LPS103-M

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AC DC converters are specialized electrical products designed to convert AC power, typically provided by a utility, into direct current (DC). This type of device has many applications and is used in multiple industries, most notably in electrical and electronics products. One such example of an AC DC converter is the LPS103-M.

The LPS103-M is a non-isolated, DC-DC step-down converter that operates in either buck or boost mode, converting a wide range of input voltage into a pre-configured output voltage. It is designed to consume less electricity, generate less noise, and have a longer life than traditional, linear power supplies. The topology used is a synchronous fixed-frequency PWM buck or SEPIC chosen dynamically based on the input voltage. This enables the converter to have wide input ranges, up to 40V, with up to 30V differential.

The LPS103-M provides a wide range of input and output voltage combinations including stock models with both DC and AC inputs, allowing them to support a wide range of applications. It also offers features such as soft-start with an adjustable current limit that allows for easier and more efficient system start-ups and overload protection. Efficiency is also further enhanced by the device’s advanced active-clamp reset circuit design. The key features of the LPS103-M also include its low current consumption as low as 3 mA in standby mode and its low quiescent current of 5 mA.

The power efficiency of the LPS103-M converter is rated as high as 94%. The product’s high efficiency makes it an ideal choice for a wide range of applications such as LCD TVs, gaming consoles, and notebook computers. It is also popular for use in medical and telecom infrastructure equipment such as ultrasound and CAT scanners, and satellites. Additionally, the LPS103-M is versatile and can be used for powering a variety of different power sources, including batteries for a range of industrial and consumer electronic products, including mobile phones, MP3 players, portable DVD players, and digital cameras.

To explain the working principle of the LPS103-M converter, it is designed to provide a low-loss conversion from AC or DC power to a DC voltage for use in specific products. It first rectifies the input voltage to DC, and then the output voltage is generated using a switching mechanism. The switching is done at a controlled frequency with a high switching rate, typically between 300 kHz and 2 MHz, depending on the requirements of the application. In buck mode, the switching transistor is used to switch the input voltage across the inductor, generating the output voltage, while in boost mode, the transistor is used to increase the output voltage.

The LPS103-M converter is an ideal solution for many power-conversion applications where high efficiency, low noise, and reliable operation are required. It is designed to deliver good output voltage accuracy and a long product life, making it a popular choice for a range of electronic products. With its high efficiency and wide range of input and output voltage combinations, the LPS103-M converter is an excellent choice for any AC DC conversion project.

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