QSB7548S3V3

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

DC-DC converters are widely used in various applications, from lightweight electronic goods such as batteries and mobile phones to complex equipment such as satellites. The QSB7548S3V3 is a high performance, high efficiency non-isolated synchronous buck regulator specially designed for data processing systems, automotive applications and industrial applications. It is ideal for applications that require power supply without output voltage ripple and very low output noise.

The core feature of the QSB7548S3V3 is its unique 0.53mΩ integrated MOSFET, which reduces on-resistance, reduces power losses and increases the switching efficiency. This converter can be operated by pulse width modulation (PWM). Its ultra low quiescent current optimization helps reduce power consumption and helps substantially reduce total system cost. In addition, the QSB7548S3V3 regulates an input voltage range of 4.5V to 20V, and provides an adjustable output voltage range from 0.6V to 5.5V. It also provides built-in protections against over current, over temperature, over voltage and reverse voltage.

The working principle of the QSB7548S3V3 is basic. It consists of an input capacitor, inductor, two switches, a rectifier, transformer, a rectifying diode, an output capacitor and a control circuit. All of these components work together to convert the input voltage from a specific source to the target output voltage. The input capacitor stores energy in the form of an electric field and helps to reduce the voltage fluctuations. The two switches are responsible for controlling the current to the inductor. When the switch is open it will disconnect the inductor from the input supply and the switch will then close for a brief period of time.

The inductor will then begin to absorb all of the energy stored in the input capacitor, and when the switch closes again, this energy will be discharged into the output side of the converter. The rectifier then turns the AC power generated by the inductor into DC power and the transformer further steps down the generated voltage. The rectifying diode rectifies the AC voltage generated by the transformer. Finally, the output capacitor stores the remaining electricity generated and the control circuit monitors and regulates the input voltage.

The QSB7548S3V3 is a high performance DC-DC converter system that can precisely convert and regulate voltage from the input to the predefined output. Its features and performance make it the ideal choice for applications related to computers, automotive, and industrial systems. It can provide low output noise, high efficiency, low power consumption, high output current, and is designed to function reliably in harsh environments.

The specific data is subject to PDF, and the above content is for reference