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Introduction
The Kepco FAW 15 Watt Series low profile high frequency switching power supplies employ flyback conversion and operate with a 70% efficiency with either a-c or d-c input. A thermistor soft-start circuit limits start-up surge. Surface mount technology permits efficient component layout for minimum mounting space. Four models may be selected for outputs of 5, 12, 15 or 24V. “POWER OK” logic and a green “POWER OK” light are provided. A steel cover (Model CA 24) is available as an option. Output voltage may be adjusted with a trimmer accessible near the input-output terminal strip. When the input is cut off, the output is maintained for 15 milliseconds minimum. EMI filtering meets FCC Class B rating and VDE 0871 Class B rating.
Features
a-c input 85-264V; d-c input 105-370V.
Adjustable voltage: Internal trimmer.
Built-in EMI filter: Attenuates the conducted noise below the requirements of both FCC and VDE 0871 for Class B computing devices. Optional perforated metal covers attenuate radiated noise and provide
Connections: Input and output screw terminal barrier strip.
Holding time: Output is sustained by internally stored energy for 20ms typical, 15ms minimum.
Operating frequency: 120-130KHz.
Power OK LED: Green.
Power OK logic: Open collector.
Remote error sensing: The 50, 100 and 150W FAW provide separate remote error sense terminals: 0.25V drop/wire.
Safety: FAW are recognized by UL 1950, certified by CSA 1402C and approved by TÜV Rheinland to EN60950.