UCC5640EVM

Series:	--
Part Status:	Obsolete
Type:	Interface
Function:	SCSI Bus Terminator
Embedded:	--
Utilized IC / Part:	UCC5640
Primary Attributes:	--
Supplied Contents:	Board(s)
Secondary Attributes:	--

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The UCC5640EVM is an Evaluation and Demonstration Boards and Kit from Texas Instruments. This product is ideal for applications that require high speed power factor correction and load transient response. The UCC5640EVM is a two-stage PFC and flyback converter that supports a broad range of applications from 40W to 1.1kW. It includes a brief function that enables invertermakers to optimize the performance of their system, reduce its footprint, and ameliorate peak switching losses. Additionally, there are sensing outputs for load estimation and monitoring, eliminating the need for additional circuitry.The device works on a two-stage topology that includes a current-mode boost PFC controller and Flyback. The UCC5640EVM can operate at up to 100kHz and 85V input voltage. The PFC portion works by using an inductor, two large-valued ceramic capacitors, and a diode in conjunction with a high-speed current sense amplifier that inputs the flowing current and outputs a voltage. This voltage is then used to control the Power MOSFET driver and the voltage on the capacitor. The Flyback DC-DC stage then converts the boosted intermediate output voltage into desired output. Feedback from the output voltage is back-fed to an internal open loop controller, which then takes in an internal reference voltage and modulates the power level to match the desired output.In conclusion, the UCC5640EVM Evaluation and Demonstration Boards and Kit from Texas Instruments offers an efficient and reliable solution incorporating the UCC5640 High Speed, Dual Mode, PFC & Flyback Controller. The product offers exceptional performance in applications requiring high speed power factor correction and load transient response. Additionally, lowering the power losses can help achieve high power densities, reduce cost, and increase total efficiency.

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