LNK6427K-TL

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The LNK6427K-TL is a Primary-Side Regulation (PSR) flyback switching current regulator designed for an isolated converter in a variety of offline applications. It is part of the family of AC/DC converters, offline switchers that comprise integrated circuits, drivers and controllers.

The LNK6427K-TL integrates a 700V power MOSFET, a synchronous rectifier, and the control circuitry needed for an AC/DC converter in an isolated applications. This device is also provided with a Power Shutdown Funktion (PSF) feature which switches off the power to the primary side during an over-current condition and resumes again once the over-current condition has been cleared. Together, the circuitry in the LNK6427K-TL and related components provide the control circuit needed for AC/DC conversion to soon and precisely control the output voltage and current.

The working principles of the LNK6427K-TL builds on a distinctive low voltage capability with a start-up boost voltage of 3V to 12V, and is also provided with over-voltage protection (OVP), as well as a safety shutter mechanism that significantly reduce the EMI filter components output. Other features of this device include, an adjustable soft-start, standby current and voltage regulation (Vrr), allowing for adjustable Hiccup time and maximum output power, as well as an Adaptive Dead Time control.

The LNK6427K-TL is suited to a variety of application, this primary-side regulator flyback switching current regulator is particularly best suited for Space-constrained applications, such as computing, medical, consumer appliances, digital cameras, and other isolated applications, due to its highly integrated features. Such features include its low startup voltage, over-protection, low standby consumption, EUP, and Adaptive Dead Time.

The LNK6427K-TL operates from a line voltage range of 85V to 260V, while offering a wide regulation range, as well as high efficiency. Moreover, it is also provided with over-temperature protection (OTP) and short circuit protection (SCP). These features give it an advantage over competing solutions, as it enables tighter voltage regulation, higher efficiency, higher power, and lower cost.

In summary, the LNK6427K-TL is a Primary-Side Regulation (PSR) flyback switching current regulator that is suited to power an application in a variety of offline applications. Once the power has been applied, it steps-up the incoming voltage, then regulates the current/voltage output according to the user\'s specifications given to the control circuit of the device. The device is provided with features such as a Power Shutdown Funktion (PSF), and a safety shutter mechanism, low startup voltage, over-protection, low standby consumption, an adjustable soft-start and standby current, voltage regulation (Vrr), adjustable Hiccup time, maximum output power, and an Adaptive Dead Time Control. Furthermore, the LNK6427K-TL offers a wide regulation range and high efficiency features, with the inclusion of over-temperature protection (OTP) and short circuit protection (SCP).

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