LM3677LE-1.8EV

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LM3677LE-1.8EV is a highly efficient evaluation board for DC/DC and AC/DC (Off-line) SMPS applications. It offers low standby power consumption as well as low operating power consumption.The board is based on the popular LM3677LE-1.8EV (MSOP-8) from Maxim Integrated Products. The Maxim Integrated Products device\'s features include:

• 800mV to 3V input voltage range
• 1.8V output voltage range
• Up to 1W output current
• Integrated Undervoltage Lockout (UVLO) circuitry for low voltage start up
• High efficiency up to 90%
• High switching frequency up to 1.5MHz
• Built-in protections such as over voltage, over temperature, and short circuit protection.

The LM3677LE-1.8EV evaluation board components include:

• A voltage regulator with wide operating range.
• A voltage feedback network including a 1:1 resistive divider for low output voltage regulation.
• An inductor with a ferrite core for high efficiency and low EMI.
• A temperature-sensitive integrated chip for accurate power efficiency.
• A field effect transistor (FET) gate drive circuit to reduce switching losses.
• An integrated thin-film resistor and discrete components for additional protection against high voltage spikes.
• Matched synchronous rectifying components for improved efficiency.
• A family of easy-to-use mobile phone power supplies.

The LM3677LE-1.8EV evaluation board is an ideal solution for power adapter applications in mobile phones. It provides a complete package for assessing the device’s performance in various load conditions. The board features the capability for wide input voltage range and high efficiency with a low input current. Its wide input voltage range accommodates widely available V, 0V, and 15V supply lines. Output currents of up to 1A can be supported. The board also features an input current limit to protect the device against excessive current. In addition, the board features built-in protection features such as over voltage and short circuit protection, as well as over temperature protection.

The LM3677LE-1.8EV evaluation board was designed to be used in several types of applications. For instance, it can be used as a power adapter for a mobile phone, or a switching power supply for a wide range of applications. By utilizing its low frequency switching, the board can achieve high efficiency and low EMI levels. With the adjustable inductor, the total output power can be increased. Furthermore, the board can easily be switched to a more efficient switching power supply by utilizing its on-board components. Additionally, the board can be used as an industrial power supply or as a transient voltage suppressor, helping protect sensitive electronics from damaging transients.

The LM3677LE-1.8EV evaluation board is a great tool to assess the performance of DC/DC and AC/DC (Off-line) SMPS applications. Its wide input voltage and output current capabilities, as well as the integrated protections, makes it suitable for a variety of applications. Furthermore, its high efficiency, low EMI, and adjustable inductor makes it a great solution for an energy efficient power adapter in mobile phones. The board provides users with the perfect tools to assess their application performance.

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