NCP1612BDR2G Integrated Circuits (ICs)

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Power Factor Correction (PFC) power solutions optimize the power factor of regulated power supplies. In particular, the NCP1612BDR2G, a PFC power solution from ON Semiconductor, provides a highly efficient power factor correction circuit with integral monolithic buck controller, current sense amplifier, and low-side power MOSFET. With the complete solution, designers can build the optimal power factor corrector for AC/DC adapter applications more easily and quickly.

The NCP1612BDR2G is an integrated, high-efficiency and cost-effective solution that can be used to reduce power system losses by managing the relationship between voltage and current in AC/DC applications like adapters, chargers, and other power supplies. Furthermore, it provides a wide input range, guarantee minimum input line current, and maximum power output. By improving power input, this boost regulator keeps the stable voltages in AC/DC systems. For instance, it improves the power input of a device with a 230V AC input to supply 12V at the output.

The NCP1612BDR2G integrates a buck converter along with a current-sense gain amplifier, a PFC pre-regulator controller, and an open collector output with a low-side power MOSFET. The internal converter can operate with frequencies up to 500kHz and ANCC output for feedback. A high current-mode converter using an average current electromagnetic coil eliminates the need for several external components. Additionally, the device features an accurate ANCC voltage limit and current limit for the protection of the power system.

The NCP1612BDR2G integrates a current-mode PFC controller that provides constant current operation with an accurate minimum wattage limit. This allows designers to adjust the power supply size while maintaining the same power delivery characteristics. Furthermore, the minimum wattage limit provides tighter control of the conversion efficiency. The device also provides a skip-mode feature that can reduce no-load power consumption. Additionally, peak current mode control helps reduce switching energy losses in the power converter.

The NCP1612BDR2G offers several safety features including over-voltage protection, over-temperature protection, under-voltage lockout, overload protection, and short-circuit protection. It also includes an efficient soft-start and a disable pin for suspend mode. On Semiconductor has built a wide variety of application boards and documentation that allows designers to evaluate the NCP1612BDR2G quickly and easily.

The NCP1612BDR2G provides a cost-effective and simple solution for power factor correction applications. It features high performance, ease of integration, and a wide operating range. It also provides designers with a robust protection system for the power supply, ensuring reliable operations and maximum power output. Thus, it is ideal for use in a variety of applications, including AC/DC power adapters, chargers, and other power supplies.

In conclusion, the NCP1612BDR2G is an efficient and cost-effective integrated solution for Power Factor Correction (PFC) applications. It provides a high-efficiency buck converter with a minimum wattage limit, as well as a wide operating range and robust protection system. Additionally, it includes a skip-mode feature to reduce no-load power consumption, and a peak current mode control that can help reduce switching energy losses in the power converter. All these features make the NCP1612BDR2G the ideal solution for AC/DC adapter applications and other power supplies.

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