LNK625DG

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The LNK625DG is an integrated high voltage offline switching regulator integrating a unique secondary side control technique with a wide range of applications. It provides tight regulation on both the primary and secondary side, allowing it to be used in a wide range of power applications. The device features a very low output voltage ripple, high efficiency, wide input voltage range and EMI reduction. In addition, it provides robust protection features, such as output current over temperature protection and over current protection.

The operating principle of the LNK625DG involves a primary voltage feedback circuit, wherein the primary voltage is used to control the output current via a current control circuit. In addition, the secondary side feedback is used to regulate the output voltage. The secondary side controller is enabled when the primary voltage is below a certain threshold and disabled when the primary voltage is above the threshold. The secondary side controller regulates the output voltage by adjusting the duty cycle of the synchronous rectifiers to maintain the desired output voltage.

The LNK625DG supports a wide input voltage range of 8.0V to 600V and a wide output voltage range of 0.6V to 400V. It also supports a high switching frequency range of 200kHz to 2MHz. The device offers peak current limits of 1-8A and load capability up to 300W. The device features programmable over temperature protection, over current protection and short circuit protection.

The LNK625DG provides high efficiency with up to 98.5% at nominal load. It also features fast transient response and very low output voltage ripple. In addition, it features programmable soft start, auto recovery and over voltage protection. The device also supports a pulse-by-pulse current limit with a wide adjust range from 0.1A to 8A.

The LNK625DG is an ideal solution for industrial applications such as lighting, audio, game consoles, vending machines etc. It is also suitable for computer power supplies, notebook, server, consumer electronics and automotive. This device is available in both TO-220 and DIP packages for easy implementation and layout.

The LNK625DG is an integrated high voltage offline switching regulator which provides tight regulation, high efficiency, and robust protection features. The device supports a wide input voltage range of 8.0V to 600V and a wide output voltage range of 0.6V to 400V. It also supports a high switching frequency range of 200kHz to 2MHz and a peak current limit of 1-8A. The LNK625DG is suitable for a wide range of applications in industrial and automotive applications.

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