SRAH-03H500R

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DC DC Converters

The SRAH-03H500R industrial-grade high frequency DC/DC converter is a high-performance, cost-effective product that can meet the needs of various system voltages and power levels. It is widely used in communication, power supply, industrial control, aviation, new energy and other industries.

The SRAH-03H500R is a true isolation converter composed of a high-efficiency PWM control circuit, a primary side power supply circuit, an SMD transformer, an optocoupler, an error amplifier, and an overcurrent protection circuit.

The SRAH-03H500R utilizes a synchronous rectification technology (SRT) design. It features a zero-voltage transition (ZVT) of the SRM that decreases acoustic noise and has a higher efficiency. The output power of the converter can reach 500W with efficiency up to 95%. The device provides 1~3V output and 3~5V output. It works in a wide input voltage range from 18~75V, 66~160V and 130~400V.

The device also supports an OTP function. With the external OTP input, the converter can be programmed for a fixed output voltage, considered a fixed ratio of the input voltage VIN. This feature allows it to eliminate the complicated multi-step adjustment for the output voltage.

The converter also offers various protections, such as, over-current protection (OCP), short circuit protection (SCP), automatic input voltage reduction protection, over-temperature protection (OTP), remote Enable/Disable, external synchronization (ENO), and much more.

The SRAH-03H500R converter has low standby power consumption and wide operating temperature range from -40~+85 ℃. The device meets the safety standards of UL/EN/IEC 62368-1 and EN55032. The high-level MTBF (Mean Time Between Failure) exceeds 3 million hours.

In conclusion, the SRAH-03H500R high frequency DC/DC converters offer a high level of performance, along with various protection features, high reliability, wide operating temperature range and low standby power consumption. It is an ideal choice for many applications in communication, power supply, industrial control, aviation, and new energy industries.

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