PAH200H483R3/BCP

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DC-DC converters are widely used to step up or step down voltage levels. The PAH200H483R3/BCP is one of the most popular DC-DC converters currently in use. It is a low power, off-line, isolated, fixed frequency current-mode buck converter with low voltage (<10V)inrush current limitation, high efficiency and low EMI.

The PAH200H483R3/BCP is suitable for a wide variety of applications where a steady voltage is required to operate electronic systems. These applications include industrial automation, automatic test equipment, instrumentation, medical, avionics, aerospace, communications, lighting, and automotive.

The PAH200H483R3/BCP’s working principle is related to its physical design. The converter consists of four main components, namely an inductor, a diode, an output capacitor and a switching transistor. It can operate either in discontinuous Conduction mode (DCM) or in continuous Conduction mode (CCM). In DCM the converter operates in discontinuous conduction mode, meaning that the inductor current stops flowing for some time, this leads to low output voltage ripple. In CCM mode the inductor is subjected to a pulse-width modulation (PWM) which keeps the inductor current constantly flowing, leading to a higher voltage drop across the diode.

The PAH200H483R3/BCP also features an output voltage overshoot prevention circuitry which works to prevent output voltage from going above the set level. This feature ensures that the output voltage remains within a given range.

The PAH200H483R3/BCP is an efficient and reliable DC-DC converter. With its low power, off-line, isolated, fixed frequency current-mode buck converter design, it can offer both high output voltage accuracy and low voltage inrush current limitation, in both DCM and CCM working modes. This makes it a perfect choice for a variety of applications where high performance and reliability are essential. Its output voltage overshoot prevention circuitry provides added protection, ensuring the output voltage remains within the given range.

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