EA4060ASH

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The EA4060ASH is a low-cost AC-DC evaluation board suitable for applications such as battery charger or other offline flyback converters. This evaluation board supports up to 20W output and can be operated either in continuous or in discontinuous conduction mode.The main features of the evaluation board are the presence of an AKM AK4182-B AC-DC controller with a current-mode control and a power Factor corrected PFC of up to 0.99. Its low-cost cover multiple output voltage applications.

Application Fields

The EA4060ASH is suitable for a wide variety of AC-DC applications, such as chargers for batteries, power adapters, motor drives and any kind of isolated flyback converter. Its main feature is its capability to support up to 20W output – enabling the design of cost-effective and efficient applications with minimal external components. It does so by its presence of an adjustable frequency, protected output switch, and an automatic and manual current limit.

Working Principle of EA4060ASH

The EA4060ASH evaluation board works on a single-stage power supply principle. It uses a bottom-side switched flyback topology with an additional PFC controller.At the input side, it has an AC-DC control that uses a current-mode control, and a power factor correction (PFC) up to 0.99 for improved efficiency. The current-mode control is based on the peak current limit technique, which avoids the use of a current sense resistor and simplifies the design. On the output side, there is an adjustable frequency, protected output switch, and an opposed automatic and manual current limit.The board itself has a power output rated at 20 W, with an adjustable output voltage between 1.5 – 5.25 V. It supports both continuous and discontinuous conduction mode, and can operate at frequencies up to 100 kHz.

Conclusion

The EA4060ASH evaluation board is suitable for applications such as battery charger or other offline flyback converters. It offers high efficiency with its power factor correction (PFC) up to 0.99 and current-mode control. It has a power output rated at 20 W, with an adjustable output voltage between 1.5 – 5.25 V and supports both continuous and discontinuous conduction mode. With its simple design, the EA4060ASH evaluation board is an ideal choice for designing cost-effective and efficient AC-DC applications.

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