NCP1239AD100R2G

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PMIC–AC/DC converters, offline switchers, and the NCP1239AD100R2G are an important part of power management systems. The NCP1239AD100R2G can provide up to 100A of output current and is designed to regulate the power of an AC/DC system. It is a single-chip switching power solution that can be used in applications such as off-board AC-DC power supplies, lighting fixtures, LED systems, and solar power converters. This article will discuss the application field and working principle of the NCP1239AD100R2G.

The NCP1239AD100R2G is a monolithic integrated circuit with a high efficiency, low cost, and wide frequency range. It is an efficient offline switch with integrated feedback loop. It is capable of achieving a PFCEfficiency greater than 90%, with a low standby current and wide input voltage range. It also supports a wide variety of application fields, including automotive, consumer electronics, and industrial. The NCP1239AD100R2G is a highly reliable and flexible solution for powering equipment in harsh environments.

The NCP1239AD100R2G incorporates an integrated bridge rectifier and AC-DC power factor correction (PFC). The rectifier consists of four power MOSFETs, which are connected to the AC input, and allows the input current to be divided into DC output. The PFC circuit is included to ensure that the input current is sinusoidal and is regulated to within a specified range. The NCP1239AD100R2G also includes a feedback loop, which is used to regulate the output voltage to a setpoint, and to protect the load from over-current or over-voltage conditions. It also includes undervoltage, overcurrent protection, and an integrated line voltage compensation circuit.

The application field of the NCP1239AD100R2G is quite vast. It can be used in a variety of applications, such as high-density industrial power supplies, LED lighting systems, solar power converters, and air conditioning systems. It can also be used in applications that require wide frequency range and high efficiency, such as automotive, consumer electronics, and medical applications. The product is also suitable for a variety of switching power supplies, including offline, AC-DC, and battery power supplies.

The working principle of the NCP1239AD100R2G is based on an integrated power conversion approach. It is a single-chip solution that contains rectification, power factor correction, and control circuitry. The integrated bridge rectifier is used to convert an AC input into a DC output. The PFC circuit is used to regulate the input current to within a specified range and keep it sinusoidal. The feedback loop is used to regulate the output voltage to the the setpoint, and to protect from over-voltage and over-current conditions, automatically shutting off the power in the event of a fault. The integrated circuit also has built-in overvoltage and undervoltage protection, and an adjustable line voltage compensation.

The NCP1239AD100R2G is a highly efficient and cost-effective solution for power management systems. It is suitable for a variety of applications and can provide up to 100A of output current. The integrated solution is designed to regulate the power in an AC/DC system and the integrated bridge rectifier and PFC circuit ensures a high-efficiency power conversion. The feedback loop ensures that the output voltage is regulated to the setpoint and protects the load from over-voltage or over-current conditions.

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