MAX20012ATJB/V+

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The MAX20012ATJB/V+ is an integrated circuit from Maxim Integrated, first released June 27th, 2017. It is a current-mode high frequency buck controller with an application field covering a wide range of power level. This article will provide an overview of the MAX20012ATJB/V+ application field and working principle.

Application Field

The MAX20012ATJB/V+ is suitable for a wide variety of power boosting level. It can accept an input of 500KHz characteristics and provide either a continuous output current mode or a discontinuous mode with up to 250 KHz frequency. The output current can reach up to 2A, and the efficiency of the unit can support up to 95%.

The MAX20012ATJB/V+ can also operate in a temperature range of -40℃ to +125℃. This makes it suitable for use in extreme conditions, such as high-intensity gaming or automotive electronics. It is also ideal for low-voltage applications, such as powering laptops and devices that require minimal power.

Working Principle

The MAX20012ATJB/V+ works on a simple principle that involves sensing the current and converting it into a proportional voltage. The voltage feedback is then compared with the current input of the device. The result of this comparison is used to control the output of the device, ensuring that a constant and desired power output is achieved.

The device starts the working process by adjusting the duty cycle of the input voltage. The duty cycle can be adjusted by the built-in switching operation of the MAX20012ATJB/V+. Once the duty cycle has been regulated, the output is then monitored to ensure that the desired level of power is maintained. If the output drops below the desired level, the MAX20012ATJB/V+ will adjust the duty cycle again to compensate for the change in power.

The MAX20012ATJB/V+ also features built-in protection features. These features are designed to prevent the device from being damaged due to overload, under-voltage, and over-voltage, and can also detect and shut down the device in situations such as a high-energy surge.

Conclusion

The MAX20012ATJB/V+ is an advanced device that can handle a wide range of power level from 500KHz up to 250KHz. It works on a simple principle that involves comparing the voltage feedback with the input current to ensure a constant and desired power output. The device also features built-in protection features to prevent damage due to overload, under-voltage, and over-voltage. This makes the MAX20012ATJB/V+ ideal for a variety of applications including gaming, automotive electronics, and low-power devices such as laptops.

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