DR supports primary-side regulation, allowing for simplified designs and reduced component count.
Q: What are the protection features offered by UCC28060DR? A: UCC28060DR provides protection against overvoltage, undervoltage, overcurrent, overtemperature, and short-circuit conditions.
Q: Can UCC28060DR be easily synchronized with an external clock source? A: Yes, UCC28060DR offers synchronization capability, allowing it to be synchronized with an external clock source for multi-phase operation or noise reduction.
Q: What is the maximum operating frequency of UCC28060DR? A: The maximum operating frequency of UCC28060DR is typically 1 MHz, making it suitable for high-frequency power supply designs.
Q: Is UCC28060DR available in a small package size? A: Yes, UCC28060DR is available in a small 8-pin SOIC package, which makes it suitable for space-constrained applications.

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