NCP1606ADR2G

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Power Factor Correction (PFC) is an important technology for today’s power management integrated circuits (PMICs). It helps reduce energy costs, improve power efficiency and optimize power grid performance. The NCP1606ADR2G is a PMIC specifically designed for use in a wide range of PFC applications.

At the heart of the NCP1606ADR2G is its high-efficiency, synchronous buck rectifier (SB-CCM) topology. The synchronous rectifier maintains current flow when the AC input voltage or the output load variation is high and thus helps achieve a high power factor of over 0.95. This SB-CCM rectifier is also a current-mode operating buck converter highly capable of delivering many times higher peak currents during transient load condition. Furthermore, the switch-on/switch-off of the synchronous rectifier output is based on monitor signals from the AC current sensor, enabling the recommended PFC design to operate in a discontinuous conduction mode (DCM) for a better prevention of over-shooting and undercompensating inefficiencies.

At the same time, the NCP1606ADR2G supports certain output voltage regulation for improved power quality as it can vary the output voltage as a function of the output current. This mechanism employs active feedback and a voltage loop control, allowing the NCP1606ADR2G to achieve various parameter-setting possibilities.

The NCP1606ADR2G is ideal for a range of applications such as industrial, consumer and telecom power supplies, auxiliary power supplies, server power supplies, and other low to high power systems. For example, it can be used to control the output voltage of switched-mode power supplies (SMPS) for telecom systems and for line-interactive type of power supplies in the industrial fields. Furthermore, the NCP1606ADR2G improves system efficiency, which helps reduce total cost of ownership (TCO).

In summary, the NCP1606ADR2G is a high-performance PFC PMIC. It utilizes a synchronous buck rectifier topology to maintain current flow when the AC input voltage or the output load changes, enabling it to maintain a high power factor while also supporting voltage regulation. This make it ideal for numerous applications such as industrial, consumer and telecom power supplies, server power supplies and other low to high power systems. In addition, the NCP1606ADR2G\'s high efficiency can help reduce system costs.

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