LNK362PN

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The LNK362PN is a Power Management IC (PMIC) specifically designed for dual current-mode buck regulated offline switchers (ROS). It offers an extremely efficient design, providing an improved system power rating while reducing the complexity and cost of the application. The integrated protection and monitoring functions enhance system reliability. In addition, it provides a solution for buck applications based on the concept of a voltage-mode or current-mode controller.

The LNK362PN is a current-mode controller specifically designed for dual current-mode buck ROS applications. It integrates numerous circuit protection and monitoring functions such as Input Under Voltage Lock Out (UVLO), output overcurrent protection (OCP) and output short-circuit protection (SCP). To further enhance system reliability, the LNK362PN includes an internal ‘FAULT’ pin that warns the system manager when an abnormal event occurs. The LNK362PN provides a solution for periodic drain voltage adjustment that enables improved system power rating.

The LNK362PN is designed to drive resistive or inductive loads. To find the best solution for the application, the LNK362PN provides a wide range of switch current ratios, enabling the designer to choose the power dissipation, power efficiency, and power rating that best meet the application’s needs. Furthermore, the LNK362PN can switch at up to 800 kHz, reducing electromagnetic interference (EMI) and enabling the use of external components with smaller size.

LNK362PN includes a range of amplifier and synchronization options to meet the specific needs of the application. It includes a Cross-Conduction Prevention mechanism which ensures that the output MOSFETs are never both active at the same time, preventing unexpected output voltage spikes. Furthermore, the adjustable switching frequency and deadtime allows the designer to fine-tune the performance of the system.

The LNK362PN is a highly integrated PMIC designed for dual current-mode buck ROS. It features numerous integrated protection and monitoring functions, such as UVLO, OCP, and SCP, that protect the application and improve system reliability. The wide range of switch current ratios, combined with an adjustable switching frequency and deadtime, allows the designer to fine-tune the performance of the system. The LNK362PN can switch up to 800 kHz, reducing the size of external components and the amount of EMI generated. Additionally, it provides a solution for periodic drain voltage adjustment that enables improved system power rating.

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