DRQ-12/50-L48NKA-C

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DC-DC converters are power supplies that convert a source of direct current (DC) from one voltage to another. The DRQ-12/50-L48NKA-C is an isolated DC-DC converter designed for medical applications requiring an input of 12VDC and 50W of power output to 48VDC. It has a wide input voltage range, high efficiency, and short-circuit protection.

In order to understand how the DRQ-12/50-L48NKA-C works, it is important to understand the components involved in a DC-DC converter. A DC-DC converter is comprised of four basic components, the input power stage, the control stage, the output power stage, and the feedback stage.

The input power stage consists of a rectifier, filter capacitors, and an input filter inductor. The rectifier is used to convert AC power to DC power, while the filter capacitors reduce the ripple voltage of the DC power. The input filter inductor is used to reduce the harmonic content of the input voltage. The control stage consists of the power switch, the control circuit, and the pulse generator. The power switch is responsible for regulating the output power of the unit according to the PWM signal from the control circuit. The control circuit analyses the voltage and current at the input and output to generate the correct PWM signal, which is then sent to the pulse generator. The pulse generator is responsible for converting the PWM signal into the voltage and current that the power switch needs to switch the output power. The output power stage is made up of the output inductor, capacitor and diode. The inductor is used to smooth out the power surges caused by the switching action of the power switch. The capacitor is used to store energy, while the diode is used to prevent the output voltage from feeding back in to the input side of the converter.

The last component of a DC-DC converter is the feedback stage. This is where the output voltage and current are monitored and sent back to the control circuit. Depending on the type of DC-DC converter, the feedback stage might also include additional components such as an opto-coupler, to ensure isolation of the feedback signal from the input power.

The DRQ-12/50-L48NKA-C is a non-isolated DC-DC converter designed for use in medical applications, requiring an input of 12VDC and an output of 48VDC at 50W. The converter provides a wide input voltage range of 8-16V and a high efficiency of over 88%. It also features short-circuit protection circuitry to protect against over-current and over-voltage.

The DRQ-12/50-L48NKA-C is designed for applications that require precision regulation of the output voltage and tight output voltage regulation over a wide input voltage range and temperature range. It can be used in medical equipment such as infusion pumps or heart rate monitors, where an accurate and reliable power supply is essential.

In conclusion, the DRQ-12/50-L48NKA-C is an isolated DC-DC converter designed for use in medical applications requiring an input of 12VDC and an output of 48VDC at 50W. The converter provides a wide input voltage range of 8-16V and a high efficiency of over 88%. It also features short-circuit protection circuitry to protect against over-current and over-voltage. The DRQ-12/50-L48NKA-C is an excellent choice for applications that require precision regulation of the output voltage, and tight output voltage regulation over a wide input voltage range and temperature range.

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