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 xRAH-01FxxN Series RoHS Compliant Rev.A • Non-Isolated • Low Cost • Fixed Frequency • Excellent Thermal Performance • High Efficiency • OCP/SCP • High Power Density • Industrial Temperature Range • UL60950-1 Recognized (UL/cUL) 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 -5.0 V -5.2 V -12 V Input Voltage 3.0 V - 5.5 V 3.0 V - 5.5 V 3.0 V - 5.5 V Max. Output Current 1A 1A 0.5 A Max. Output Power 5W 5.2 W 6W Typical Efficiency 88% 88% 88% Part Number Surface Mount SRAH-01F50N SRAH-01F52N SRAH-01FX2N Part Number Vertical Mount VRAH-01F50N VRAH-01F52N 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 Input Voltage (continuous) Ambient Temperature Storage Temperature Min -0.3 V -40 °C -40 °C Typ - Max 7V 85 °C 125 °C Notes Input Specifications Parameter Input Voltage Input Current (full load) VO= -5.0 V, -5.2 V VO= -12 V Input Current (no load) VO= -5.0 V, -5.2 V VO= -12 V Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (rms) Min 3V Typ - Max 5.5 V - - 2.1 A 2.5 A - - 150 mA 200 mA - 80 mA 160 mA - 20 mA 50 mA I t Inrush Current Transient - - 0.01 A s Turn-on Voltage Threshold Turn-off Voltage Threshold VO= -5.0 V, -5.2 V VO= -12 V - 2.63 V - 0.4 V 1.0 V - 2.0 V 2.3 V 2 Notes 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. 2 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 Output Specifications Parameter Min Typ Max VO= -5.0 V VO= -5.2 V VO= -12 V -5.1 V -5.304 V -12.24 V -5.0 V -5.2 V -12 V -4.90 V -5.096 V -11.76 V VO= -5.0 V, -5.2 V VO= -12 V -20 mV -120 mV - 20 mV 120 mV VO= -5.0 V, -5.2 V VO= -12 V Regulation Over Temperature (-40 °C to +85 °C) VO= -5.0 V, -5.2 V VO= -12 V Ripple and Noise (rms) VO= -5.0 V Vo= -5.2 V VO= -12 V -60 mV -120 mV - 60 mV 120 mV -80 mV -240 mV - 80 mV 240 mV - 25 mV 25 mV 40 mV 40 mV 50 mV 70 mV - 90 mV 100 mV 120 mV 120 mV 130 mV 240 mV 0A 0A - 1A 0.5 A Output DC Current Limit - 200% - Short Circuit Surge Transient - - 0.01 A s Turn on Time - 10 mS 30 mS Overshoot at Turn on Output Capacitance VO= -5.0 V, -5.2 V VO= -12 V - 0% 3% 220 uF 100 uF - 470 uF 150 uF Notes Vin=5.0 V, lout=half load; with 220 uF/10 V tantalum capacitor & 0.1 uF ceramic capacitor (Vo= -5 V & -5.2 V) or two 47 uF/25 V tantalum capacitors & 0.1uF ceramic capacitor (Vo= -12 V). Output Voltage Set Point Line Regulation Load Regulation Test conditions: BW = 0-20 MHz; with 220 uF/10V tantalum capacitor & 0.1 uF ceramic capacitor (Vo= 5 V & -5.2 V) or two 47 uF/25 V tantalum capacitors & 0.1 uF ceramic capacitor (Vo=12 V). Ripple and Noise (pk-pk) VO= -5.0 V Vo= -5.2 V VO= -12 V Output Current Range VO= -5.0 V, -5.2 V VO= -12 V 2 Transient Response 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load Overshoot Settling Time Overshoot Vo= -5.0 V, -5.2 V 80 mV - - 40 uS - - 80 mV - Settling Time - 40 uS - Overshoot - 130 mV - - 50 uS - Overshoot - 130 mV - Settling Time - 50 uS - Settling Time VO= -12 V Test Conditions: di/dt = 0.1 A/uS; Vin = 5.0 V; Ta = 25°C and with 220 uF/10 V Tantalum capacitor & 0.1 uF ceramic capacitor (Vo= -5 V & -5.2 V) or two 47 uF/25 V tantalum capacitors & 0.1 uF ceramic capacitor (Vo=-12 V). Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated. 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 General Specifications Parameter Efficiency Switching Frequency Min 84% Typ 88% Max - 250 kHz 300 kHz 350 kHz MTBF Calculated Per Bell Core SR-332 (IO = 80%lomax; Ta = 25 °C) 4,883,163 hours Dimensions (surface mount) Inches (L × W × H) Millimeters (L × W × H) Dimensions (vertical) Inches (L × W × H) Millimeters (L × W × H) Weight - Notes Vin=5 V; lo=lomax 0.78 x 0.7 x 0.32 19.82 x 17.78 x 8.13 SRAH-01FxxN 0.7 x 0.308 x 0.65 17.78 x 7.82 x 16.51 4.9 g VRAH-01FxxN - Note: All specifications are typical at 25 °C unless otherwise stated. Thermal Derating Curve xRAH-01F50N Efficiency Data MODULE -12V EFFICIENCY 95.0% 85.0% 3.3 5 5.5 75.0% 65.0% 55.0% 0.10 0.25 0.50 0.75 OUTPUT CURRENT 1.00 EFFICIENCY MODULE -5V,-5.2V 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 0.050 3.3V 5V 5.5V 0.125 0.250 0.375 0.500 OUTPUT CURRENT 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 Ripple and Noise Waveforms 3.3 V input, -5 V output 5 V input, -5 V output Note: Ripple and noise at full load, with a 220 uF/10 V tantalum capacitor and a 0.1uF ceramic capacitor at the output, Ta=25 deg C. 3.3 V input, -12 V output 5 V input, -12 V output Note: Ripple and noise at full load, with a 2*47uF/25 V tantalum capacitor and a 0.1uF ceramic capacitor at the output, Ta=25 deg C. 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 Transient Response Waveforms 50% to 100% load Transient at Vin=3.3 V, Vo=-5 V 50% to 100% load Transient at Vin=5 V, Vo=-5 V 100% to 50% load Transient at Vin=3.3 V, Vo=-5 V 100% to 50% load Transient at Vin=5 V, Vo=-5 V Note: Transient Response at di/dt=0.1 A/uS, with a 220 uF/10 V tantalum capacitor and a 0.1uF ceramic capacitor at the output, Ta=25 deg C. 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 Transient Response Waveforms (continued) 50% to 100% load Transient at Vin=3.3 V, Vo=-12 V 100% to 50% load Transient at Vin=3.3 V, Vo=-12 V 50% to 100% load Transient at Vin=5 V, Vo=-12 V 100% to 50% load Transient at Vin=5 V, Vo=-12 V Note: Transient Response at di/dt=0.1 A/uS, with a 2*47uF/25Vtantalum capacitor and a 0.1uF ceramic capacitor at the output, Ta=25 deg C. 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 utputs Mechanical Outline SRAH-01FxxN Pin Connections Pin Function 1 2 3 4 5 6 7 N/A Vin Ground Vout N/A N/A N/A Pin Connections VRAH-01FxxN Pin Function 1 N/A 2 Vin 3 Ground 4 Vout 5 N/A RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. These parts are not however compatible with the higher temperatures associated with lead free solder processes and must be soldered using a reflow profile with a peak temperature of no more than 240 ºC. ©2007 Bel Fuse Inc. Specifications subject to change without notice.011007 CORPORATE FAR EAST EUROPE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com Bel Fuse Ltd. 8F/ 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com