NCP1575DR2G

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NCP1575DR2G is one of the most popular converter products of ON Semiconductor. It is an integrated monolithic high-voltage buck dc/dc controller. It is designed to be used in offline high-frequency non-isolated buck topology power converters.

It has an adjustable output voltage range of 0.8V to 2.5V and a maximum input voltage of 100V. It supports a wide variety of operating frequencies, up to 600kHz, and can deliver up to 4.2A of output current. The NCP1575DR2G offers a wide range of protection features such as output short-circuit protection, overtemperature protection and undervoltage lockout protection.

The NCP1575DR2G is mainly used in desktop PC power supplies, laptops, HDDs and servers. It can also be used for LED applications such as LED general lighting, LED street lighting and LED billboards. In addition, it can be used in other applications such as automotive, industrial and telecom.

The working principle of the NCP1575DR2G is based on buck switching technology. It uses a power MOSFET switch to control the output voltage by adjusting the on-time of the switch with a Pulse Width Modulation (PWM) signal. The PWM signal is generated by a controller IC, which is the NCP1575DR2G. This IC allows the output voltage to be regulated by controlling the on-time of the power MOSFET switch.

The NCP1575DR2G has a wide range of features that make it suitable for many different applications. It has an enable/disable feature, diagnostic features, high-frequency operation and low shutdown current. These features allow it to be used in a variety of applications with minimal design changes.

The NCP1575DR2G is a versatile monolithic IC, with many advantages that make it suitable for applications such as PC power supplies, HDDs, servers, LED general lighting and more. Its wide range of features such as enable/disable and diagnostic functions, allow for easy integration into many different designs. Its PWM-controlled buck switch technology also makes it attractive for high-power applications that require tight control of output voltage and current.

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