LM53635MQEVM

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The LM53635MQEVM application field and working principle are a complex yet important part of the Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS area. The evaluation board is an indispensable tool for developing many types of power supply systems, from simple plug-in adapters to complex multi-channel systems. For this reason, understanding the components and principles which make up the LM53635MQEVM application field is key to making informed design decisions.

The LM53635MQEVM evaluation board is designed to evaluate and test the operation of TI’s LM53635QEVM adjustable frequency flyback converter in applications ranging from 2 W to 40 W. The board features a 4 W output power supply with a wide input voltage range from 3 V to 29 V, following an adjustable frequency flyback topology. It is driven by a LM53635QEVM controller IC, which is a monolithic high frequency dual output switch mode converter integrated circuit ideal for applications by power levels of 2 W to 40 W.

The LM53635QEVM provides complete control of both outputs including power saving mode with DCM (Discontinuous Conduction Mode), skip-cycle mode for external switching, low-power start, overvoltage protection (OVP), undervoltage protection (UVP), short circuit protection (SCP) and thermal overload protection (TOP). This versatility makes it suitable for a variety of applications like USB power supply, adapter, LED driver, video game console, battery charger, DC motor driver, medical systems, set-top box, etc.

The working principle of the LM53635QEVM utilizes the Pulse Width Modulation (PWM) mode for power conversion. The PWM is a technique used for controlling electricity and is characterized by a switched output signal with a duty cycle that varies from 0 to 100%. PWM has three states: high, low and no voltage, depending on the duty cycle. It is commonly used to vary the voltage, frequency, and current in power converters. The output voltage of the power supply is compared against a reference voltage in a feedback loop, and the difference between the reference and the output is used to adjust the duty cycle of the PWM signal, resulting in a higher or lower voltage output as needed.

The LM53635QEVM evaluation board provides flexible testing options. It can be operated with a single switch mode operation from an input voltage range of 3 V to 29 V. The PWM switch mode power supply can also be operated in skip-cycle, which enables the user to external switch the power pack to save power. The board is also equipped with a power save mode which turns the power off when not in use. This helps reduce power consumption and prolongs operation time.

The LM53635QEVM evaluation board is a great tool for power supply designers. It is an ideal platform to evaluate, test, and develop a number of power supply systems. The evaluation board also provides a wide range of options for power supply testing. With the capacity to operate in skip-cycle, power save mode, power failure protection, and a wide input voltage range, the LM53635QEVM evaluation board is a great tool for developing many types of power supplies.

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