DC2018A

DC2018A demonstration circuit features the LT®8330, a low IQ boost/SEPIC/inverting converter with a 1A, 60V switch. The LT8330 allows higher input and output voltages than comparable converters and also significantly reduces input current at light loads and no load. The LT8330 regulates either positive or negative outputs and has an internally programmed switching frequency of 2MHz. DC2018A consists of two circuits: one circuit is a boost converter with an operating input voltage range from 10V to 36V and an output voltage of 48V. With a 12V input, the maximum output current for the boost is 135mA and the efficiency is 89%. The second circuit is an inverting converter which demonstrates a negative output. The operating input voltage range of the inverting converter is from 4V to 36V and the output voltage is -12V. With a 12V input, the maximum output current for the inverting converter is 270mA and the efficiency is 87%.

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