NON-ISOLATED DC/DC CONVERTERS 4.5 Vdc - 13.2 Vdc Input 0.9 Vdc - 5.0 Vdc/3 A Output xRAH-03Exx0 Series RoHS Compliant Rev.A • Non-Isolated • Remote On/Off • Trim Function • OCP/SCP • Low Profile Package (7.82 mm) • Under-Voltage Lockout (UVLO) • UL60950-1 Recognized (UL/cUL) Description The Bel xRAH-03Exx0 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 93% at full load. Part Selection Output Voltage 5.0 Vdc 3.3 Vdc 2.5 Vdc 1.8 Vdc 1.5 Vdc 1.2 Vdc 1.0 Vdc 0.9 Vdc Input Voltage 8.0 Vdc - 13.2 Vdc 4.5 Vdc - 13.2 Vdc 4.5 Vdc - 13.2 Vdc 4.5 Vdc - 13.2 Vdc 4.5 Vdc - 13.2 Vdc 4.5 Vdc - 13.2 Vdc 4.5 Vdc - 13.2 Vdc 4.5 Vdc - 13.2 Vdc Max. Output Current 3A 3A 3A 3A 3A 3A 3A 3A Max. Output Power 15 W 9.9 W 7.5 W 5.4 W 4.5 W 3.6 W 3W 2.7 W Typical Efficiency 95% 93% 91% 88% 87% 85% 84% 82% Part Number Surface Mount SRAH-03E500 SRAH-03E330 SRAH-03E250 SRAH-03E180 SRAH-03E150 SRAH-03E120 SRAH-03E100 SRAH-03E090 Part Number Vertical Mount VRAH-03E500 VRAH-03E330 VRAH-03E250 VRAH-03E180 VRAH-03E150 VRAH-03E120 VRAH-03E100 VRAH-03E090 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 0 °C -40 °C Typ - Max 14 V 13.2 V 70 °C 100 °C Min Typ Max 4.5 V - 13.2 V - 30 mA 4 mA 3A - - 75 mA 150 mA - 30 mA 60 mA - 2 Notes Input Specifications Parameter Input Voltage Input Current (no load) Input Current (full load) Remote Off Input Current Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (rms) 2 I t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold 0.02 A s 4.1 V 3.3 V Notes Min. input voltage for 5.0 V output module should be 8.0 V With simulated source impedance of 500 nH, 5 Hz to 20 MHz; Use two 270 uF/16 V Oscon capacitors with ESR = 0.018 ohm max. at 100 kHz at 25 °C 2 0.08 A s 4.5 V 4.0 V Not applicable for 5.0 V 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 4.5 Vdc - 13.2 Vdc Input 0.9 Vdc - 5.0 Vdc/3 A Output Output Specifications Parameter Output Voltage Set Point Min Typ Max Notes VO=5.0 V VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V VO=1.0 V VO=0.9 V 4.900 V 3.234 V 2.450 V 1.764 V 1.470 V 1.176 V 0.980 V 0.882 V 5.0 V 3.3 V 2.5 V 1.8 V 1.5 V 1.2 V 1.0 V 0.9 V 5.100 V 3.366 V 2.550 V 1.836 V 1.530 V 1.224 V 1.020 V 0.918 V VO=5.0 V VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V VO=1.0 V VO=0.9 V - 10 mV 8 mV 6 mV 6 mV 5 mV 5 mV 5 mV 5 mV 15 mV 10 mV 10 mV 10 mV 8 mV 8 mV 8 mV 8 mV VO=5.0 V VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V VO=1.0 V VO=0.9 V - 15 mV 10 mV 8 mV 8 mV 5 mV 5 mV 5 mV 5 mV 25 mV 20 mV 15 mV 15 mV 10 mV 10 mV 10 mV 10 mV - 20 mV 40 mV 0A - 3A 3.3 A - Test condition: Vin=8 V, lout=full load Line Regulation Load Regulation Regulation Over Temperature (0 °C to 70 °C) Output Current Current Limit Threshold 8 A 2 2 Short Circuit Surge Transient - 0.02 A s 0.08 A s Ripple and Noise (rms) - 15 mV 40 mV BW = 0-20 MHz. BW = 0-20 MHz. Ripple and Noise (pk-pk) 50 mV 100 mV Turn on Time - - 60mS Overshoot at Turn on - 0% 3% 0 uF - 1200 uF - 150 mV 60 uS 150 mV 60 uS 110 mV 60 uS 110 mV 60 uS 110 mV 60 uS 110 mV 60 uS 200 mV 120 uS 200 mV 120 uS 150 mV 120 uS 150 mV 120 uS 150 mV 100 