C501112020

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C501112020 is a current mode linear voltage regulator with silicon monolithic integrated circuit series, designed by Cysense Inc., and used in the development of energy-saving electronic products. It is widely used in smartphone systems, notebook computers, ultrabooks, tablet PCs, LED lighting equipment, automotive electronics, medical equipment, home electrical equipment, industrial control and a series of energy-saving electronic products.

C501112020 is mainly composed of MOSFET and voltage reference device. In the working process, the linear regulator can finely control the output voltage through the internal PWM operation to obtain the current being applied to the load in a fixed proportion. Its working principle is as follows: the voltage reference device provides a constant reference voltage to the error amplifier, and the error amplifier will drive the internal PWM controller. The output current is then obtained by the MOSFET through the pulse modulation control. As mentioned above, the C501112020 can achieve a very accurate output voltage control, and its voltage regulator accuracy is within the range of ±0.5V.

C501112020 is widely used in electronic products such as smartphones, automotives, and communication devices, which requires higher quality of DC power supply. It applies the Pulse Width Modulation (PWM) and linear regulators, to obtain excellent performance in terms of low supply voltage, low power consumption, and low output voltage ripple. It is also lead-free, has a high ripple frequency, is low noise, is short-circuit protected, and eliminates the need for an external Schottky diode.

In terms of application, C501112020 can be applied on mobile phones, tablet PCs, automotive electronics, medical systems, network devices, and a variety of battery-powered consumer products. For example, in the application of tablet PCs, this linear voltage regulator can be used between the main battery and the internal DC-DC converter of the tablet to obtain a more stable output voltage. Additionally, it can offer a powerful protection for short-circuit, thermal redundancy, and replaceable fuse configurations, to ensure high reliability for the end product.

In conclusion, C501112020 is a high-performance linear voltage regulator. It can achieve a stable and precise output voltage control to meet the requirements of different electrical appliances. Its application fields are very wide, and it can also provide reliable protection for the electronic products it is supplied for. In terms of working principle, it uses MOSFET and voltage reference device to control the output voltage by internal PWM operation, to obtain the current being applied to load in a fixed proportion.

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