CS51411ED8G

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CS51411ED8G application field and working principle

CS51411ED8G is a DC-DC switching regulator belonging to Power Management IC (PMIC) and Voltage Regulator. It is suitable for a wide range of industrial applications such as wireless systems, PoE(Power over Ethernet) and optical communications, which require high efficiency, low noise and sufficiently robust output voltage.

Working Principle

Switch Mode Regulators use large, switch-mode transistors to rapidly charge and discharge energy from a more powerful source, creating intermediate voltage levels, hence converting a higher voltage to lower one. As efficiency and power density has been increased, switching regulators have become the norm for power supplies in consumer and industrial applications in the past few decades, replacing linear regulators and transformer based supplies.

The CS51411ED8G adopts a discrete components implementation of the circuit mode, which features efficient, small size, low noise and fast-looping. It is a Buck switching regulator with a maximum output current up to 8A and voltage adjustment range from 4.00V to 6.00V. It can support output voltage monitor, power good (PG) monitor and output voltage soft start.

Application

CS51411ED8G integrates the enhanced transistors and optimized gate drivers, making it fit for higher current and higher load application. It not only supports high load current up to 8A, but also has high speed switching frequency up to 1MHz, which is especially suitable for PoE and optical communications systems. Besides, it has low current consumption, low noise and high efficiency, which can satisfy the need of high power output required by industrial applications.

The CS51411ED8G is widely used in PoE, RF power amplifiers, optical communication systems, data centers and other industrial applications, which require higher voltage adjustment ratio, higher switching frequency and higher load current. This IC is cost-effective, fast-looping, and it has very low power consumption, reliable output voltage and long life time under proper use.

Conclusion

The CS51411ED8G is an efficient and reliable discrete-component DC-DC switching regulator from Microchip. It can deliver high load current up to 8A with high efficiency and low noise, and it is widely used for application which needs fast-looping and voltage adjustment.

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