EVLCMB1-90WADP

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EVLCMB1-90WADP stands for Evaluation Boards for DC/DC and AC/DC (Off-Line) Switch Mode Power Supplies. It is a small form factor (solderable) Evaluation Board that is used for the evaluation of various switch mode power supplies.

DC/DC converters, ballasts, LED drivers, and similar applications require careful design of the power supply to meet the specific output, insulation and cost criteria. EVLCMB1-90WADP uses a variety of off-line (ac/dc) topologies, isolating or non-isolating, that can be used to evaluate the power electronics design for the application.

EVLCMB1-90WADP offers a power input range of from 90 W to 480 W.The analysis of the power supplies it allows is given for the input DC voltage, power output, switching frequency, switching current, and insulation. It can further assist a power electronics user in the exploration of problems related to the off-line implementation of switch mode power supplies (SMPS).

The typical working modes for EVLCMB1-90WADP include AC/DC buck, buck-boost, half-bridge, and flyback. The power supply architecture of EVLCMB1-90WADP incorporates various topologies, such as discontinuous conduction mode (DCM), active clamp, resonant mode, synchronous rectifier, etc. By using an EVLCMB1-90WADP Evaluation Board, designers can also evaluate various efficiency, switching losses, and thermal characteristics of a chosen topology or architecture.

A core part of the EVLCMB1-90WADP Evaluation Board is the EMC1601P high-frequency switching device, which offers high-efficiency, adjustable frequency, or pulse frequency modulation (PFM), current or voltage mode control, and fast transient response. The high frequency characteristics of the EMC1601P enable fast transient response, while the pulse-frequency modulation (PFM) mode maintains constant on-time at different operating frequencies, as well as allowing for an adjustable switching frequency.

The EVLCMB1-90WADP Evaluation Board uses a combination of a buck or buck-boost converter, followed by an external MOSFET power stage. The MOSFET power stage includes a fixed on-time, current-mode control, while the buck or buck-boost converter depend on either voltage or current regulation. This allows users to compare switching settings for different topologies and examine the performance in terms of energy efficiency or load response.

EVLCMB1-90WADP Evaluation Board has been optimized to allow testing of various topologies, integrating all the power components into a single board. It also provides complete isolation between the control section of the board and output section. The built-in secondary control ensures compatibility with high safety standards and as well as compliance with the IEC-60950-1 international standard. It also helps to simplify the development process of industrial grade off-line power supply solutions, providing users with more flexibility and options during their design process.

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