RPA20-243.3SAW

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The RPA20-243.3SAW is a DC-DC Converter designed to provide regulated DC power from an unregulated input. It is a highly efficient, low noise, and low-cost solution to supply coherent power supply needs. The converter operates from 12 V/24V input source and provides an output of 5V/3.3V/2.5V/1.5V. It is designed to work in low/medium power applications and typically used in industrial automation, network equipment, telecommunication, health related equipment, automotive, and computer systems.

The RPA20-243.3SAW is a synchronous step-down/buck converter with a high peak efficiency up to 95%. The module’s output power up to 20W, with an input voltage ranging from 9.6V to 36VDC. It can also provide a steady output voltage through a wide operating temperature range from -40 to +85°C with little change in output voltage. The RPA20-243.3SAW does not require any external components and is easy to install and set up, thus simplifying the system design. Its unique feature is that the over voltage protection is set internally to cut off the overvoltage, improving the system reliability and performance.

The operation of the RPA20-243.3SAW is based on the buck topology, an accepted and extensively tested topology used in switching power supplies for some decades. In this circuit, the input voltage is applied across the switch node and the output, and the switch is controlled by an internal Pulse Width Modulation (PWM) controller. As the switch is periodically turned on and off at a regular frequency, the input voltage is rectified, filtered, and then regulated to a specific output voltage. The critical component of this system is typically the PWM controller, which senses the output voltage and compares it with a reference and then adjusts the switching frequency accordingly.

The RPA20-243.3SAW includes other features such as short circuit protection which helps to prevent potential damages and long-term stability. It also features high-temperature protection for the high temperature environment and low ripple for clean output. When connected to the slot in the power supply, the module can automatically detect the input voltage and adjust to the proper output voltage, enabling a high degree of system flexibility.

The RPA20-243.3SAW provides a highly efficient power solution for a wide range of applications. It offers sophisticated features in a compact form factor, thus enabling high power density in a small space. Its reliability, efficiency, and flexible design make it an ideal choice for power conversion in dedicated applications where consistent and reliable power supply is a requirement. It is suitable for applications such as industrial automation, network equipment, telecommunication, health related equipment, automotive, and computer systems.

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