VRAH-05E180

NON-ISOLATED DC/DC CONVERTERS 7.0 Vdc - 13.2 Vdc Input 1.2 Vdc - 3.3 Vdc/5 A Output xRAH-05Exx0 • • • • • Non-Isolated High Efficiency High Power Density RoHS Compliant • • • • • Remote On/Off Rev.A Under-Voltage Lockout OCP/SCP Low Profile Package (7.82 mm) UL60950-1 Recognized (UL/cUL) Fixed Frequency (280 kHz) Trim Function 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 2.5 V 1.8 V 1.5 V 1.2 V Input Voltage 7.0 V - 13.2 V 7.0 V - 13.2 V 7.0 V - 13.2 V 7.0 V - 13.2 V 7.0 V - 13.2 V Max. Output Current 5A 5A 5A 5A 5A Max. Output Power 16.5 W 12.5 W 9W 7.5 W 6W Typical Efficiency 91% 89% 87% 85% 83% Part Number Surface Mount SRAH-05E330 SRAH-05E250 SRAH-05E180 SRAH-05E150 SRAH-05E120 Part Number Vertical Mount VRAH-05E330 VRAH-05E250 VRAH-05E180 VRAH-05E150 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 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) I t Inrush Current Transient Turn on Voltage Threshold Turn off Voltage Threshold 2 Min 7V 3.2 V Typ 70 mA 3 mA 120 mA 50 mA 0.04 A s 5V 3.8 V 2 Max 13.2 V 100 mA 2.8 A 240 mA 100 mA 0.1 A s 6V 2 Notes 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 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 VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V Line Regulation VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V Load Regulation VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V Regulation Over Temperature (-40 °C to +85 °C) Output Current Range Output DC Current Limit Short Circuit Surge Transient Ripple and Noise (rms) Ripple and Noise (pk-pk) Turn on Time 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 0A 6.5 A 330 uF ±10 mV ±10 mV ±5 mV ±5 mV ±5 mV ±20 mV 0.04 A s 20 mV 60 mV 120 mV 60 uS 120 mV 60 uS 120 mV 60 uS 120 mV 60 uS 2 Min 3.200 V 2.425 V 1.745 V 1.455 V 1.164 V - Typ 3.3 V 2.5 V 1.8 V 1.5 V 1.2 V ±15 mV ±15 mV ±5 mV ±5 mV ±5 mV Max 3.400 V 2.575 V 1.855 V 1.545 V 1.236 V ±30 mV ±30 mV ±10 mV ±10 mV ±10 mV ±20 mV ±20 mV ±10 mV ±10 mV ±10 mV ±40 mV 5A 12.5 A 0.1 A s 50 mV 100 mV 60 mS 5% 2200 uF 150 mV 120 uS 150 mV 120 uS 150 mV 110 uS 150 mV 110 uS 2 Notes Test conditions: Io=50% full load. 0-20 MHz BW, with 330u F tantalum cap and 10 uF ceramic cap at output. 3.3 V 1.2 V-2.5 V 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 Signal Low (Unit Off) Signal High (Unit On) Min -0.3 V 3V Typ Max 1.2 V 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 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 Dimensions (surface mount) Inches (L × W × H) Millimeters (L × W × H) Dimensions (vertical) Inches (L × W × H) Millimeters (L × W × H) Weight 88% 86% 84% 82% 80% 200 kHz 90% 91% 89% 87% 85% 83% 280 kHz TBD 360 kHz 110% Calculated Per Bell Core SR-332 (Vin=10 V; Vo=3.3 V; IO =5 A; Ta = 25 °C) Vin=10 V, full load. Min Typ Max Notes 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 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 C − D ) Kohm Vo − Vo, adj Module Trim Rtrim-up GND Rtrim _ down = ( Vout Rtrim-down Module Trim Output Voltage 3.3 V 2.5 V 1.8 V 1.5 V 1.2 V A 17.2 4.496 3.064 3.712 3.712 B 40.2 5.62 10 5.62 5.62 C 53.841 9.556 3.849 3.254 1.87 D 61.7 11.24 13.83 10.26 10.26 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 100.0% 80.0% Efficiency 60.0% 40.0% 20.0% 0.0% 0.50 1.25 2.50 3.75 5.00 Output Current (A) 7V 10 V 13.2 V Efficiency 100.0% 80.0% 60.0% 40.0% 20.0% 0.0% 0.50 1.25 2.50 3.75 5.00 Output Current (A) 7V 10 V 13.2 V Efficiency Curve Vo=3.3 V Vo=2.5 V Efficiency Curve 100.0% 80.0% Efficiency Curve 100.0% 80.0% Efficiency 7V 10 V 13.2 V Efficiency 60.0% 40.0% 20.0% 0.0% 0.50 1.25 2.50 3.75 5.00 Output Current (A) 60.0% 40.0% 20.0% 0.0% 0.50 1.25 2.50 3.75 5.00 Output Current (A) 7V 10 V 13.2 V Vo=1.8 V Vo=1.5 V Efficiency Curve 100.0% 80.0% Efficiency 60.0% 40.0% 20.0% 0.0% 0.50 1.25 2.50 3.75 5.00 Output Current (A) 7V 10 V 13.2 V 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 Pin 1 2 3 4 5 6 7 Function Remote On/Off Vin Ground Vout Trim N/A N/A VRAH-05Exx0 Pin Connections bel Pin 1 2 3 4 5 Function Remote On/Off Vin Ground Vout Trim bel 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 Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com FAR EAST 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 EUROPE 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