UCC3889EVM

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UCC3889EVM is one of the Texas Instruments’ (TI) family of evaluation boards, which is designed to support TI’s UCC3889 offline SMPS controller IC. Designed as a self-contained, evaluation platform for TX\'s Simple Switcher offline components, the UCC3889EVM board is the ideal test platform for customers requiring an evaluation board to test the real-world performance of their SMPS designs.

The UCC3889EVM generally works as a self-contained platform to evaluate the performance of the Simple Switcher™ Offline SMPS components. This evaluation board provides an excellent source of DC power for both AC/DC and DC/DC power supplies. The board offers four separate outputs which support a variety of input and output voltages. Each output is adjustable, which allows the user to test the efficacy of the offline converter over a range of and frequencies and power levels. The board also features input, output, and enable lines for each power output.

The UCC3889EVM board works in a regulated flyback topology in the AC/DC configuration. The board is designed to operate from universal input voltage (85-265V AC or 90-265V AC, depending on boards model) and is supplied with multiple output voltages. An onboard jumper lets users select between the two AC inputs of either 90- to 265V AC or 85- to 265V AC. The UCC3889EVM board provides four separate DC outputs at 5V, 8V, 12V and 15V with adjustable current limit settings.

The UCC3889, a member of the Simple Switcher family, integrates offers outstanding features to meet all of the requirements of power supply designers . With an adjustable frequency of up to 100 kHz, this IC allows the user to optimize their SMPS design in terms of power efficiency, size and component count. The UCC3889 can be used in any application, such as server power supplies, AC-DC adapters and ATX power supplies.

The UCC3889EVM board features an on-board DC/DC controller. This is different from the UCC3889 IC, which is a simple isolated flyback controller with high-frequency pulse-width modulation (PWM) and burst-mode operation. The DC/DC controller on the UCC3889EVM allows the user to quickly evaluate the offline Simple Switcher components in various DC/DC configurations.

The UCC3889EVM is ideal for customers who are looking to quickly and accurately test their offline SMPS designs. This board allows for a fast evaluation of the performance and compatibility of various components in the offline SMPS, as well as monitor the operation of the design in real-time. The on-board DC/DC controller eliminates the need for external circuitry, saving time and money. This is an ideal evaluation board for those looking to quickly assess their SMPS designs and get to market fast.

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