UCC28019AD

Name: UCC28019AD
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

PFC Controller with 65kHz CCM for Enhanced Start-up and Transient Response

5,579 Effective Inventory

UCC28019AD

Effective Inventory5,579

PFC Controller with 65kHz CCM for Enhanced Start-up and Transient Response

Manufacturer Part # : UCC28019AD
Package/Case: SOIC (D)-8
Brand: Texas Instruments
Product Categories : PFC (Power Factor Correction)
Series : UCC28019

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UCC28019AD DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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UCC28019AD Details

The UCC28019AD is a PFC controller from Texas Instruments, designed for power factor correction in AC-DC power supplies. This controller offers high efficiency and power factor correction, ensuring compliance with power quality standards. It features integrated circuitry for improved transient response and accurate control of the power factor.

Pinout

1 (VDD): Power Supply Voltage
2 (RTN): Ground
3 (VSENSE): Voltage Sense Input
4 (VCOMP): Voltage Feedback Compensation
5 (IAC): AC Current Sense Input
6 (IAC_RTN): AC Current Sense Ground
7 (VSYNC): Synchronization Input
8 (COMP): Compensation Input

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Power Factor Correction: Ensures high power factor and compliance with regulations.
Efficiency: Provides high efficiency in AC-DC power conversion.
Transient Response: Integrated circuitry for improved transient response.
Accurate Control: Enables precise control of power factor correction.
Power Quality: Helps improve overall power quality in electrical systems.

Application

AC-DC Power Supplies: Ideal for use in AC-DC power supplies requiring power factor correction.
Power Quality Improvement: Used to enhance power quality and efficiency in electrical systems.
Industrial Applications: Suitable for industrial power supply applications with varying loads.

Where to Use

The UCC28019AD is suitable for applications that require power factor correction and high efficiency in AC-DC power conversion. It is commonly used in industrial power supplies and systems aiming to improve power quality and comply with power regulations.

How to Use

Integrate the UCC28019AD into your AC-DC power supply circuit by connecting the VDD and RTN pins to the power supply voltage and ground respectively. Configure the VSENSE, VCOMP, IAC, and COMP pins as per the application requirements for accurate power factor correction. Refer to the datasheet for detailed usage instructions.

Application Circuit

The application circuit diagram for the UCC28019AD illustrates how to integrate the PFC controller into an AC-DC power supply system. It shows the connections for voltage sense, current sense, compensation, and synchronization inputs, ensuring optimal power factor correction.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

UCC28019A: A similar PFC controller with comparable features from Texas Instruments.
IR1150: An alternative PFC controller offering similar functionality from Infineon Technologies.

Complementary

The UCC28019AD can be complemented by the UCC28950, which provides additional features for improved power factor correction and efficiency. Ensure compatibility and alignment of specifications when selecting complementary components for your power supply design.

Frequently Asked Questions

Q: Does the UCC28019AD support active power factor correction?

A: Yes, the UCC28019AD supports active power factor correction, enabling high power factor operation in AC-DC power supplies.

Q: What is the typical efficiency of the UCC28019AD?

A: The UCC28019AD offers high efficiency in power factor correction applications. Actual efficiency may vary based on operating conditions and system design.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Topology	Boost	Control mode	CCM
Switching frequency (max) (kHz)	65	UVLO thresholds on/off (V)	10.5/9.5
Vin (max) (V)	21	Features	< 150 W applications, > 750 W applications, Average current mode, Brown Out, Continuous Control Mode, Enable, Overvoltage protection
Rating	Catalog	Operating temperature range (°C)	-40 to 125
Duty cycle (max) (%)	99.3

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification UCC28019AD PDF Download

FAQs

What is UCC28019AD?

The UCC28019AD is a versatile, high-performance, active power factor correction (PFC) controller designed by Texas Instruments. It is widely used in power supply applications to improve power factor, reduce harmonic distortion, and enable compliance with stringent power regulations.

How Does UCC28019AD Work?

The UCC28019AD operates by controlling the input current to follow the input voltage, thus achieving near unity power factor. It uses a boost converter configuration and employs advanced control algorithms to regulate the input current and achieve high efficiency power factor correction.

How Many Pins does UCC28019AD have and What are the Functions of the Pinout Configuration?

The UCC28019AD is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VDD: Power supply pin.
VREF: Reference voltage output pin.
FB: Feedback input pin.
COMP: Error amplifier output pin.
CS: Current sense input pin.
RT/CLK: Timing resistor/clock input pin.
SET: Soft-start and fault timer pin.
IDRV: Gate driver output pin.
DR, DCM/CCM, PFC: Operating mode and power factor correction pins.

What are the Pros and Cons of UCC28019AD?

Pros:

High Performance: Provides efficient and accurate active power factor correction.
Wide Application: Suitable for a wide range of power supply designs and input voltages.
Excellent Regulation: Offers precise control of power factor and input current, leading to improved system performance.
Integrated Functions: Includes various protection features and operating modes for enhanced reliability and flexibility.

Cons:

Complexity: Requires careful design and layout considerations for optimal performance.
External Components: May necessitate additional external components for specific applications and system requirements.

Are There Any Equivalents/Alternatives to UCC28019AD for Recommendation?

The UCC28019ADR from Texas Instruments is a similar PFC controller with minor variations in specifications and features.
Alternatives to the UCC28019AD include the NCP1654 from ON Semiconductor and the IR1150 from Infineon Technologies.