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NFS25 数据表(PDF) 2 Page - Artesyn Technologies |
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NFS25 数据表(HTML) 2 Page - Artesyn Technologies |
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2 / 3 page  For the most current data and application support visit www.artesyn.com/powergroup/products.htm Notes 1 Natural convection cooling. 2 Peak output current lasting less than 60 seconds with duty cycle less than 5%. During peak loading, outputs may go outside of total regulation limits. Total peak power output is 35 Watts. 3 Figure is peak-to-peak. Output noise measurements are made across a 50MHz bandwidth using a 12 inch twisted pair, terminated with a 47µF capacitor. 4 Total regulation is defined as the static output regulation at 25°C, including initial tolerance, line voltage within stated limits, load currents within stated limits and output voltages adjusted to their factory settings. Also, 0.5 ≤ I A / IB ≤ 3 to maintain stated regulation. This does not apply to the NFS25- 7628. 5 The NFS25-7628 has separately regulated +12V and -12V outputs. The loading condition in note 4 does not apply. 6 Derate linearly from 25 Watts at 50oC to 12.5 Watts at 70oC. 7 Derating curve is application specific for ambient temperatures > 50°C, for optimum reliability no part of the heatsink should exceed 120oC and no semiconductor case temperature should exceed 125oC. 8 Caution: Allow a minimum of 1 second after disconnecting the power before making thermal measurements. 9 A 4 Watt minimum load is required to achieve design MTBF. 10 This product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product. NFS25 Series Dual and triple output LOW TO MEDIUM POWER AC/DC POWER SUPPLIES 25W AC/DC Universal Input Switch Mode Power Supplies 2 www.artesyn.com File Name: NFS25.PDF Rev: 01 Jan 2000 AC mating connector Molex 09-50-3031 or equivalent with Molex 08-50-0105 crimp terminals or equivalent DC mating connector Molex 09-91-0600 or equivalent with Molex 08-50-0164 crimp terminals or equivalent OUTPUT OUTPUT CURRENTS RIPPLE (3) TOTAL MODEL NUMBER (D) VOLTAGE MIN (9) MAX (1) PEAK (2) REGULATION (4) +5.1V (IA) 0A 2.0A 5.0A 50mV ±2.0% NFS25-7608 (4) +12.0V (IB) 0A 1.5A 3.0A 120mV ±5.0% –12.0V 0A 0.2A 1.0A 120mV ±5.0% +5.1V 0A 3.0A 5.0A 50mV ±2.0% NFS25-7628 (5) +12.0V 0A 0.2A 1.0A 120mV ±2.0% –12.0V 0A 0.2A 1.0A 120mV ±2.0% +5.1V (IA) 0A 2.0A 5.0A 50mV ±2.0% NFS25-7629 (4) +12.0V (IB) 0A 1.5A 3.0A 120mV ±5.0% PIN CONNECTIONS J1 -7608 -7628 -7629 Pin 1 AC Line AC Line AC Line Pin 2 AC Neutral AC Neutral AC Neutral J2 Pin 1 +12V +12V +12V Pin 2 +5.1V +5.1V +5.1V Pin 3 +5.1V +5.1V +5.1V Pin 4 Return Return Return Pin 5 Return Return Return Pin 6 –12V –12V N/C P1 Pin 1 Safety Ground 12.5W 25W 0 °C 10°C 20°C 30°C 40°C 50°C 60°C 70°C DERATING CURVE (See Notes 6, 7, 8, 9) Output Power (Watts) NATURAL CONVECTION COOLING 0W 35W 4W MIN. LOAD REQUIRED TO ACHIEVE DESIGN MTBF 4W PEAK POWER, 60 SECONDS |
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