V48B28H250BS2

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DC-DC converters are electronic circuits that convert a DC electrical source, such as a battery or an AC (alternating current) power supply, into one or more other DC power sources of various voltages. DC-DC converters can be found in many applications, such as in automotive, mobile, and industrial electronics.

The V48B28H250BS2 is a high-efficiency DC-DC converter designed for a variety of applications. It uses synchronous rectification technology and a full bridge topology to achieve an efficiency of up to 97%. The V48B28H250BS2 is a non-isolated, fixed-frequency step-down buck converter that takes an input of 28V DC and outputs 12V at up to 250 Watts.

The V48B28H250BS2 consists of a PWM controller IC, a power switch, two sets of power MOSFETs and two sets of current sense resistors. The PWM controller IC generates a switching pulse with an adjustable frequency, and is used to control the switching of the power MOSFETs. This PWM pulse is fed into the gate terminals of the two sets of power MOSFETs, which are responsible for switching the input voltage to the output voltage. When the MOSFETs are switched on, they allow the input voltage to be stepped down, and when they are switched off, they block the input voltage, thus allowing for a regulated output voltage.

The V48B28H250BS2 also employs over-current and over-voltage protection circuits. The over-current protection circuit monitors the output current, and in the event of an over-current condition, it shuts off the power. The over-voltage protection circuit monitors the output voltage, and in the event of an over-voltage condition, it shuts off the power. The V48B28H250BS2 also features temperature protection, short-circuit protection, and soft start-up.

The V48B28H250BS2 is suitable for a wide range of applications such as industrial automation equipments, domestic appliances, LED lighting, and robotics. The V48B28H250BS2 is reliable, efficient, and cost-effective, making it an ideal choice for any application requiring a switch mode power supply.

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