PYB15-Q48-S12-T

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DC-DC converters are devices used to convert electrical power from a direct current (DC) source to a different voltage level or polarity. PYB15-Q48-S12-T is one such DC-DC converter specifically designed to provide regulated isolated output power in an extremely compact size. The device uses a full bridge synchronous rectification topology with an isolation transformer and outputs up to 15 watts in very low noise—all with a power density of up to 1.6W/cm3. It also offers outstanding electrical performance due to its full bridge PWM control topology and synchronous rectification, and has a wide 4:1 input voltage range of 9-36VDC, with input under-voltage protection and output over-voltage protection. The PYB15-Q48-S12-T also features an adjustable output voltage (set point from 0.5V to 28V) with load and line regulation of less than 0.2%.The working principle of the device is relatively simple. Power is supplied to the DC-DC converter’s input voltage and then converted to the right voltage level, determined by the output voltage settings. The device’s bridge rectifier converts alternating current (AC) to direct current (DC) and then its output is regulated by an internal PWM controller. The output voltage of the converter is then regulated by the synchronous rectification process, where a free-wheeling diode is used to reduce losses.PYB15-Q48-S12-T is well-suited for a range of applications such as automotive, medical, industrial, test and measurement, and telecom equipment. In automotive applications, it can be effectively used for DC/DC power conversion in electric and hybrid vehicles, while in medical applications, it is suitable for medical imaging, test and measurement, lab equipment, and monitoring systems. For industrial applications, it is suitable for motion control and lighting systems, and for telecom equipment, it can be used in PoE, PDH, and TDM applications.The device offers a small form factor of only 31.0x16.2x10.0mm, an output voltage of 0.5-28V, and a high operating temperature range of -40 to +125°C. In addition, it has full reverse polarity input protection, and meets mandatory requirements for conducted, magnetic, and radiated EMI performance. It also features a wide variety of protections, including under-voltage protection, over-voltage protection, output over-current protection, over-temperature protection, and short-circuit protection. The device also offers UL60950-1, EN60950-1, ECR-223, GB4943, IEC Europe, AS/NZS 60950-1, and other safety approvals.In summary, the PYB15-Q48-S12-T is an extremely compact and efficient DC-DC converter designed to provide highly regulated isolated output power for a variety of applications including automotive, medical, industrial, test and measurement, and telecom equipment. It has a wide voltage range of 4:1 input voltage from 9 to 36VDC and features adjustable output voltage with load and line regulation of less than 0.2%. Additionally, it offers full reverse polarity input protection and meets mandatory requirements for EMI performance, as well as a variety of protections for safe operations.

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