LM46002PWPEVM

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The LM46002PWPEVM evaluation board is a DC/DC and AC/DC off-line SMPS board. It is designed to evaluate switchmode power supply components such as the LM46002 switching controller for class D audio amplifiers. The LM46002PWPEVM board can be used to evaluate inputs from 127–300VAC line input or 12–19VDC input, and convert it to a fixed 5V output. It can also be used as a reference design for other products.

The LM46002 switching controller is a controller of high-efficiency switchmode power supplies, and is compatible with both DC and AC input voltages. It is designed to operate with a two-stage topology that uses a pulse-width modulated (PWM) voltage regulator and an inductor-based pulse-width modulated (PWM) current-mode control. This two-stage topology enables hysteretic control as well as peak current control, ensuring that the voltage output remains stable and at the desired level.

The LM46002PWPEVM board operates in DC/DC ON/OFF mode, switching the supply on and off according to the voltage load demand. It is capable of wide input voltage ranges, providing a consistent output for various input conditions. The board can also operate in AC/DC mode, where the board is only powered when the AC line voltage is present and has a minimum current draw.

The LM46002PWPEVM board has a built-in transient voltage protection (TVP) circuit for protection against overvoltage, overcurrent, and overload conditions. It also includes an LCD screen for display of the board’s operational status and settings. The PWM controller features an integrated switching MOSFET, and includes specialized features such as soft-start, overvoltage and overcurrent protection, and a wide operating temperature range for reliable performance.

The advanced features of the LM46002PWPEVM board make it ideal for evaluating power supplies for a variety of applications, such as Class D audio amplifiers, communications equipment, computing systems, and industrial power systems. Its ability to handle a wide range of input voltages make it suitable for a variety of different system requirements.

In summary, the LM46002PWPEVM evaluation board is a versatile tool for evaluating the performance of DC/DC and AC/DC off-line SMPS power supplies. Its advanced features make it suitable for a wide range of applications, and its wide input voltage range gives it excellent versatility for different system requirements. Its built-in protection mechanism and LCD screen make it user friendly and reliable for various power supply designs.

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