NCP1250ASN65T1G

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NCP1250 is a 1A, 650mA Simple Switcher power management integrated circuit (PMIC) that is designed to provide very low cost, low noise, and higher performance power solutions. It can support universal AC input and high current load with high efficiency. With the features of low standby power, wide input voltage range, low-cost design, and high frequency operation, this device is ideal for many applications.

The NCP1250ASN65T1G is an Active Clamp synchronous rectifier (ACR) offline switcher. It offers unique converter designs that use the active clamp synchronous rectifier technology to achieve very low standby power and a high-efficiency power conversion process. This device also has a unique high-power density that allows for an extremely compact design.

The NCP1250ASN65T1G is suitable for a variety of applications, such as desktop PCs, laptops, tablet PCs, panel computers, industrial controllers, and more. It can also be used in home appliances and other consumer products. In addition, it is well suited for use in automotive applications and power supplies.

The working principle of the NCP1250ASN65T1G is based on active clamp control with synchronous rectification. In ACR, the circuit architecture consists of two stages that are connected in series. The first stage is an active clamp switch, which is activated during the active period. The active clamp switch controls the current flow by connecting a specially designed clamp switch between the input and output of the ACR. The clamp switch allows for proper control of the current as it limits the current and also controls the peak input voltage.

The second stage is a synchronous rectifier, which is a voltage-controlled switch. The rectifier operates by allowing or blocking the current flow. The synchronous rectifier is activated during the rectifier period and regulates the current flow. This is done by connecting the secondary or load side of the rectifier to the input voltage.

The main features of the NCP1250ASN65T1G include a wide input range (85 to 265 VAC), low standby power (less than 10 mW), high efficiency (up to 90%), and over-voltage protection. In addition, it also offers active rectification for low-input voltage applications, built-in soft-start, and a package that is optimized for high efficiency. The NCP1250ASN65T1G provides low cost, high efficiency, and high power density in a very small package.

In conclusion, the NCP1250ASN65T1G is a powerful and efficient AC/DC offline switcher that is suitable for a wide range of applications. With its unique features and advantages, the NCP1250ASN65T1G can offer excellent performance and reliability in systems that require high efficiency and low standby power consumption.

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