VQB75W-Q48-S3R3

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DC-DC converters are components used to control the voltage output for a given set of applications. VQB75W-Q48-S3R3 is one such type. It is capable of delivering up to 75 W of output power with a maximum input voltage up to 48 VDC and output voltage up to 3.3 VDC.

The VQB75W-Q48-S3R3 is a high-efficiency, compact, dc-dc converter and provides high stability for applications such as embedded control, telecom, industrial and medical. It offers low ripple noise, fast response time, high efficiency and wide range temperature operation. It is available with a wide range of package types and pinouts.

VQB75W-Q48-S3R3 features the following:

• High efficiency - up to 92%
• Input voltage range from 9 to 48 VDC
• Output voltage range from 0.5 to3.3 VDC@5A
• Output ripple voltage less than 50 mV
• Remote on/off the system for standby mode
• Automatic protections of Overtemperature, overvoltage and short circuits
• Wide range operating temperature from -40 °C to +85 °C

The operating principle of the VQB75W-Q48-S3R3 converter is based on a switching regulator circuit. In this type of circuit, when a dc voltage source is applied to the input of the converter, the power is then switched off and on at a specific frequency, which is defined by the internal oscillator. The power is switched from the input to the output in a series of pulses. When the power is on, it is switched from the input to the output through a switch, while when the power is off, the switch is closed. The pulse length (on time) determines the average output voltage of the device.

The VQB75W-Q48-S3R3 is well suited for a variety of applications, such as lighting, motor control, communication systems, medical equipment, industrial machines, power supplies and other electronic equipment. It is a reliable component that is able to provide reliable power conversion through its highly efficient power conversion circuit and wide range operating temperature.

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