Exploring the L4984D Controller: Datasheet, Pinout

Hi, guys!Today let's Exploring the L4984D Controller: Datasheet, Pinout  and more details

 Current-mode PFC controller operating with line-modulated fixed-off-time control

Introduction:

In the world of power electronics, efficient power management is crucial for achieving optimal performance and minimizing energy waste. Power Factor Correction (PFC) plays a vital role in improving power quality and reducing harmonics in a wide range of applications. The L4984D is a highly versatile Power Factor Correction (PFC) controller that provides an effective and efficient solution for achieving high power factor and low total harmonic distortion.

Overview of the L4984D:

The L4984D is a Power Factor Correction (PFC) controller chip developed by STMicroelectronics, a leading semiconductor manufacturer. This device offers a comprehensive set of features and control mechanisms to enable designers to implement efficient PFC solutions in a wide range of power applications.

L4984D Pinout

Key Features and Benefits:

High Power Factor and Low Harmonic Distortion: The L4984D is specifically designed to achieve high power factor correction and low total harmonic distortion (THD). By actively regulating the input current waveform, it improves the power factor and helps to comply with stringent power quality standards.

Wide Range of Input Voltage and Load Conditions: The controller supports a wide input voltage range, typically between 85VAC and 265VAC, making it suitable for various applications, including industrial, commercial, and consumer electronics. It also provides robust performance across a wide range of load conditions.

Continuous Conduction Mode (CCM) and Discontinuous Conduction Mode (DCM): The L4984D supports both Continuous Conduction Mode (CCM) and Discontinuous Conduction Mode (DCM) operation, allowing designers to optimize the PFC performance based on specific application requirements. This flexibility enhances efficiency and ensures reliable operation under varying load conditions.

Adaptive Voltage Control: The controller integrates an adaptive voltage control loop that regulates the output voltage, compensating for fluctuations in the input voltage and load variations. This feature ensures stable and accurate output voltage regulation, even in the presence of disturbances.

Protection and Safety Features: The L4984D incorporates various protection mechanisms to safeguard the system and the controller itself. These include overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown, which ensure reliable and safe operation under fault conditions.

Easy Implementation and Design Flexibility: The L4984D comes in a compact and industry-standard SO-16 package, making it easy to integrate into existing designs. Moreover, it offers a high degree of design flexibility, allowing customization and optimization to meet specific application requirements.

Applications:

The L4984D finds applications in a wide range of power systems that require power factor correction and high energy efficiency. Some common applications include:

Power Supplies: The L4984D is widely used in switched-mode power supplies (SMPS) and AC-DC converters to improve power factor and ensure compliance with power quality standards.

LED Lighting: With the growing popularity of energy-efficient LED lighting, the L4984D plays a vital role in achieving high power factor correction and low THD in LED driver circuits.

Appliances and Industrial Equipment: The controller is employed in various appliances, such as air conditioners, refrigerators, and washing machines, where efficient power management and compliance with power quality regulations are essential.

Conclusion:

The L4984D Power Factor Correction (PFC) controller offers a comprehensive set of features and benefits, making it an attractive choice for designers seeking efficient power management solutions. With its ability to achieve high power factor correction, low harmonic distortion, and a wide input voltage range, the L4984D empowers designers to develop energy-efficient systems that comply with stringent power quality regulations. Its versatility and robust performance make it a compelling option for a wide range of power applications, from consumer electronics to industrial equipment.

Related Articles

How Does Diode 1N4148 Work: Datasheet, Circuit

Release time:2023-09-19       Page View：831

Standard Diode Rectifier Small Signal =< 200mA (Io), Any Speed 1V @ 10mA -65°C~175°C 5μA @ 75V Cut Tape (CT) DO-204AH, DO-35, Axial Through Hole

L293D & L293DD: Comparison, Datasheet

Release time:2023-09-19       Page View：622

1.2A mA 2mA mA 5.1mm mm 7.1mm mm Motor Drivers 16 5V V 4 20mm mm Hello, my dear friends, the topic of the blogs will be concerning L293D & L293DD, now let’s go thought these micro-controller!

How Motor Driver L298N Works: Datasheet, Circuit

Release time:2023-09-18       Page View：906

Dimensions： 43 x 43 x 26mm, Weight： 26g, Max Power： 25W Today we're bringing you the datasheet pinout, features, datasheet, and application and more detailed information.The L298NN features low saturation voltage and overtemperature protection.

Transceiver NRF52840-DK: Equivalent

Release time:2023-09-16       Page View：926

Transceiver; 802.15.4 (Thread), ANT, Bluetooth® 5 Type.The nRF52840 DK (Development Kit) includes hardware, firmware source code, documentation, hardware schematics, and layout files. The nRF52840 DK is a hardware development platform used to design and develop application firmware on the nRF52840 System on Chip (SoC).

DS18B20+ Digital Thermometer: Unique 1-Wire Interface

Release time:2023-09-15       Page View：391

(Bulk Digital, Local 3V~5.5V Through Hole -55°C~125°C 1-Wire® ±0.5°C (±2°C) 12 b 1 (Unlimited)) Hi,guys. A brief intoduction to DS18B20+ Digital Thermometer: Unique 1-Wire Interface, which can be applied in many areas like thermostatic controls and industrial systems.

MAX7219CWG Display Driver Ultimate Guide: Datasheet Released

Release time:2023-09-15       Page View：727

Hello everyone, this article will take the mystery out of MAX7219CWG! A display driver known as the MAX7219CWG is frequently utilized in IndustrialControllers, LED Matrix Displays and so on. The MAX7219 is a constant current LED display driver IC that can power 7-segment LED displays, 64x64 LEDmatrices, or single LEDs. ...

Unleash Potential of PIC16F877A-I/P: Ultimate Embedded Solution

Release time:2023-09-15       Page View：652

14KB 8K x 14 FLASH PIC 8-Bit Microcontroller PIC® 16F Series PIC16F877A 40 Pin 20MHz 5V 40-DIP (0.600, 15.24mm)

TOP245YN AC-DC Power Converter: Circuit Diagram

Release time:2023-09-15       Page View：627

Today we're bringing you the datasheet pinout, features, datasheet, and more detailed information. The TOP245YN features Design Flexible, EcoSmart, and Integrated Of-line Switcher.

FT234XD-R Interface Bridge: Footprint, Datasheet, Alternatives

Release time:2023-09-15       Page View：675

FT234XD-R, a USB to serial UART interface with optimized packaging for smaller PCB designs (3mm x 3mm 12 pins DFN)! We wiil give you a brif introduction of its Footprint, Datasheet, Alternatives.

AD210AN Isolation Amplifier: Pinout, Applications, Datasheet

Release time:2023-09-13       Page View：608

The AD210AN is a Precision, Wide Bandwidth 3-Port Isolation Amplifier. This article will unlock its pinout, datasheet, parts comparison and more details about AD210AN.

LD1117S33TR Voltage regulator: PDF, Pinout, Alternatives

Release time:2023-09-13       Page View：1019

Fixed Tin LD1117 PMIC 4 TO-261-4, TO-261AA LD1117S33TR--An adjustable and fixed low-drop positive voltage regulator! This article will reveal LD1117S33TR's pinout, datasheet, alternative and other information.

IRFZ44NL Transistors: Datasheet, Replacement

Release time:2023-09-13       Page View：685

Here are the following introduction to the advantages of IRFZ44NL: Advanced processing techniques to achieve,extremely low on-resistance per silicon area. This benefit,combined with the fast switching speed and ruggedized Device design,provides the designer with an extremely efficient and reliable device for use in a wide variety of applications.