E-L6565N

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PMIC - AC DC Converters, Offline Switchers

The E-L6565N is a power supply integrated circuit (IC) specially designed for offline switcher applications. It is capable of high efficiency operation from power factor correction (PFC) to the output voltage. With up to 95% efficiency, the E-L6565N guarantees that only the small amount of energy wasted due to harmonics, interference and thermal losses is consumed - leading to lower bills.

The E-L6565N combines a power factor correction (PFC) stage and a double-ended forward converter. The PFC is a single-phase boost converter, which forces the AC current waveform to be in phase with the input voltage. This improves the power factor, essentially increasing performance and significantly reducing the AC line harmonic distortion. The double-ended forward converter rectifies, stores and stabilizes the current to the output voltage through a synchronous rectification stage. The whole application is regulated by a peak current control modulator.

The E-L6565N enters a soft-start state, setting up a default peak current for the PFC boost converter. By regulating the input voltage and ensuring peak current remains constant, the PFC is able to achieve power correction efficiency in addition to providing a stable input current. Once the voltage is ramped up, the output voltage modulation stage is activated and the voltage output is regulated. This power supply application also offers protections against over-temperature and over-current as well as automatic restart/soft-start.

The E-L6565N is ideal for a variety of applications, including ITE (Information Technology Equipment), white goods, lighting, and even telecommunications. This integration is extremely cost-effective and helps simplify the bill-of-materials. With the E-L6565N, electronics designers can reduce design time and reduce the size of their design -all while meeting stringent efficiency levels.

In conclusion, the E-L6565N is a highly efficient, space-saving, cost-effective AC/DC power solution that is suitable for a variety of applications. Its advanced power factor correction (PFC) technology and integrated synchronous rectification stage ensures optimal energy savings and low-cost energy efficiency levels. The E-L6565N combines several complex steps and delivers outstanding performance in a single package – helping simplify design and improving system reliability.

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