NON-ISOLATED DC/DC CONVERTERS 10.8 Vdc - 13.2 Vdc Input VRP4-80A1Ax 0.6 Vdc - 5.0 Vdc/80 A Output RoHS Compliant Rev.B • Non-Isolated • Output Over-Voltage Shutdown • High Efficiency • OCP/SCP • Fixed Switching Frequency • Low Output Ripple • Low Cost • Power Good Signal • Excellent Thermal Performance • Remote On/Off • Output Voltage Trim • Over Temperature Protection • Current Share Description The VRP4-80A1Ax is a non-isolated dc/dc converter that operates from a nominal 12 Vdc source. This unit can provide a precisely regulated output voltage from 0.6 Vdc to 5.0 Vdc and can deliver up to 80 A of output current. This unit is designed to be highly efficient and low cost. The converter is provided in an industry standard package. Part Selection Output Voltage 0.6 V - 5.0 V Input Voltage 10.8 V - 13.2 V Max. Output Current 80 A Max. Output Power 400 W Typical Efficiency (Vo=3.3 Vdc) 93% Model Number Active High VRP4-80A1A0 Model Number Active High 1 VRP4-80A1AB Notes: 1. VRP4-80A1A0 and VRP4-80A1AB are with different heatsink. 2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. 3. Add “G” suffix at the end of the model numbers listed above to indicate “Tray Packaging”. Absolute Maximum Ratings Parameter Input Voltage (continuous) Min -0.3 V Typ - Max 15 V Output Enable Terminal Voltage -0.3 V - 15 V Notes Ambient Temperature 0 °C - 70 °C Storage Temperature -55 °C - 125 °C Input Specifications Parameter Min Typ Max 10.8 V 12 V 13.2 V Input Current (full load) - - 40 A Input Reflected Ripple Current (pk-pk) - 20 35 Input Reflected Ripple Current (rms) - 5 10 - - 1A s Turn-on Voltage Threshold - 10.2 V 10.6 V Under Voltage Threshold - 9.5 V 10 V Input Voltage 2 I t Inrush Current Transient Notes With simulated source impedance of 1 uH, 5 Hz to 20 MHz. Use a 1000 uF/16 V electrolytic capacitor with ESR=0.1 ohm max, at 100 kHz at 25°C. 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 10.8 Vdc - 13.2 Vdc Input 0.6 Vdc - 5.0 Vdc/80 A Output Output Specifications Parameter Min Typ Max -1.5 % Vo -10 mV - +1.5 % Vo +10 mV Vo≥2.5 V Vo＜2.5 V - - 0.6% Vo 12 mV Vo≥2.5 V Vo＜2.5 V - - 0.3% Vo 9 mV - - 0.02% Vo/C Output Current 0A - 80 A Current Limit Threshold 90 A 110 A 150 A Output Ripple and Noise (pk-pk) Vo=5.0 V Vo=3.3 V Vo=2.5 V Vo=1.5 V Vo=1.0 V Vo=0.6 V - - 80 mV 80 mV 60 mV 60 mV 50 mV 50 mV Output Ripple and Noise (rms) Vo=5.0 V Vo=3.3 V Vo=2.5 V Vo=1.5 V Vo=1.0 V Vo=0.6 V - - 40 mV 40 mV 30 mV 30 mV 25 mV 25 mV Turn On Time - - 10 mS Rise Time - - 3 mS Overshoot at Turn on and off Output Capacitance ESR≥1 mΩ - - 0.5% 0 uF - 4700 uF Notes Output Voltage Set Point Vo≥1 V Vo＜1 V Vin=Vinmin, Io=Iomax Load Regulation Line Regulation Regulation Over Temperature (0 °C to +70 °C) Test conditions: 0-20 MHz BW, with a 1 µF ceramic capacitor and a 10 uF Tantalum cap at output. Transient Response 50% ~ 100% Max Load Settling Time 100% ~ 50% Max Load Settling Time Vo=All - - 300 mV - - 100 uS - - 300 mV - - 100 uS Test conditions: di/dt = 2.5 A/uS; Vin =12 V; Ta=25°C, Co=4700 uF. 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 10.8 Vdc - 13.2 Vdc Input 0.6 Vdc - 5.0 Vdc/80 A Output General Specifications Parameter Min Typ Max 91% 89% 88% 86% 85% 81% 79% 70% - 95% 93% 92% 90% 89% 86% 83% 75% 250 kHz - 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=0.6 V Switching Frequency Output Voltage Trim Range Over Voltage Protection Over Temperature Protection 0.6 V - 5V 110% Vo,set 115%Vo,set 130%Vo,set - 105 °C - MTBF Measured at Vin=12 V, full load. Trim pin is open, Vo = 0.6 V. Vin=12 V, Io=full load. The temperature of heatsink. Calculated Per Bell Core SR332 (IO = 80%Iomax; Vin=12 V; Ta = 25 °C) TBD Dimensions Inches (L × W × H) Millimeters (L × W × H) 2.58 x 1.25 x 0.763 65.53 x31.75 x 19.38 VRP4-80A1A0 Inches (L × W × H) Millimeters (L × W × H) 2.58 x 1.25 x 0.608 65.53 x31.75 x 15.44 VRP4-80A1AB Dimensions Weight - TBD - Note: All specifications are typical at 25 °C unless otherwise stated. Control Specifications Parameter Min Typ Max Notes Remote On/Off (Active High) Signal Low (Unit Off) -0.3 V - 0.8 V Signal High (Unit On) 2V - Vin,max Current Source/Sink 0 mA - 3.3 mA PwGood = High = Power Good 2.4 V - 5.25 V - - 2 mA PwGood = Low = Power Not Good 0V - 0.4 V - - 4 mA Remote On/Off pin is open, unit is off. PwGood (PowerGood) Output Trim Equation The Trim resistor should be connected between the Trim+ pin and Trim- pin. R trim 1 .2 = ( KΩ ) Vo − 0 . 