SUCS6123R3B

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DC-DC converters are devices that convert a direct current (DC) input voltage to a different, or the same DC output voltage. The SUCS6123R3B module is designed to provide a strict power supply for a variety of consumer, industrial and automotive applications. This device gives high performance power conversion and provides an adjustable output voltage. The maximum input and output current is 3A and the output voltage is adjustable from 1V to 5V.

Application field

SUCS6123R3B module is a low input impedance and 400-kHz switching frequency converter, offering an adjustable output voltage from 1V to 5V. It is suitable for consumer product, such as mobile phones, laptops and miniature consumer electronic devices. It also has the capability to support industrial equipment such as motors, pumps, and lights, while having the flexibility to handle automotive electronics that require more precise and dynamic regulation.

Working Principle

The SUCS6123R3B module works on buck-boost switching topology. The buck-boost converter is a DC-DC converter that uses the same principle as the buck converter, while adding a switch to create a voltage polarity reversal capability. The switching frequency of the converter is 400kHz, and inductor current mode control is used for high efficiency. The module includes the necessary protection features, such as output Over Voltage Protection (OVP), Thermal Protection (THP) and Short Circuits Current Limiting (SCL).

The SUCS6123R3B module utilizes an on-board MOSFET to switch the output voltage. A power control IC is used for closed-loop regulation. The power control IC controls the current through an internal sense resistor, which in turn regulates the output voltage. The design of this module provides excellent power conversion efficiency, adjustable voltage output, and protection features that help ensure a safe and reliable operation.

Conclusion

In conclusion, the SUCS6123R3B module from Siemens is a sophisticated DC-DC converter that provides adjustable output voltage between 1V and 5V at high efficiency and low input impedance. It is suitable for a variety of consumer, industrial and automotive applications and provides the necessary protection features for safe operation.

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