LNK6408K

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The LNK6408K is a highly efficient, low-cost, Green Mode AC/DC offline switcher that offers exceptional performance in compact package sizes. It combines a power factor correction (PFC) pre-regulator and a synchronous rectified dc/dc converter with secondary side control into a single chip solution. The device supports output powers up to 25 W, allowing it to be used in a wide variety of applications, including industrial and home applications. This device is ideal for applications that require cost effective, high efficiency solutions.

The LNK6408K can be configured to work as a fixed frequency online or offline AC/DC converters. It offers various protection features, including short circuit protection, over-temperature protection, over-current protection and under-voltage protection. In addition, it offers various modes of operation, including phase shift mode and valley-fill mode. All of these features make it suitable for designs that require reliable operation in a wide range of operating environments.

The LNK6408K is designed with a current-mode PFC pre-regulator followed by a synchronous rectified dc/dc converter. The PFC pre-regulator uses a peak current-mode feedback loop and an improved sense resistor current sensing topology to achieve a high power factor and good line regulation. The synchronous rectified dc/dc converter employs a fixed frequency control circuit and a high performance MOSFET with minimum on-resistance.

The LNK6408K can be configured for a wide range of input and output conditions. Its operating input voltage ranges from 90 VAC to 264 VAC, allowing it to be used with a variety of line voltage applications. It can output voltages up to 37 VDC and currents up to 0.7 A. The device can be configured to have a switching frequency of 50 Khz to 300 Khz, and to have an output voltage ripple less than 1%. In addition, it has a standby power consumption of less than 0.5 W.

The LNK6408K is an excellent choice for applications that require high performance levels at a low cost. It offers both a high power factor and conversion efficiency. It is also designed to dissipate minimal energy when operating in stand-by mode. The device’s excellent protection features and versatile operating modes make it a suitable choice for power supply designs that need to meet demanding performance and protection requirements. Thanks to its compact package size, the device is well suited for space-constrained designs.

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