uS 150 mV 100 uS Output Capacitance Transient Response 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time VO=5 V VO=3.3 V VO=2.5 V di/dt = 0.5 A/uS; Vin = 8 V; Ta = 25 °C and with a 220 uF Tan. capacitor on 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 4.5 Vdc - 13.2 Vdc Input 0.9 Vdc - 5.0 Vdc/3 A Output Output Specifications (continued) Parameter Min Typ Max Notes - 110 mV 60 uS 110 mV 60 uS 110 mV 60 uS 110 mV 60 uS 110 mV 60 uS 110 mV 60 uS 110 mV 60 uS 110 mV 60 uS 110 mV 60 uS 110 mV 60 uS 150 mV 100 uS 150 mV 100 uS 150 mV 120 uS 150 mV 120 uS 150 mV 100 uS 150 mV 100 uS 150 mV 100 uS 150 mV 100 uS 150 mV 100 uS 150 mV 100 uS di/dt = 0.5 A/uS; Vin = 8 V; Ta = 25 °C and with a 220 uF electrolytic capacitor on output Transient Response 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time VO=1.8 V VO=1.5 V VO=1.2 V VO=1.0 V VO=0.9 V - Note: All specifications are typical at 8V input, full load at 25°C unless otherwise stated. General Specifications Parameter Min Typ Max Switching Frequency 91% 89% 87% 84% 83% 81% 80% 78% 200 kHz 95% 93% 91% 88% 87% 85% 84% 82% 300 kHz 400 kHz Output Trim Range 90% VO - 110% VO Notes Efficiency VO=5.0 V VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V VO=1.0 V VO=0.9 V 1 Measured at Vin=8 V, full load For all outputs Protection Features MTBF Calculated Per Bell Core SR-332 (IO = 80%load; Ta = 25 °C) 8,278,709 hours Dimensions (surface mount) Inches (L × W × H) Millimeters (L × W × H) Dimensions (vertical) Inches (L × W × H) Millimeters (L × W × H) Weight 0.78 x 0.7 x 0.32 19.812 x 17.78 x 8.128 - 0.7 x 0.308 x 0.65 17.78 x 7.82 x 16.51 5.1 g - Notes: All specifications are typical at 25 °C unless otherwise stated. 1. Min. of 0.9 V output should be 100%Vo. 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 4.5 Vdc - 13.2 Vdc Input 0.9 Vdc - 5.0 Vdc/3 A Output Control Specifications Parameter Min Typ Max Signal Low (Unit On) -0.3 V - 1V Signal High (Unit Off) 2.8 V - 13.2 V Notes Remote On/Off Remote on/off pin open, unit on. Output Trim Equations Equations for calculating the trim resistor (in kΩ) given the desired adjusted voltage (Vadj) and the nominal output voltage of the converter (Vnom) are shown below. The Trim Down resistor should be connected between the Trim pin and Vout. 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 RTrimDown = A −B Vnom − Vadj Module Trim Rtrimdown GND Vout RTrimUp = Vadj C −D − Vnom Module Trim GND Rtrimup Vnom A B C D 5.0 61.940 29.400 11.760 14.700 3.3 53.840 61.700 17.200 40.200 2.5 9.596 15.620 4.496 10.000 1.8 3.850 13.830 3.064 10.000 1.5 3.120 14.420 3.536 10.000 1.2 1.790 10.910 3.536 6.490 1.0 0.511 3.490 1.992 1.000 0.9 X X 0.960 0.100 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 4.5 Vdc - 13.2 Vdc Input 0.9 Vdc - 5.0 Vdc/3 A Output Efficiency Data 3.3V module 5V module 100.0% 90.0% 85.0% 8V 13.2V 80.0% 75.0% 70.0% Efficiency Efficiency 95.0% 65.0% 60.0% 0.8 1.5 2.3 3.0 0.3 0.8 1.5 2.3 Output current 2.5V module 1.8V module 100.0% 100.0% 95.0% 90.0% 95.0% 3.0 90.0% 85.0% 4.5V 8V 13.2v 80.0% 75.0% 70.0% 65.0% 60.0% 