LP3905SD-A3EV

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Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS are used in a variety of industries and applications. The LP3905SD-A3EV is a DC-DC/AC-DC (off-line) SMPS which has applications in many sectors, such as consumer electronics, industrial equipment, white goods, and automotive industries.

The LP3905SD-A3EV evaluation board is a high-voltage, high-efficiency, non-isolated Buck converter family. It consists of an input voltage range of 3.3V to 36V, and an output voltage range of 0.8V-18V. It is designed with a wide range of features like protection circuitry, stable and reliable operation, minimum external component count, as well as safety and performance certifications.

The LP3905SD-A3EV evaluation board is based on a synchronous rectification implementation, which helps reduce power losses and minimize heat dissipation. It includes an integrated high-side and low-side MOSFETs for controlled switching, as well as two current-mode control loops for improved stability and transient performance.

The board features a constant-on-time (COT) control method, which improves response time and load transient performance without compromising stability. The board also includes an internal feedback voltage divider, a soft-start circuit, and an over-current protection circuit that help simplify the design.

In addition, the LP3905SD-A3EV evaluation board includes an advanced thermal management system. This system consists of a temperature sensor, a fan driver, and two temperature-controlled circuit breakers for efficient power dissipation. It is designed to protect critical components from temperature damage.

The LP3905SD-A3EV evaluation board can also be used in applications requiring high current output and low voltage regulation accuracy. Its robust design ensures reliable operation, regardless of ambient temperature, and provides good protection from over-temperature and voltage surges. It is also suitable for use in high-temperature environments.

The LP3905SD-A3EV evaluation board is an ideal choice for applications requiring DC-DC or AC-DC conversion with a variety of features. Its integrated protection circuitry, along with its high-efficiency synchronous rectification implementation, makes it one of the most robust and reliable DC-DC/AC-DC (off-line) SMPS solutions on the market.

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