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SRAH-01FX2N Datasheet(PDF) 1 Page - Bel Fuse Inc. |
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SRAH-01FX2N Datasheet(HTML) 1 Page - Bel Fuse Inc. |
1 / 7 page Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input, -5 Vdc/1 A, -5.2 Vdc/1 A, -12 Vdc/0.5 A Outputs • Non-Isolated • Low Cost • Fixed Frequency • Excellent Thermal Performance • High Efficiency • High Power Density • UL60950-1 Recognized (UL/cUL) • OCP/SCP • Industrial Temperature Range Description The Bel xRAH-01FxxN modules are non-isolated; step down dc/dc converters that operate from a 3 V - 5.5 V source. Output voltages are -5.0 V, -5.2 V, and -12 V. They are packaged in a compact, overmolded package rated at 1 A, 1 A, 0.5 A. Optional lead forming provides a vertical mount product for minimal footprint or a surface mount option for a very low profile. The output is closely regulated and the efficiency is typically 88% at 1 A, -5 V output at full load. Part Selection Output Voltage Input Voltage Max. Output Current Max. Output Power Typical Efficiency Part Number Surface Mount Part Number Vertical Mount -5.0 V 3.0 V - 5.5 V 1 A 5 W 88% SRAH-01F50N VRAH-01F50N -5.2 V 3.0 V - 5.5 V 1 A 5.2 W 88% SRAH-01F52N VRAH-01F52N -12 V 3.0 V - 5.5 V 0.5 A 6 W 88% SRAH-01FX2N VRAH-01FX2N Notes: 1. Add “0” suffix at the end of the model number to indicate “Tube Packaging”, and “R” for “Reel Packaging”, and “G” for “Tray Packaging”. 2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. Absolute Maximum Ratings Parameter Min Typ Max Notes Input Voltage (continuous) -0.3 V - 7 V Ambient Temperature -40 °C - 85 °C Storage Temperature -40 °C - 125 °C Input Specifications Parameter Min Typ Max Notes Input Voltage 3 V - 5.5 V Input Current (full load) VO= -5.0 V, -5.2 V VO= -12 V - - - - 2.1 A 2.5 A Input Current (no load) VO= -5.0 V, -5.2 V VO= -12 V - - - - 150 mA 200 mA Input Reflected Ripple Current (pk-pk) - 80 mA 160 mA Input Reflected Ripple Current (rms) - 20 mA 50 mA For -5 V & -5.2 V output, use a 680uF/6.3 V Os-con capacitor; For -12 V output, use 1000 uF electrolytic capacitor & 22 uF/10 V ceramic capacitor at the input. I 2t Inrush Current Transient - - 0.01 A 2s Turn-on Voltage Threshold - 2.63 V - Turn-off Voltage Threshold VO= -5.0 V, -5.2 V VO= -12 V 0.4 V 1.0 V - - 2.0 V 2.3 V xRAH-01FxxN Series RoHS Compliant Rev.A |
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