NKE0505DEC

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DC-DC converters are electronic circuits which convert a DC input voltage into a different DC output voltage. The NKE0505DEC is a step-down DC-DC converter used for applications involving ultra-low noise power supply, auxiliary power supply, and post-regulation. It has an input voltage range of between 4.5V and 28V, and an output voltage range of between 0.6V and 5V. This device utilizes a buck topology and operates at a switching frequency of 1 Megahertz. It offers excellent efficiency, noise, output current and short circuit protection thanks to its integrated FET driver and a number of external components such as a Schottky diode and MOSFET.The NKE0505DEC features a low quiescent current of just 15μA, and a wide input voltage range. Its output voltage is adjustable through an external resistor, typically in the range of 0.08V to 5V, and its output current can be up to 8A. The NKE0505DEC boasts excellent input and output isolation performance, wide operating temperature range and adjustable soft-start functionality. The device also features a thermal protection circuit to ensure operation within a safe temperature range so as to protect the device and other equipment from potential damage.In terms of working principle, the NKE0505DEC utilizes a buck topology to convert the input voltage to the output. It works by generating a rectangular PWM waveform that passes through a low pass filter. This will result in an output voltage that is lower than the input voltage, which is then regulated by the PWM signal. The PWM signal is generated by an internal oscillator, which is regulated by the voltage divider connected to the external resistor.The NKE0505DEC is a highly efficient device thanks to its integration of FET driver and a series of external components. It is designed to offer low quiescent current, excellent input and output isolation performance and adjustable soft-start functionality. With its wide input voltage range, adjustable output voltage, efficient switching frequency and thermal protection circuit, the NKE0505DEC is a great choice for a variety of different applications.

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