RH-121509D/HP

DC-DC converters are incredibly versatile and are used in a variety of applications in the automotive, aerospace, medical and communication industries.  RH-121509D/HP is a non-isolated DC/DC step-down converter with high current capability and high accuracy output voltage.

The RH-121509D/HP can be used as a variable voltage power supply for applications that require a wide range of output voltages. The output voltage is adjustable over a range from 1.3V to 36V, capable of sourcing up to 150A rated output current with an efficiency of up to 98%. It has a variety of protection features to ensure the power supply is stable and reliable.

The RH-121509D/HP features low output noise and low EMI characteristics for excellent EMC performance. It has an optional precise current monitor port, which is especially beneficial in high current applications to monitor and detect unexpected current changes. The step-down converter is compatible with a variety of input voltage levels from 6V to 80V DC.

The combination of low cost, high efficiency and high performance makes the RH-121509D/HP an ideal solution for applications in many industry sectors. The wide input range, low ripple noise, current monitoring capability and high reliability are just some of the reasons it is such a popular choice.

Working Principle of RH-121509D/HP

The RH-121509D/HP is an advanced step-down converter that operates on a constant frequency, current-mode control. The process of conversion is achieved through a multi-stage switch matrix. The output voltage is adjusted by means of a feedback signal from the output power supply that is then compared to a reference voltage.

The interaction of the various switches in the switching matrix results in a controlled decrease in the output voltage produced by the converter, having previously been adjusted by a voltage divider. The energy produced by this process then passes through a pulse width modulation converter or PWM, resulting in the conversion of the current from DC to AC. The AC is then processed by the DC-DC converter, resulting in a step-down decrease in the voltage.

Once the voltage is decreased, the output voltage is then regulated by a feedback loop, with any excess energy produced being dissipated as heat.

In conclusion, the RH-121509D/HP is a high efficiency, high current capability DC/DC step-down converter that is ideal for a wide range of applications. With its low noise and low EMI characteristics, it is highly reliable and offers a variety of safety features to ensure its stable operation. The current monitor port is especially beneficial in high current applications, allowing for precise current monitoring and detection. The RH-121509D/HP is an excellent choice for applications requiring a reliable and efficient step-down converter.