L4984DTR Integrated Circuits (ICs)

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Power factor correction is the process of improving the power factor of a system by changing the characteristics of the load or the power controlling device. L4984DTR is a highly integrated power factor correction integrated circuit (IC) which targets high power AC-DC applications. It includes high-voltage 650V MOSFET, a complete family of PFC algorithms, over current protection features and a variety of built-in safeguards.

L4984DTR is designed to meet IEEE requirements, the company emphasizes that their device is ideal for high power applications such as AC/DC power supplies, and boost converters. The device is also suitable for applications such as solar inverters, motor drive applications and UPS systems.

The device is capable of providing high power factor, low total harmonic distortion (THD) power with less than 1% input current ripple.

L4984DTR is designed with a number of features that make it suitable for high power AC-DC applications. It is designed with an integrated 650V MOSFET, which is is suitable for input voltage ranges of up to 690V at 50Hz or 60Hz. It also features low quiescent current and high start up threshold current, which ensures efficient operation and high efficiency.

The device includes a complete family of PFC algorithms that makes it suitable for a wide variety of power factor correction applications. The algorithms include continuous conduction mode (CCM), discontinuous conduction mode (DCM), valley fill mode (VF-mode), peak current mode (PCM), skip cycle mode, and mixed mode (MM). All these algorithms are designed to reduce input current ripple as well as total harmonic distortion (THD) and improve the power factor while reducing the standby power consumed by the system.

In addition to the variety of PFC algorithms, the L4984DTR includes other features that make it suitable for high power AC-DC applications. It includes built-in frequency response compensation (FRC) to ensure the operation at the desired input voltage, frequency and current range. The device also features a family of over current protection (OCP) features that protect the device from over current conditions such as over voltage and over temperature.

The L4984DTR also include a variety of built-in safeguards such as die temperature protection (DTP), an integrated electrostatic discharge (ESD) protection, over voltage protection (OVP) and overtemperature protection (OTP). These features ensure protection from corrosive and over temperature conditions, protecting the device from malfunctioning or damage.

Overall, the L4984DTR is a highly integrated power factor correction integrated circuit (IC) which is designed for high power AC-DC applications. It supports a wide range of PFC algorithms, and includes built-in safeguards which protect the device from damage or malfunctioning. The device is ideal for applications such as AC/DC power supplies, boost converters, solar inverters, motor drive applications and UPS systems.

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