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XRSB-50T03C Datasheet(PDF) 2 Page - Bel Fuse Inc. |
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XRSB-50T03C Datasheet(HTML) 2 Page - Bel Fuse Inc. |
2 / 15 page Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 2 ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input, 3.3 Vdc/15 A Output Jul. 09, 2010 Bel Power Inc., a subsidiary of Bel Fuse Inc. Absolute Maximum Ratings Parameter Min Typ Max Unit Notes Continuous non-operating Input Voltage -0.3 - 80 V Input Transient Voltage - - 100 V 100mS maximum Remote On/Off -0.3 - 18 V I/O Isolation Voltage - - 1500 V Ambient Temperature -40 - 85 °C Storage Temperature -55 - 125 °C Note: Ratings used beyond the maximum ratings may cause a reliability degradation of the converter or may permanently damage the device. Input Specifications Parameter Min Typ Max Unit Notes Operating Input Voltage 36 48 75 V Input Current (full load) - - 2 A Input Current (no load) - 70 120 mA Remote Off Input Current - 1 3 mA Input Reflected Ripple Current (rms) - 3 7 mA Input Reflected Ripple Current (pk-pk) - 20 50 mA With simulated source impedance of 10uH, 5Hz to 20MHz; use a 100uF/100V electrolytic capacitor with ESR=1 ohm max, at 200 kHz. I 2t Inrush Current Transient - - 0.02 A 2s Turn-on Voltage Threshold - 32 35 V Turn-off Voltage Threshold 30 31 - V CAUTION: This converter is not internally fused. An input line fuse must be used in application. Recommend a fast-acting fuse with maximum rating of 5A on system board. Refer to the fuse manufacture’s datasheet for further information. Notes: 1. This converter has internal L-C (1.0uH-1.0uF) filter. 2. All specifications are typical at 25 °C unless otherwise stated. Output Specifications Parameter Min Typ Max Unit Notes Output Voltage Set Point 3.25 3.30 3.35 V Vin=48 V, Io=50%Load Load Regulation - ±4 ±9 mV Line Regulation - ±3 ±8 mV Regulation Over Temperature (-40deg.C-85deg.C) - ±9 ±16 mV Ripple and Noise (pk-pk) - 55 90 mV Ripple and Noise (rms) - 12 25 mV 0-20MHz BW, with a 1µF ceramic capacitor and the minimum external cap at output Output Ripple and Noise(Pk-Pk) under worst case - - 100 mV over all operating input voltage, load and ambient temperature |
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