PT7701C

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DC-DC converters are electronic components that are used to convert direct current (DC) from one voltage level to another. The PT7701C is a highly efficient non-isolation buck DC-DC converter with wide input voltage range and adjustable output voltage. It features low ripple, high accuracy, low start-up current, and soft start to minimize inrush current.

PT7701C Application Field

Due to its high efficiency and high accuracy, PT7701C is an ideal choice for applications such as automotive, industrial, medical, LED lighting, wireless communication, and computer related products. It can be used in a wide range of applications, such as DC-DC switching power supplies, motor drives, battery chargers, and portable devices. Additionally, it can be used in automotive, medical, and industrial systems, as well as in LED lighting systems.

PT7701C Working Principle

The PT7701C DC-DC converter works on the principle of buck-boost. It takes an input DC power at a given voltage level (VIN) and produces an output current at a desired voltage level (Vout). The device consists of an internal switch (MOSFET) and a control circuit. The internal switch is used to convert the input voltage to the desired voltage level. This is done by controlling the opening and the closing of the switch according to the input voltage and the output current. The control circuit is used to adjust the output voltage and to control the switching frequency.

The PT7701C operates in two modes: continuous current and discontinuous current. When the input voltage is low and the output current is low, the converter operates in the continuous current mode. In this mode, the switch is always on, and the output current is regulated. When the input voltage is high and the output current is high, the converter operates in the discontinuous current mode. In this mode, the switch is turned on and off to regulate the output voltage.

The device contains a wide range of features, including adjustable soft-start, over-voltage protection (OVP), over-current protection (OCP), over-temperature protection (OTP), and under-voltage protection (UVP). Additionally, it has an adjustable switching frequency, which helps to reduce switching noise and to increase the efficiency of the converter.

Conclusion

The PT7701C is an efficient and high-performance non-isolation buck DC-DC converter with adjustable output voltage. Its wide input voltage range and adjustable output make it an ideal choice for a variety of applications. It features low ripple, high accuracy, low start-up current, and soft start to minimize inrush current. Additionally, it has several features, such as adjustable switching frequency, over-voltage protection (OVP), over-current protection (OCP), over-temperature protection (OTP), and under-voltage protection (UVP). Therefore, it is a reliable and economical solution for your applications.

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