ACT6391MH-T

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ACT6391MH-T application field and working principle

The ACT6391MH-T is a controllable DC/DC switching regulator, designed for the use in a wide range of applications. This device is designed for linear regulation of current and voltage, and can provide output voltage and current automatically to ensure constant output characteristics. Furthermore, the ACT6391MH-T has a wide operating temperature range of -40°C to 125°C, and can operate in a wide range of input voltage, making it suitable for a variety of electronic components.

ACT6391MH-T is typically used in portable electronic devices, such as mobile phones, tablets, and other hand held devices. It is also used in automotive, industrial and computer applications. In addition, the device is suitable for use in power management, such as fast battery charging.

The main function of the ACT6391MH-T is to provide a controllable and constant DC supply to the components of the integrated circuit. It is based on a pulse-width modulation (PWM) technique for voltage regulation. The device is composed of an internal switch and a snubber circuit. The switch is turned off and on in a predetermined frequency at the beginning of a power cycle. It then dissipates the stored energy of the inductor and ensures that the current limit is not exceeded. The snubber circuit performs voltage regulation by actively transferring any excess energy to its internal capacitors, allowing the output voltage to remain at the desired value. It also maintains the current limit by preventing voltage spikes.

The ACT6391MH-T also supports a range of other functions. It has active current limitation, soft-start and pre-bias start-up, as well as over voltage, over current and over temperature protection. It also has a low power operation feature designed for low power applications such as standby or sleep modes. The device supports a temperature limit of up to 125°C that allows it to be used in a wide range of environments.

The ACT6391MH-T is an efficient and reliable DC/DC switching regulator. It has a low component count and low cost, making it suitable for a wide range of applications. It has automatic voltage and current regulation, as well as a range of protection functions to ensure its safe operation. It can provide constant output characteristics even in varying conditions and environments, making it a very versatile device.

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