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IRH-W80 – Bus / Hold-Up Pin Image of Murata Power Solutions' IRH-W80 Interruptions of Voltage Supply Classes

The EN50155 standard includes hold-up requirements. The bus pin is designed to work with an external circuit that includes a hold cap, a resistor, and a diode. The hold-up function provides energy to maintain the DC/DC operation for 10 ms, 20 ms, or 30 ms.

PTM Published on: 2021-04-20