ROHM Semiconductor – Switching regulator includes 650V MOSFET

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The BM2Pxx1 series of switching AC-DC regulators from ROHM Semiconductor operates from an input-voltage range of 8.9V to 26V.

The four devices in the series – the BM2P011, BM2P031, BM2P051 and BM2P091 – all include an on-chip 650V MOSFET. The parts have a switching frequency of 65kHz.

At light loads, the switching frequency is reduced for improved efficiency. The converters also implement frequency hopping to reduce EMI.

• Current-mode control
• Soft start
• Under-voltage, over-voltage and short-circuit protection

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