LNK6773V

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PMIC (Power Management IC) are used to manage electronic components that relies on power. It converts the power from one form to another, so that the components being powered up can make use of the available power efficiently. The LNK6773V is an AC-DC converter-offline switcher from Power Integrations, which offers VCC power current to the device in order to keep it running with no disturbance.

The LNK6773V features an adjustable output voltage and provides an array of features that enable an energy-efficient system. With a wide input voltage range (90-265 VAC), the LNK6773V ensures the supply of regulated voltage even when the line voltage is out of range. It has a low standby power, thus allowing the system to be more energy efficient. The full bridge topology offers only two external components, which is less than any of the other comparable topologies.

The function of the LNK6773V is to convert the incoming AC voltage from the AC wall outlet to a DC output voltage. Due to its high precision and fast transient response, it is capable of controlling brightness and programmability of the LEDs, along with other voltage control applications. Plus, the operating temperature range is 0°C to 70°C, which ensures smooth PSM (Power Save Mode) operation.

The working principle of the LNK6773V is based upon its inherent circuitry architecture. It consists of a Half Bridge LLC Resonant Converter, an adjustable Voltage Regulator, an optimized PFC (Power Factor Correction) stage and a soft-start circuit. The Half Bridge LLC Resonant Converter reduces switching losses and thus increases efficiency. With the help of the adjustable voltage regulator, the output voltage can be adjusted according to the user’s requirement. The PFC stage helps to reduce the THD at the PFC output, thus improving the AC line current distortion. Finally, the soft-start circuit helps to reduce the inrush current at the start-up, thus extending the lifetime of the overall system.

Due to its unique features, the LNK6773V is widely used in applications that require high efficiency, low standby power and wide voltage range such as small consumer goods, set-top boxes and LED lights. Moreover, its high performance, low cost and reliability makes it an ideal solution for consumer applications.

In conclusion, the LNK6773V is an AC-DC converter from Power Integrations that offers high efficiency, low standby power and wide voltage range. With its adjustable output voltage, fast transient response and wide operating temperature range, it makes an excellent choice for consumer applications such as LED lights and set-top boxes.

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