R0.25D12-1224/H

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DC-DC converters, such as R0.25D12-1224/H, are used to transform a steady input signal to an output signal with a different voltage and/or current. The DC-DC converter is used in a variety of applications including energy storage, aerospace equipment, medical devices, and automotive applications. The following provides an overview of the application field and working principle of R0.25D12-1224/H.

Application Field

R0.25D12-1224/H is a power supply module with an adjustable output voltage. It is mainly used to provide a continuous low voltage power supply for wide-range DC power supply applications such as industrial automation, medical instrumentation, automation control, communications, transportation, and measurement equipment. It is especially suitable for battery-powered circuits and photovoltaic systems.

The adjustable output voltage range of the module is from 6 to 48 V DC. It provides three kinds of adjustable output currents, 24A/12A/6A, with conversion efficiency up to 95%. It is a high-power boost voltage converter and also acts as a low-voltage voltage stabilizer, and features over-voltage, over-current, short-circuit, and EMI protection. It is also suitable for temperature ranges from -10°C to +85°C.

Working Principle

The working principle of the R0.25D12-1224/H is based on a step-up technique of DC-DC conversion. It utilizes a switch (MOSFET) to boost the voltage to the desired level. When the MOSFET is switched on, the inductor reaches its peak current. When the MOSFET is switched off, the energy stored in the inductor is released to the output capacitor and the output voltage rises. This cycle repeats until the desired output voltage is obtained. The output capacitors are then used to filter and stabilize the output voltage.

The module also makes use of a pulse width modulation (PWM) control, allowing it to adjust and maintain the output voltage at a desired level. The PWM control uses feedback information from the output capacitor to adjust the duty cycle of the switching, thereby controlling the output voltage. The module also features a power-saving design with a maximum standby current of 5mA. This ensures that the module does not consume power when it is not actively working.

R0.25D12-1224/H is an ideal DC-DC converter for applications such as industrial automation, medical instrumentation, automation control, communications, transportation, and measurement equipment. It provides an adjustable output voltage range of 6 to 48 V DC, conversion efficiency up to 95%, and over-voltage, over-current, short-circuit, and EMI protection. Its power-saving design ensures that it operates efficiently and with minimal power consumption.

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