85.0% 4.5V 8V 13.2V 80.0% 75.0% 70.0% 65.0% 60.0% 0.3 0.8 1.5 2.3 3.0 0.3 0.8 1.5 2.3 Output current Output current 1.5V module 1.2V module 95.0% 95.0% 90.0% 90.0% 85.0% 4.5V 8V 13.2V 80.0% 75.0% Efficiency Efficiency 4.5V 8V 13.2V 80.0% 75.0% 70.0% 65.0% 60.0% Output current Efficiency Efficiency 0.3 100.0% 95.0% 90.0% 85.0% 85.0% 4.5V 8V 13.2V 80.0% 75.0% 70.0% 70.0% 65.0% 65.0% 60.0% 3.0 60.0% 0.3 0.8 1.5 2.3 Output current 3.0 0.3 0.8 1.5 2.3 3.0 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 4.5 Vdc - 13.2 Vdc Input 0.9 Vdc - 5.0 Vdc/3 A Output Efficiency Data (continued) 0.9V module 95.0% 90.0% 90.0% 85.0% 85.0% Efficiency Efficiency 1.0V module 4.5V 8V 13.2V 80.0% 75.0% 70.0% 80.0% 4.5V 8V 13.2V 75.0% 70.0% 65.0% 65.0% 60.0% 60.0% 0.3 0.8 1.5 2.3 3.0 0.3 Output current 0.8 1.5 2.3 3.0 Output current Thermal Derating Curve VRAH-03E330 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 4.5 Vdc - 13.2 Vdc Input 0.9 Vdc - 5.0 Vdc/3 A Output Ripple and Noise Waveforms Ripple and noise at max load 5.0 Vdc output Ripple and noise at max load 3.3 Vdc output Ripple and noise at max load 2.5 Vdc output Ripple and noise at max load 1.8 Vdc output Ripple and noise at max load 1.5 Vdc output Ripple and noise at max load 1.2 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 4.5 Vdc - 13.2 Vdc Input 0.9 Vdc - 5.0 Vdc/3 A Output Ripple and Noise Waveforms (continued) Ripple and noise at max load 1.0 Vdc output Ripple and noise at max load 0.9 Vdc output Note: Ripple and Noise at 8 Vdc input, Ta=25 deg C. Transient Response Waveforms Transients 50% to 100% load 5.0 Vdc output Transients 100% to 50% load 5.0 Vdc output Transients 50% to 100% load 3.3 Vdc output Transients 100% to 50% load 3.3 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 4.5 Vdc - 13.2 Vdc Input 0.9 Vdc - 5.0 Vdc/3 A Output Transient Response Waveforms (continued) Transients 50% to 100% load 2.5 Vdc output Transients 100% to 50% load 2.5 Vdc output Transients 50% to 100% load 1.8 Vdc output Transients 100% to 50% load 1.8 Vdc output Transients 50% to 100% load 1.5 Vdc output Transients 100% to 50% load 1.5 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 4.5 Vdc - 13.2 Vdc Input 0.9 Vdc - 5.0 Vdc/3 A Output Transient Response Waveforms (continued) Transients 50% to 100% load 1.2 Vdc output Transients 100% to 50% load 1.2 Vdc output Transients 50% to 100% load 1.0 Vdc output Transients 100% to 50% load 1.0 Vdc output Transients 50% to 100% load 0.9 Vdc output Transients 100% to 50% load 0.9 Vdc output Note: Transient Response at 8 V input, di/dt=0.5 A/uS, with 220 uF electric cap at the 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 4.5 Vdc - 13.2 Vdc Input 0.9 Vdc - 5.0 Vdc/3 A Output Mechanical Outline SRAH-03Exx0 Pin Connections bel Pin 1 2 3 4 5 6 7 Function Remote On/Off (option) Vin Ground Vout Trim (option) N/A N/A VRAH-03Exx0 Pin Connections bel bel Pin 1 2 3 4 5 Function Remote On/Off (option) Vin Ground Vout Trim (option) 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. 010807 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