The NCP1219AD100R2G is an Integrated Circuit (IC) component designed for use in power supply applications. It belongs to the NCP1219 series of devices manufactured by ON Semiconductor. This IC provides various features that make it suitable for offline flyback converters and can operate in either continuous or discontinuous mode. Let's take a closer look at its key features and functionality.
The NCP1219AD100R2G is a highly integrated solution that helps to simplify the design of power supplies. It offers several built-in protections, making it reliable and safeguarded against abnormal operating conditions. One of its noteworthy features is the incorporation of numerous control functions within a single package, reducing the need for external components and optimizing space utilization.
This IC supports a wide range of input voltages, making it ideal for universal input power supplies. Its operating frequency is fixed at a constant 100 kHz, enabling high efficiency with smaller external components. Moreover, the NCP1219AD100R2G employs a low-power startup circuit that ensures minimal power consumption during the device's start-up phase.
To enhance the protection and safety of the overall power supply system, the NCP1219AD100R2G includes various built-in protections. It offers cycle-by-cycle current limiting, which prevents excessive current flow and avoids damage to the device and other connected components. Overvoltage protection is also implemented to protect against voltage spikes and transients
