U7Y0043 Power Supplies - External/Internal (Off-Board)

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The U7Y0043 is an AC/DC converter module used for power conversion from AC input to DC output. It is a 4-stage, non-isolated, synchronous buck, DC switching power supplymodule. The U7Y0043 is designed with advanced power conversion technologies that provide robust noise cancellation, high efficiency, fast transient response, and low ripple & noise. The U7Y0043 can be used in a wide range of applications such as home appliances, industrial equipment, automotive, instrumentation, and telecom equipment.

The U7Y0043 is a high-performance product with a wide input range of 85Vac to 265Vac and a wide output range of 4.5Vdc to 25.5Vdc. It is equipped with a high-efficiency synchronous rectifier and a high-current capacitor, which can withstand extremely high ESR (over 1OOhms). This allows the U7Y0043 to provide extremely high efficiency with up to 90% at 170W and low ripple & noise of 50mVpp at 130W. The U7Y0043 is also designed with flexible protections including over voltage protection (OVP), over current protection (OCP), and short circuit protection (SCP).

The working principle of the U7Y0043 AC/DC converter is based on the four-stage synchronous buck converter configuration. It is composed of two main components: an AC/DC power converter, and a DC/DC power converter. In the front-end AC/DC power converter, the AC input is rectified into a DC voltage and regulated by the primary side of the power transformer. The secondary side of the transformer serves to convert the high voltage from the primary side to the lower output voltage required for the DC/DC power converter. In the rear-end DC/DC power converter, the high voltage from the power transformer is rectified and buck-converted to the desired DC voltage. The secondary side of the power transformer is utilized to provide the feedback regulation for the output voltage.

The efficiency of the U7Y0043 AC/DC converter is significantly enhanced thanks to the use of advanced power conversion technologies, such as advanced switching devices and low resistance magnetics. By using an innovative circuit topology and optimized components, the U7Y0043 is able to achieve high efficiency of up to 90% at 170W, low input current surge and high power density. In addition, the wide input range and wide output range of the U7Y0043 allows for flexible application in various industrial and automotive applications.

To conclude, the U7Y0043 AC/DC converter is a reliable and high-performance product designed for various power conversion applications. It is equipped with advanced power conversion technologies that ensure high efficiency and low ripple & noise operation. The wide range of input and output voltages allow for flexible application in a wide range of applications such as home appliances, industrial equipment, automotive, instrumentation, and telecom equipment. With its robust protections and high power density, the U7Y0043 is an excellent choice for power conversion solutions.

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