Compact front-end power supply.(Power Sources & Conditioning Devices)

ECN-Electronic Component News, September, 2004

Power-One, Inc. has introduced its FNP300 Series of AC/DC front-end power supplies. These full-featured 300W power supplies feature a compact footprint, built-in microcontroller and wide-range input operation (85V AC to 264V AC) with the capability to ride through short pulses up to 300V AC. FNP300 models are offered with 12V DC, 24V DC or 48V DC outputs rated at 25A, 12.5A and 6.25A, respectively. All models also provide a 12V at 0.7A standby output for powering serial communication interfaces and small fans. The onboard microcontroller facilitates I2C-compatible bi-directional communications with the host system including power fail, output good, thermal shutdown and inhibit. In addition, the microcontroller controls the fan speed to increase MTBF and reduce acoustic...

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