NCP1399AMDR2G

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The NCP1399AMDR2G is part of On Semiconductor\'s range of off-line switchers, designed to work with AC-DC (alternating current and direct current) converters. The device is designed to offer maximum performance, low power consumption, and excellent system reliability.

The integrated off-line switcher, housed in a 16 pin SOIC package, enables the cost-effective design of AC-DC converters. The two-channel design allows the system to respond to a wide range of input voltage from 6 V to 20 V, providing exceptional efficiency and ease of operation. The highly efficient NCP1399AMDR2G is capable of delivering up to 75 mA of continuous current and up to 100 mA of peak current in each channel.

The device has a wide range of safety features including integrated fault diagnosis and protection, making it ideal for use in a range of applications. These include telecom equipment, computers, set-top boxes, and other non-isolated applications. Additionally, the device features a switching transition frequency of up to 1 MHz, making it suitable for a variety of high-speed industrial, medical and consumer equipment.

The NCP1399AMDR2G also features a programmable startup period and soft-start, allowing controlled power up and optimal inrush current suppression. Further, the device offers a broad input voltage range, making it suitable for worldwide operation. It is also capable of supporting a wide range of drive voltages, ensuring high efficiency over an extended temperature range.

In terms of its working principle, the device senses the incoming AC power, rectifies it, and then stores the rectified power in an internal storage capacitor. This creates a DC voltage, which is further regulated and converted to a regulated DC voltage. The device then operates as a switch, switching on and off the connection between the input and output at a frequency corresponding to the required output voltage and power.

When the output is greater than the input, the device switches on and provides power to the output. When the output is less than the input, the device switches off and stores the energy from the input in the internal storage capacitor. The device is then able to use this energy to power the output, as and when required.

Overall, the NCP1399AMDR2G is an ideal solution for off-line applications such as telecom equipment, computers, set-top boxes, and other non-isolated applications. Its high degree of efficiency makes it an ideal choice for applications requiring low power consumption and excellent system reliability.

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