LNK3206D-TL

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The LNK3206D-TL is an all-in-one AC/DC converter which integrates an offline switcher, power switch, rectifier, an EMI filter and peripheral components into a compact 3W, single-stage solution. The solution is designed to meet all the requirements for most low noise, low power applications and is an ideal choice for external and internal power solutions such as SLEDS, coolers and industrial or medical applications.

The LNK3206D-TL is a bridgeless totem-pole PFC converter that provides up to 93.5% power factor correction, which significantly reduces harmonic distortion and allows the power supply to operate more efficiently. It integrates a high-efficiency, autonomous-start power switch, which enables precise control and management of the applied power. The solution is available with different package options, allowing customers to choose the size and weight that best fits their design.

The LNK3206D-TL offline switcher also incorporates advanced protection features that protect the system from damaging effects caused by ambient temperature, open load, and over load conditions. It also features Shutdown, Enable and soft-start functions, as well as accurate current monitoring.

The LNK3206D-TL working principle is based on the primary-side regulation (PSR) architecture, which ensures reliable and steady output power for different loads conditions. The basic topology consists of an input rectifier followed by a totem-pole PFC stage, a bridge rectifier, a power switch and an output synchronization block. The power switch is a single-channel IC and it incorporates a current sense circuit that constantly monitors the amount of power applied to the output. If the power enters an incorrect range, the system will automatically shut down and restart after a predetermined amount of time.

In summary, the LNK3206D-TL is a small, efficient and cost-effective AC/DC converter designed for low noise and low power applications. It integrates a complete set of features and protection mechanisms to ensure reliable operation, and with its multiple package options, the LNK3206D-TL is an ideal solution for a wide range of applications.

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