NON-ISOLATED DC/DC CONVERTERS 7.0 Vdc - 13.2 Vdc Input xRAH-05Exx0 1.2 Vdc - 3.3 Vdc/5 A Output RoHS Compliant Rev.A • Non-Isolated • Remote On/Off • High Efficiency • Under-Voltage Lockout • High Power Density • OCP/SCP • Fixed Frequency (280 kHz) • Low Profile Package (7.82 mm) • Trim Function • UL60950-1 Recognized (UL/cUL) Description The Bel xRAH-05Exx0 is part of the low cost non-isolated dc/dc converter Power Module series. The modules use a SMD or SIP package for ease of layout and space savings. The output is closely regulated and the efficiency of 3.3 Vdc output module is typically 91% at full load. Part Selection Output Voltage 3.3 V Input Voltage 7.0 V - 13.2 V Max. Output Current 5A Max. Output Power 16.5 W Typical Efficiency 91% Part Number Surface Mount SRAH-05E330 Part Number Vertical Mount VRAH-05E330 2.5 V 7.0 V - 13.2 V 5A 12.5 W 89% SRAH-05E250 VRAH-05E250 1.8 V 7.0 V - 13.2 V 5A 9W 87% SRAH-05E180 VRAH-05E180 1.5 V 7.0 V - 13.2 V 5A 7.5 W 85% SRAH-05E150 VRAH-05E150 1.2 V 7.0 V - 13.2 V 5A 6W 83% SRAH-05E120 VRAH-05E120 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) Output Enable Terminal Voltage Ambient Temperature Storage Temperature Min -0.3 V -0.3 V -40 °C -40 °C Typ - Max 14 V 14 V 85 °C 125 °C Notes Min 7V - Typ 70 mA 3 mA Max 13.2 V 100 mA 2.8 A - Notes Input Reflected Ripple Current (pk-pk) - 120 mA 240 mA Input Reflected Ripple Current (rms) - 50 mA 100 mA I t Inrush Current Transient - 0.04 A s 2 0.1 A s Turn on Voltage Threshold Turn off Voltage Threshold 3.2 V 5V 3.8 V 6V - Input Specifications Parameter Input Voltage Input Current (no load) Input Current (full load) Remote Off Input Current 2 With simulated source impedance of 500 nH, 5 Hz to 20 MHz. Use one 270 uF/ 16 V OSCON capacitor with ESR=0.018 ohm max, at 100kHz at the input 2 Note: All specifications are typical 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 7.0 Vdc - 13.2 Vdc Input 1.2 Vdc - 3.3 Vdc/5 A Output Output Specifications Parameter Output Voltage Set Point Min Typ Max VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V 3.200 V 2.425 V 1.745 V 1.455 V 1.164 V 3.3 V 2.5 V 1.8 V 1.5 V 1.2 V 3.400 V 2.575 V 1.855 V 1.545 V 1.236 V VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V - ±15 mV ±15 mV ±5 mV ±5 mV ±5 mV ±30 mV ±30 mV ±10 mV ±10 mV ±10 mV VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V - ±10 mV ±10 mV ±5 mV ±5 mV ±5 mV ±20 mV ±20 mV ±10 mV ±10 mV ±10 mV - ±20 mV ±40 mV 0A - 5A 6.5 A - Notes Test conditions: Io=50% full load. Line Regulation Load Regulation Regulation Over Temperature (-40 °C to +85 °C) Output Current Range Output DC Current Limit 12.5 A 2 2 Short Circuit Surge Transient - 0.04 A s 0.1 A s Ripple and Noise (rms) - 20 mV 50 mV Ripple and Noise (pk-pk) - 60 mV 100 mV Turn on Time - - 60 mS Overshoot at Turn on Output Capacitance Transient Response Overshoot 50% ~ 100% Max Load Settling Time Overshoot 100% ~ 50% Max Load Settling Time Overshoot 50% ~ 100% Max Load Settling Time Overshoot 100% ~ 50% Max Load Settling Time - - 5% 330 uF - 2200 uF - 3.3 V 1.2 V-2.5 V 120 mV 60 uS 120 mV 60 uS 120 mV 60 uS 120 mV 60 uS 150 mV 120 uS 150 mV 120 uS 150 mV 110 uS 150 mV 110 uS 0-20 MHz BW, with 330u F tantalum cap and 10 uF ceramic cap at output. Test conditions: di/dt=0.5 A/us, Vin=10 Vdc, with 330 uF tantalum cap and 10 uF ceramic cap at output. Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated. Control Specifications Parameter Remote On/Off Min Typ Max Signal Low (Unit Off) -0.3 V - 1.2 V Signal High (Unit On) 3V - 14 V Notes Remote on/off pin open, Unit On 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 7.0 Vdc - 13.2 Vdc Input 1.2 Vdc - 3.3 Vdc/5 A Output General Specifications Parameter Min Typ Max 88% 86% 84% 82% 80% 91% 89% 87% 85% 83% - 200 kHz 280 kHz 360 kHz 90% - 110% Notes Efficiency VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V Switching Frequency Output Voltage Trim Range MTBF Calculated Per Bell Core SR-332 (Vin=10 V; Vo=3.3 V; IO =5 A; Ta = 25 °C) TBD Dimensions (surface mount) Inches (L × W × H) Millimeters (L × W × H) Dimensions (vertical) Inches (L × W × H) Millimeters (L × W × H) Vin=10 V, full load. 0.78 x 0.7 x 0.32 19.81 x 17.78 x 8.13 0.7 x 0.308 x 0.65 17.78 x 7.82 x 16.51 Weight - 5g - Output Trim Equations Equations for calculating the trim resistor given the desired adjusted voltage (Vadj) and the nominal output voltage of the converter (Vo) are shown below. The Trim Up resistor should be connected between the Trim pin and Ground. Only one of the resistors should be used for any given application. Vout A Rtrim _ up = ( − B ) Kohm Vo, adj − Vo Module Trim Rtrim-up GND Rtrim _ down = ( C − D ) Kohm Vo − Vo, adj Vout Rtrim-down Module Output Voltage A B C D 3.3 V 2.5 V 1.8 V 1.5 V 1.2 V 17.2 4.496 3.064 3.712 3.712 40.2 5.62 10 5.62 5.62 53.841 9.556 3.849 3.254 1.87 61.7 11.24 13.83 10.26 10.26 Trim GND Note: Vo=3.304 V for 3.3 V output voltage; Vo=1.805 V for 1.8 V output voltage; Vo=1.501 V for 1.5 V output voltage; Vo=1.203 V for 1.2 V output voltage. 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 7.0 Vdc - 13.2 Vdc Input 1.2 Vdc - 3.3 Vdc/5 A Output Efficiency Data Efficiency Curve Efficiency Curve 100.0% 100.0% 80.0% Efficiency Efficiency 80.0% 7V 10 V 13.2 V 60.0% 40.0% 20.0% 40.0% 20.0% 0.0% 0.50 7V 10 V 13.2 V 60.0% 0.0% 1.25 2.50 3.75 5.00 0.50 1.25 Output Current (A) Vo=3.3 V 5.00 Efficiency Curve 100.0% 80.0% 80.0% Efficiency 100.0% 7V 10 V 13.2 V 60.0% 40.0% 20.0% 7V 10 V 13.2 V 60.0% 40.0% 20.0% 0.0% 0.0% 1.25 2.50 3.75 0.50 5.00 1.25 2.50 3.75 5.00 Output Current (A) Output Current (A) Vo=1.8 V Vo=1.5 V Efficiency Curve 100.0% 80.0% Efficiency Efficiency 3.75 Vo=2.5 V Efficiency Curve 0.50 2.50 Output Current (A) 7V 10 V 13.2 V 60.0% 40.0% 20.0% 0.0% 0.50 1.25 2.50 3.75 5.00 Output Current (A) Vo=1.2 V 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 7.0 Vdc - 13.2 Vdc Input 1.2 Vdc - 3.3 Vdc/5 A Output Thermal Derating Curves Vo=3.3 V Vo=1.8 V 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 7.0 Vdc - 13.2 Vdc Input 1.2 Vdc - 3.3 Vdc/5 A Output Ripple and Noise Waveforms 10 Vdc input, 3.3 Vdc output 10 Vdc input, 2.5 Vdc output 10 Vdc input, 1.8 Vdc output 10 Vdc input, 1.5 Vdc output 10 Vdc input 1.2 Vdc output Note: Ripple and noise at max load, 0-20MHz BW, with 330 uF tantalum cap and 10 uF ceramic cap 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 7.0 Vdc - 13.2 Vdc Input 1.2 Vdc - 3.3 Vdc/5 A Output Transient Response Waveforms 50% to 100% load, 3.3 Vdc output 100% to 50% load, 3.3 Vdc output 50% to 100% load, 2.5 Vdc output 100% to 50% load, 2.5 Vdc output 50% to 100% load, 1.8 Vdc output 100% to 50% load, 1.8 Vdc output 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 7.0 Vdc - 13.2 Vdc Input 1.2 Vdc - 3.3 Vdc/5 A Output Transient Response Waveforms (continued) 50% to 100% load, 1.5 Vdc output 100% to 50% load, 1.5 Vdc output 50% to 100% load, 1.2 Vdc output 100% to 50% load, 1.2 Vdc output Note: Transient Response at 10 Vdc input, di/dt=0.5 A/uS, with 330 uF tantalum cap and 10 uF ceramic cap 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 7.0 Vdc - 13.2 Vdc Input 1.2 Vdc - 3.3 Vdc/5 A Output Mechanical Outline SRAH-05Exx0 Pin Connections bel VRAH-05Exx0 Pin 1 2 3 4 5 6 7 Function Remote On/Off Vin Ground Vout Trim N/A N/A Pin Connections bel bel Pin Function 1 Remote On/Off 2 Vin 3 Ground 4 Vout 5 Trim 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