SC1176ASWTRT

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SC1176ASWTRT Application Field and Working Principle

As a DC-to-DC switching controller, the SC1176ASWTRT is designed to provide efficient and reliable power conversion in low and medium voltage applications.

The panel consists of a wide range of regulators, power factor controllers and advanced DC-DC switching controllers. With its advanced functionality and high performance, it is suitable for all industrial, medical and automotive power supplies.

Application Field

The SC1176ASWTRT is a DC-to-DC conversion controller ideal for applications that require high efficiency and low consumption of electricity. It is suitable for a wide range of applications, including medical and automotive power supplies, industrial power supplies, solar power systems, and aviation, military and telecommunications applications.

The device is also suitable for LED lighting and LED control applications, as well as for personal computer power supplies and other AC-DC and DC-DC conversion systems.

Working Principle

The SC1176ASWTRT is equipped with a high performance synchronous rectifier bridge. This bridge is driven in a two-stage topology, and is capable of providing up to 96% efficiency. The two-stage topology enables the device to operate with a wide range of input and output voltages, allowing for a wide range of applications.

The device features an advanced voltage step-down and step-up technology. In the Voltage Step Down mode, the device provides a low output voltage while keeping the power loss low, while in the Voltage Step Up mode, the device converts a low input voltage to a higher output voltage.

The device is also equipped with two internal control loops, the Current Mode Control (CMC) loop and the Voltage Mode Control (VMC). The CMC loop controls the output current, ensuring the load is provided with a constant current, while the VMC loop controlling the output voltage, ensuring that the output voltage remains within specified limits.

The device is also equipped with a frequency control loop, which adjusts the operating frequency according to the output voltage. This ensures that the system runs at the optimal frequency while avoiding unnecessary losses.

Conclusion

The SC1176ASWTRT is a high performance DC-to-DC switching controller, suitable for a wide range of applications. It features a synchronous rectifier bridge and two control loops, the CMC and VMC, as well as a frequency control loop. With its advanced circuitry, the device can provide up to 96% efficiency.

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