6 Vout Module Trim+ Rtrim Trim– 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 10.8 Vdc - 13.2 Vdc Input 0.6 Vdc - 5.0 Vdc/80 A Output Efficiency Data Efficiency Curve 95.0% 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 90.0% 10.8 V 12 V Efficiency Efficiency Efficiency Curve 13.2 V 85.0% 10.8 V 12 V 80.0% 13.2 V 75.0% 60.0% 55.0% 70.0% 8 20 40 60 80 8 20 Output Current(A) Vo=0.6 V 12 V Efficiency Efficiency 10.8 V 13.2 V 40 60 98.0% 96.0% 94.0% 92.0% 90.0% 88.0% 86.0% 84.0% 82.0% 80.0% 10.8 V 12 V 13.2 V 8 80 20 Vo=1.8 V 12 V 13.2 V Vo=3.3 V 60 80 Efficiency Efficiency 10.8 V 88.0% 86.0% 84.0% 82.0% 80.0% Output Current(A) 80 Efficiency Curve Efficiency Curve 40 60 Vo=2.5 V 98.0% 96.0% 94.0% 92.0% 90.0% 20 40 Output Current(A) Output Current(A) 8 80 Efficiency Curve 95.0% 93.0% 91.0% 89.0% 87.0% 85.0% 83.0% 81.0% 79.0% 77.0% 75.0% 20 60 Vo=1.2 V Efficiency Curve 8 40 Output Current(A) 98.0% 96.0% 94.0% 92.0% 90.0% 88.0% 86.0% 84.0% 82.0% 80.0% 10.8 V 12 V 13.2 V 8 20 40 60 80 Output Current(A) Vo=5.0 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 10.8 Vdc - 13.2 Vdc Input 0.6 Vdc - 5.0 Vdc/80 A Output Thermal Derating Curves VRP4-80A1A0 VRP4-80A1AB Vo=1.2 V Vo=1.2 V Vo=3.3 V Vo=3.3 V Vo=5.0 V Vo=5.0 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 10.8 Vdc - 13.2 Vdc Input 0.6 Vdc - 5.0 Vdc/80 A Output Ripple and Noise Waveforms 12 Vdc input, 0.6 Vdc/80 A output 12 Vdc input, 1.5 Vdc/80 A output 12 Vdc input, 2.5 Vdc/80 A output 12 Vdc input, 1.2 Vdc/80 A output 12 Vdc input, 1.8 Vdc/80 A output 12 Vdc input, 3.3 Vdc/80 A 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 10.8 Vdc - 13.2 Vdc Input 0.6 Vdc - 5.0 Vdc/80 A Output Ripple and Noise Waveforms (continued) 12 Vdc input, 5.0 Vdc/80 A output Note: Ripple and noise at full load, 0-20 MHz BW, with a 10 uF tantalum cap and a 1uF ceramic cap at the output, and Ta=25 deg C. Transient Response Waveforms Vout= 0.6 V 0%-50% Load Transients Vout=0.6 V 50%-0% Load Transients 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 10.8 Vdc - 13.2 Vdc Input 0.6 Vdc - 5.0 Vdc/80 A Output Transient Response Waveforms (continued) Vout=1.2 V 0%-50% Load Transients Vout=1.2 V 50%-0% Load Transients Vout=1.5 V 0%-50% Load Transients Vout=1.5 V 50%-0% Load Transients Vout= 1.8 V 0%-50% Load Transients Vout=1.8 V 50%-0% Load Transients 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 10.8 Vdc - 13.2 Vdc Input 0.6 Vdc - 5.0 Vdc/80 A Output Transient Response Waveforms (continued) Vout=2.5 V 0%-50% Load Transients Vout=3.3 V 0%-50% Load Transients Vout=5 V 0%-50% Load Transients Vout=2.5 V 50%-0% Load Transients Vout=3.3 V 50%-0% Load Transients Vout=5 V 50%-0% Load Transients Note: Transient response at di/dt = 2.5 A/uS, with extemal electrolytic cap 4700 uF, and 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 10.8 Vdc - 13.2 Vdc Input 0.6 Vdc - 5.0 Vdc/80 A Output Mechanical Outline VRP4-80A1A0 VRP4-80A1AB 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 10.8 Vdc - 13.2 Vdc Input 0.6 Vdc - 5.0 Vdc/80 A Output Mechanical Outline (continued) Pin Connections Pin Function Pin Function Pin Function 1 2 3 4 5 6 7 8 Trim+ N/A GND 9 10 11 12 13 14 15 16 Enable SenseSense+ Vin Vin Vin Vout 17 18 19 20 21 22 23 24 GND Vout GND Vout GND Vout GND Vout PwGOOD TrimIshare GND GND Vout Note: VRP4-80A1A0 and VRP4-80A1AB are with the same pin function. RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. ©2007 Bel Fuse Inc. Specifications subject to change without notice. 110607 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