VI-210-MX-F1

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DC DC converters provide various power supply solutions for different applications such as LED Lighting, solar power, automotive and consumer electronics. Among them, VI-210-MX-F1 is a typical solution for stepping voltage in the automotive and industrial sectors.

VI-210-MX-F1 is a semi-isolated DC-DC converter which is developed with the synchronous buck technology. This allows the device to deliver maximum output power up to 40W which covers a wide range of application fields including lighting, telecom and automotive. It offers an input voltage range from 5V to 36V, output voltage from 0.8V to 24V and a wide range of operating temperature from -40℃ to 125℃. With its high efficiency up to 95%, small size and low BOM count features, VI-210-MX-F1 is capable of operating with temperatures ranging from -40°C to 125°C, enabling it to be used in extreme environments such as in automobiles.

The working principle of the VI-210-MX-F1 is quite straightforward. It consists of an input voltage source, output voltage source, power switching IC and some additional components. Internally, it uses a synchronous buck topology, which consists of an input capacitor, synchronous rectifier, input inductor, power switch, output inductor, shunt resistor, and output capacitor. The input voltage source is connected to the power switch via the input capacitor. The power switch is then connected to the output voltage source via the synchronous rectifier, output inductor and output capacitor.

In order to convert the input voltage to the output voltage, a control circuit is used to regulate the output voltage. The control circuit consists of an error amplifier, mode control logic circuit, and the current sense circuit. The error amplifier compares the output voltage of the converter with a user-defined reference voltage. When the output voltage is lower than the reference voltage, the error amplifier commands the mode control logic circuit to switch on the power switch. This will cause the input voltage to transfer to the output voltage. The current sense circuit is used to detect the output current of the converter in order to prevent the output current from exceeding the current limit.

In conclusion, VI-210-MX-F1 DC DC converter is designed with synchronous buck topology and can convert power with high efficiency in a wide range of applications and environments. With its adjustable output voltage, temperature and input voltage range, it is capable of providing power solutions for both automotive and industrial sectors.

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