R1DA-3.30505

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DC DC converters play an important role in modern power electronics as they are used to convert one DC voltage to another DC voltage, often within a limited range of current or voltage. The R1DA-3.30505 is a non-isolated DC DC converter specifically designed to deliver a constant output voltage, even when the input voltage changes drastically or the load is varying. As a high-performance DC DC converter, the R1DA-3.30505 provides low ripple, high accuracy and wide input voltage range, a combination of features that make it an ideal choice in applications for the industrial, medical and automotive sectors.

The R1DA-3.30505 is a synchronous buck converter providing output voltage up to 3.3V, making it well suited for applications such as MIL-STD-1553 bus interface, network interface cards, daughter cards, portable electronics and analog applications. It offers a wide 4:1 input voltage range from 6V to 24V, making it suitable for a wide range of application environments. Its output voltage accuracy is ±2%, ensuring a steady, dependable power supply. Additionally, it provides ultra-low ripple with a value of only 10mVp-p, enabling its most sensitive loads like analog circuits to work flawlessly.

The R1DA-3.30505 operates by converting input power into output power of the desired voltage. When the input voltage is higher than the output voltage, the circuit rectifies and smoothes the input voltage before it passes through a filter. The filtered voltage is then sent to a switch, normally a MOSFET, which is controlled by a switch control circuit. The switch control circuit constantly monitors the load and input voltage, and it adjusts the switch frequency to keep the output voltage steady.

The R1DA-3.30505 operates in a continuous conduction mode (CCM), which is the most efficient topology at converting the input voltage to output voltage. This mode of operation is known as peak current skimming, which allows the converter to regulate power. In CCM, the inductor current of the converter is on at all times during the power conversion cycle. This leads to higher power efficiency than available in other converters.

The R1DA-3.30505 also offers excellent EMI performance. Its ultra-low ripple is filtered by high-frequency response components, which eliminate unwanted noise and absorb any EMI-induced noise at a frequency of up to 200MHz. Additionally, its isolated-package construction further reduces unwanted noise by providing electrostatic shielding between the driver and output stages. All these features help reduce electromagnetic interference, giving users a noise-free operation.

The R1DA-3.30505\'s integrated current sharing circuits allow multiple converters to be connected in parallel in order to increase the output power when needed. This feature ensures that each power module receives the same voltage, current and temperature even when the load is dynamically changing. Thus, power system designers can easily increase the current to share the load current among parallel “cascaded” modules.

In summary, the R1DA-3.30505 is a high-performance DC DC converter from Samlex America. It provides a wide input voltage range and output voltage accuracy, reduced noise, improved efficiency and current sharing, making it an ideal choice for industrial, medical and automotive applications. Its high-frequency response components reduce EMI substantially, enabling superb noise-free performance for sensitive loads.

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