UCD3138PFCEVM-026

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Evaluation and Demonstration Boards and Kits provide a low-cost and fast way for users to demonstrate the capabilities of a system without actually having to build them, as well as compare different solutions. The UCD3138PFCEVM-026 is one such board which provides a development platform and evaluation board for power factor correction applications. It is used to evaluate the performance of a power factor controller operating under closed-loop conditions using a single-phase voltage input.

The UCD3138PFCEVM-026 board enables users to quickly configure a power factor controller and validate performance for a variety of conditions. It is used to test the effectiveness of a switching power factor controller (SPFC) and perform system optimization of the power factor correction system. The evaluation board is based on the Simple Power Factor Correction (SPFC) approach, which relies on a simple closed loop controller, to continuously regulate the switch’s duty cycle and thus, maintain power factor. The controller is designed to operate over a wide input voltage range (Max. 380V) and in single-phase applications.

The UCD3138PFCEVM-026 board consists of several key components. These components include two high power MOSFETs, one dual N-channel driver IC (UCD3138), one phase-shifting capacitor, one RL combination, one RC combination and two auxiliary resistors. The MOSFETs convert AC power to DC power and direct it to the phase-shifting capacitor and RL combination. The UCD3138 is responsible for driving the MOSFETs, based on the input voltage. The phase-shifting capacitor and RL combination ensure that the current supplied to the load is in phase with its voltage. The RC combination reduces the power consumption of the system when the DC bus voltage is low.

The UCD3138PFCEVM-026 evaluation board facilitates quick evaluation and demonstration of various power factor correction applications. The UCD3138 IC enables users to select from three different operating modes including low power factor correction, critical conduction mode and fixed operating frequency. This allows the user to easily experiment with the inner workings of power factor correction systems and observe the effects. Additionally, the board also supports adjustable soft-start and built-in protection features such as over-voltage protection and over-current protection.

In conclusion, the UCD3138PFCEVM-026 evaluation board provides users a simple yet powerful platform for evaluating and demonstrating power factor correction solutions. It has an adjustable soft-start feature as well as several built-in protection features. The board utilizes the Simple Power Factor Correction approach and thus, makes it easy to configure and observe power factor correction systems in various different operating modes. This makes the UCD3138PFCEVM-026 an essential tool for evaluating and demonstrating power factor correction solutions.

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