LM2623EV/NOPB

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LM2623EV/NOPB belongs to Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS. This evaluation board includes the LM2623EV High-Voltage Fixed Frequency Pulse Width Modulation (PWM) Controller, and it is designed to facilitate evaluation of the LM2623EV in an off-line, high-voltage, isolated, ac/dc switch-mode power supply (SMPS) application. By using this evaluation board, it makes it easier for customers to evaluate the LM2623EV and develop their own customized solution. The LM2623EV will provide precise regulation or power factor correction (PFC) with a high performance, integrated PFC stage in a single-ended primary-inductor (SEPIC) or buck topology.

The LM2623EV works through its PWM control, which works by using a series of pulses that are able to control the voltage. The way the LM2623EV does this is by controlling the frequency of the pulses, and it does so by using a variety of voltage and current feedback loops to constantly monitor voltage and current levels within the system, and then adjusting the frequency accordingly. The LM2623EV does this by using Signals from remote programming pins to adjust the frequency and duty cycle of the pulses. The LM2623EV also features current limit, over voltage, and error amplifier protection, which all work together to maintain high efficiency over the entire range of switching conditions.

The LM2623EV evaluation board is able to provide maximum output power up to 50W and comes with an optimized EMI filter, optically coupled feedback circuit, low-cost SR shunt, and a Flyback transformer. This evaluation board also provides terminal headers for connecting the necessary external components such as rectifiers, inductors, and output capacitors. The operating temperature range of the LM2623EV is from -20°C to +85°C, which allows it to be used in a wide variety of applications.

In summary, the LM2623EV is an ideal solution for off-line ac/dc applications needing PWM control and highly efficient operation. This evaluation board provides a great platform for customers to evaluate the LM2623EV and customize it to fit their specific requirements.

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