V375B15H200BS

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DC-DC converters are an essential component in power electronics, providing the necessary voltage regulation to power electronic circuits for such applications as computers and telecommunications equipment. The V375B15H200BS is one such example of a DC-DC converter, a DC-to-DC (DC/DC) step-down (buck) regulator. This article sheds light on its application and working principle.

Application Field:

The V375B15H200BS is rated at a maximum output voltage of 20V, a maximum input voltage of 57V, and a maximum output current of 6A. It is particularly suitable for applications with high-power density requirements, such as motor control, solar, and LED lighting. Due to its wide input voltage range and high efficiency, it is also suitable for automotive and industrial applications.

It features a low quiescent current (740mA), low dropout voltage (0.7V), programmable soft start, as well as under-voltage protection (UVP), short circuit protection (SCP), and over-temperature protection (OTP). This makes it especially suitable for automotive and industrial applications, where it is important to ensure a reliable, error-free operation.

Working Principle:

The working principle of the V375B15H200BS is based on the concept of pulse-width modulation (PWM). The input voltage is switched between two different levels by a power switch. Depending on the duty cycle of the pulses, the output voltage is regulated. The input and output voltages are kept in a constant ratio while the frequency of the pulse-width is adjusted to maintain the output voltage.

The input voltage is regulated by a control circuit which is constantly tracking the output voltage. This ensures that the output voltage is maintained within the specified limits. The control circuit also monitors the temperature of the power switch and the output current, and adjusts the frequency of the pulse-width to prevent overheating and overcurrent.

The V375B15H200BS is designed to be an efficient and reliable power supply for sensitive electronic equipment. It is able to operate at a maximum efficiency of 90%, and has an input voltage range of between 3 and57V. It also features temperature protection and over-current protection to prevent damage from overloading or overheating.

The V375B15H200BS is a versatile and reliable DC-DC converter designed for a wide range of applications. Its high power density, efficiency, and wide input voltage range make it suitable for a variety of applications, from motor control to solar and LED lighting.

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