V48C5M100BS3

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DC–DC converters are widely used in various applications, including power supply, motor control, motor drives, etc, to efficiently step up or step down the input voltage to the desired output level. The V48C5M100BS3 is a high-efficiency buck-boost DC–DC converter that provides a regulated output voltage of 5V, with an input range of 4.5V to 60V. It operates in either step-up or step-down mode depending on the input voltage. This DC–DC converter offers high efficiency, low ripple, and low EMI operation.

The V48C5M100BS3 converter has a maximum output current of 100A and an efficiency of up to 97%. It supports pulse frequency modulation (PFM) and pulse width modulation (PWM) operation modes that can be selected via an external control pin. It also features an adjustable output voltage with a range of 1V to 5V, and an adjustable switching frequency up to 1MHz. The device is also available in an extended temperature range of -40°C to +125°C.

The working principle of the V48C5M100BS3 converter is based on the buck-boost topology. It has an input side switch and an output side switch and in step-up mode the input switch is driven by the input voltage, whereas in step-down mode the output switch is driven by the input voltage. The V48C5M100BS3 features a synchronous MOSFET topology and a constant-current control circuit, which provides accurate regulation of the output voltage. It has an internal zero-cross (ZC) detector, which detects the zero-crossings of the inductor current and provides the feedback signal for regulating the output voltage. Additionally, the device also features a soft-start circuitry, which ensures a smooth start-up.

The V48C5M100BS3 converter is suitable for a wide range of applications, including motor control and power supplies, due to its robust design and high efficiency. It is also suitable for automotive applications, due to its extended temperature range and low EMI. The device is available in a thermally enhanced surface-mount package that provides maximum power dissipation and temperature stability.

The V48C5M100BS3 is a versatile and efficient DC–DC converter that can be used in a variety of applications. It offers excellent performance, high efficiency, and low EMI. The device’s adjustable voltage, along with its extended temperature range makes it suitable for a wide range of applications. Its robust design and thermally enhanced surface-mount package make it ideal for automotive and industrial applications.

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