LNK563DG

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• PMIC - AC DC Converters, Offline Switchers
  

  The LNK563DG is a powerful, reliable and efficient AC/DC converter and offline switcher, widely used in many industries. It is a type of power management integrated circuit (PMIC), designed to convert AC power to DC power. The LNK563DG provides an easy to use, single stage, CCM power factor corrector (PFC) solution with excellent transient response and EMI performance.

  The working principle of the LNK563DG can be divided into two parts. The first part is the PFC, or power factor correction, which is a process of converting the AC power into DC power, while regulating and curbing the current and voltage waveforms of the AC power line. The PWM (pulse width modulation) then regulates the output voltage by varying the line voltage into a regulated DC voltage. The second part is the offline switcher, responsible for providing a constant output voltage from a fluctuating line voltage.

  The LNK563DG can be applied to many fields including telecommunications, computing and industrial automation systems, power supplies for instruments and small appliances. It is also used in battery chargers and large UPS systems. With its high efficiency, small size and low cost, the LNK563DG is widely accepted in different applications.

  The features of the LNK563DG include a low start-up current; high power factor and efficiency; low input and output ripple; fixed-frequency current mode switching; short-circuit protection; over-voltage protection; output trim and a standby function. The IC has high reliability through its auto-restart function. It also can be used in harsh ambient conditions, with an operating temperature range of -40 to +85°C.

  In conclusion, the LNK563DG is an efficient, reliable and cost-effective solution for AC/DC conversion and offline switching applications. It combines the PFC, online switcher and a protection EMI filter, enabling the system to achieve high power factor and high efficiency while providing excellent line regulation and low EMI performance.

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