THEVA12LVDR820

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Evaluation and demonstration boards and kits are designed to aid developers, engineers, and beginner hobbyists in understanding the functions and capabilities of integrated circuits. This guide looks at the versatile THEVA12LVDR820, a step-down DC/DC power module that comes as part of the evaluation and demonstration board and kit range. This cost-effective solution powers real-world applications, helps to reduce implementation time, and simplifies design challenges.

The THEVA12LVDR820 DC/DC power module offers up to 12V @ 1.25A and integrates an inductor, two MOSFETs, and all necessary passive components into a single compact 6.6 x 10 mm package. The module features an ultra-low quiescent current of 4μA and a hysteretic control scheme that eliminates the need for external resistors. The device also provides a power Good signal to aid with system monitoring and feedback.

With the THEVA12LVDR820 device, start-up time can be reduced to a minimum by adjusting the internal oscillator frequency to as low as 500kHz. This makes it possible to reduce output capacitor sizes and achieve significant cost savings when compared to standard 100kHz solutions. The device also boasts a wide input voltage range, with the ability to operate from a 1.8V to 24V input.

Benefiting from high efficiency over an extensive operating frequency, duty cycle, and input voltage range, the THEVA12LVDR820 is more than capable of handling various applications. Its advanced features make it ideal for a range of applications including cellular handsets, tablets, and notebooks, as well as industrial motor drives, medical and telecom equipment, and many other consumer electronic appliances.

The THEVA12LVDR820 DC/DC power module operates on a basis of a hysteretic control, which is an inherently stable control we use for a wide variety of applications due to its cyclic on-off control of a switching transistor. It has the ability to provide near-perfect regulation, which makes it more efficient than standard linear regulators. The hysteretic control also helps to better manage the current draw of the circuit, contributing to improved power efficiency.

In addition, the device offers a power good signal that can be used to provide fault and status information of the power supply to the rest of the system. This is used to check whether the power supply has properly started and is operational. Another advantage of the THEVA12LVDR820 is its reverse current protection, which prevents current from being drawn from the output when the input supply is no longer present.

Overall, the versatility of the THEVA12LVDR820 DC/DC power module makes it an ideal solution for a variety of applications. With its superior circuit performance, low quiescent current, diagnostic capabilities, reverse current protection and cost savings, the device provides an economical way to meet the demands of many electronics applications.

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