SPB05A-05

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DC to DC converters are electronic devices used to convert an input DC voltage into a different voltage level and/or current level output. In addition, DC-to-DC converters can also be used to increase or reduce current, provide voltage polarity reversal, and for the design of special-purpose functions such as controlled current sources and lighting controllers.The SPB05A-05 DC-DC converter is a small, low-power device suitable for high-efficiency operation in many applications, including medical instruments, point-of-sale systems, telecommunication systems, industrial control and other general purpose industrial applications. It is designed to accept a wide input voltage range and delivers an adjustable isolated output voltage from an input of 5 to 28 VDC. The unit features a low-current standby mode and a thermal protection shut-off circuit to prevent damage in case of overload.The SPB05A-05 converter provides an isolation of 900 VAC between the input and output circuits. It also offers tight line/load regulation of 0.1% with a corresponding ripple/noise filter capacitance of 470uF. The device’s input to output capacitance-and-transformer-based insulation system also offers excellent common-mode EMI performance and low-profile package.The device’s working principle is based on a buck converter topology, and it utilizes Pulse Width Modulation (PWM) to regulate the output voltage. With a PWM controller, an oscillator circuit is used to switch the input voltage at a fixed frequency, creating a train of voltage pulses at the switching frequency. These pulses are then filtered with a low-pass filter to smooth out the output voltage level and reduce the oscillations from the switching action. This allows the converter to send out a constant average output voltage regardless of variations in load or input voltage.The SPB05A-05 DC-DC converter is a low-cost and reliable solution for many different applications. Its efficient operation, adjustable output voltage, low-profile package, and high-frequency transformer-insulated power transfer make it an ideal choice for many different power conversion needs.

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