Part Number | FARM2C23 |

Manufacturer | Vicor Corporation |

Description | Power-Up Sequence. (see Fig. 8): 1.1 Upon application of input power, the output bus capacitors begin to charge. The thermistor limits the charge current, and the exponential time constant is determined by the hold-up capacitor value and the thermistor cold resistance. The slope (dv/dt) of the capac... |

Features |
• • • • • • • • • EMI filtering Choice of 500W or 750W modules 96% Efficiency Autoranging 115/230Vac input Microprocessor controlled Inrush current limiting Mini sized package Power fail signal Module enable Data Sheet FARM TM Filter/ Autoranging Rectifier Module Up to 1000 Watts Shown actual size: 2.28 x 2.2 x 0.5 in 57,9 x 55,9 x 12,7 mm Product Highlights The FARM (Filter/Autoranging Rectifier Module) is an AC front-end module which provides EMI filtering, autoranging line rectification and inrush current limiting. The FARM is available in either 500/750W or 750/1000W models in a mini... |

Document | FARM2C23 datasheet pdf (314.48KB) |

Part Number | Description |
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Vicor Corporation |
FARM Filter/ Autoranging Rectifier ModulePower-Up Sequence. (see Fig. 8): 1.1 Upon application of input power, the output bus capacitors begin to charge. The thermistor limits the charge current, and the exponential time constant is determined by the hold-up capacitor value and the thermistor cold resistance. The slope (dv/dt) of the capacitor voltage versus time approaches zero as the capacitors become charged to the peak of the AC line voltage. The switch that bypasses the inrush limiting PTC (positive temperature coefficient) thermistor is open when power is applied, as is the switch that engages the strap for voltage doubling. (see Fig. 7). In addition, the converter modules are disabled via the Enable (EN) line, and Bus-OK (BO... |

Vicor Corporation |
FARM Filter/ Autoranging Rectifier ModulePower-Up Sequence. (see Fig. 8): 1.1 Upon application of input power, the output bus capacitors begin to charge. The thermistor limits the charge current, and the exponential time constant is determined by the hold-up capacitor value and the thermistor cold resistance. The slope (dv/dt) of the capacitor voltage versus time approaches zero as the capacitors become charged to the peak of the AC line voltage. The switch that bypasses the inrush limiting PTC (positive temperature coefficient) thermistor is open when power is applied, as is the switch that engages the strap for voltage doubling. (see Fig. 7). In addition, the converter modules are disabled via the Enable (EN) line, and Bus-OK (BO... |

Vicor Corporation |
FARM Filter/ Autoranging Rectifier ModulePower-Up Sequence. (see Fig. 8): 1.1 Upon application of input power, the output bus capacitors begin to charge. The thermistor limits the charge current, and the exponential time constant is determined by the hold-up capacitor value and the thermistor cold resistance. The slope (dv/dt) of the capacitor voltage versus time approaches zero as the capacitors become charged to the peak of the AC line voltage. The switch that bypasses the inrush limiting PTC (positive temperature coefficient) thermistor is open when power is applied, as is the switch that engages the strap for voltage doubling. (see Fig. 7). In addition, the converter modules are disabled via the Enable (EN) line, and Bus-OK (BO... |

Vicor Corporation |
FARM Filter/ Autoranging Rectifier ModulePower-Up Sequence. (see Fig. 8): 1.1 Upon application of input power, the output bus capacitors begin to charge. The thermistor limits the charge current, and the exponential time constant is determined by the hold-up capacitor value and the thermistor cold resistance. The slope (dv/dt) of the capacitor voltage versus time approaches zero as the capacitors become charged to the peak of the AC line voltage. The switch that bypasses the inrush limiting PTC (positive temperature coefficient) thermistor is open when power is applied, as is the switch that engages the strap for voltage doubling. (see Fig. 7). In addition, the converter modules are disabled via the Enable (EN) line, and Bus-OK (BO... |

Vicor Corporation |
FARM Filter/ Autoranging Rectifier ModulePower-Up Sequence. (see Fig. 8): 1.1 Upon application of input power, the output bus capacitors begin to charge. The thermistor limits the charge current, and the exponential time constant is determined by the hold-up capacitor value and the thermistor cold resistance. The slope (dv/dt) of the capacitor voltage versus time approaches zero as the capacitors become charged to the peak of the AC line voltage. The switch that bypasses the inrush limiting PTC (positive temperature coefficient) thermistor is open when power is applied, as is the switch that engages the strap for voltage doubling. (see Fig. 7). In addition, the converter modules are disabled via the Enable (EN) line, and Bus-OK (BO... |

Vicor Corporation |
FARM Filter/ Autoranging Rectifier ModulePower-Up Sequence. (see Fig. 8): 1.1 Upon application of input power, the output bus capacitors begin to charge. The thermistor limits the charge current, and the exponential time constant is determined by the hold-up capacitor value and the thermistor cold resistance. The slope (dv/dt) of the capacitor voltage versus time approaches zero as the capacitors become charged to the peak of the AC line voltage. The switch that bypasses the inrush limiting PTC (positive temperature coefficient) thermistor is open when power is applied, as is the switch that engages the strap for voltage doubling. (see Fig. 7). In addition, the converter modules are disabled via the Enable (EN) line, and Bus-OK (BO... |

Vicor Corporation |
FARM Filter/ Autoranging Rectifier ModulePower-Up Sequence. (see Fig. 8): 1.1 Upon application of input power, the output bus capacitors begin to charge. The thermistor limits the charge current, and the exponential time constant is determined by the hold-up capacitor value and the thermistor cold resistance. The slope (dv/dt) of the capacitor voltage versus time approaches zero as the capacitors become charged to the peak of the AC line voltage. The switch that bypasses the inrush limiting PTC (positive temperature coefficient) thermistor is open when power is applied, as is the switch that engages the strap for voltage doubling. (see Fig. 7). In addition, the converter modules are disabled via the Enable (EN) line, and Bus-OK (BO... |

Vicor Corporation |
FARM Filter/ Autoranging Rectifier ModulePower-Up Sequence. (see Fig. 8): 1.1 Upon application of input power, the output bus capacitors begin to charge. The thermistor limits the charge current, and the exponential time constant is determined by the hold-up capacitor value and the thermistor cold resistance. The slope (dv/dt) of the capacitor voltage versus time approaches zero as the capacitors become charged to the peak of the AC line voltage. The switch that bypasses the inrush limiting PTC (positive temperature coefficient) thermistor is open when power is applied, as is the switch that engages the strap for voltage doubling. (see Fig. 7). In addition, the converter modules are disabled via the Enable (EN) line, and Bus-OK (BO... |

Vicor Corporation |
FARM Filter/ Autoranging Rectifier ModulePower-Up Sequence. (see Fig. 8): 1.1 Upon application of input power, the output bus capacitors begin to charge. The thermistor limits the charge current, and the exponential time constant is determined by the hold-up capacitor value and the thermistor cold resistance. The slope (dv/dt) of the capacitor voltage versus time approaches zero as the capacitors become charged to the peak of the AC line voltage. The switch that bypasses the inrush limiting PTC (positive temperature coefficient) thermistor is open when power is applied, as is the switch that engages the strap for voltage doubling. (see Fig. 7). In addition, the converter modules are disabled via the Enable (EN) line, and Bus-OK (BO... |

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