NON-ISOLATED DC/DC CONVERTERS 10.8 Vdc - 13.2 Vdc Input VRP4-80A1AB 0.84 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 VRP4-80A1AB 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 0.84 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 Input Voltage 0.84 V - 5.0 V 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 VRP4-80A1AB Notes: 1. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. 2. 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 0.84 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 - - 0.6% 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=0.84 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=0.84 V - - 40 mV 40 mV 30 mV 30 mV 25 mV 25 mV Turn On Time - - 15 mS Rise Time - - 5 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 - - 180 uS - - 300 mV - - 180 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 0.84 Vdc - 5.0 Vdc/80 A Output General Specifications Parameter Min Typ Max 91% 89% 88% 86% 85% 81% 79% 76% 95% 93% 92% 90% 89% 86% 83% 80% - - 330 kHz - 0.84 V - 5V 110% Vo,set 115%Vo,set 130%Vo,set - 105 °C - 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=0.84 V Switching Frequency Output Voltage Trim Range Over Voltage Protection Over Temperature Protection MTBF Measured at Vin=12 V, full load. Trim pin is open, Vo = 0.835 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) 2,198,818 hours Dimensions Inches (L × W × H) Millimeters (L × W × H) Weight 2.58 x 1.25 x 0.608 65.53 x31.75 x 15.44 - 44 g - Note: All specifications are typical at 25 °C unless otherwise stated. Control Specifications Parameter Min Typ Max Signal Low (Unit Off) -0.3 V - 0.8 V Signal High (Unit On) 2.8 V - 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 Notes Remote On/Off (Active High) Remote On/Off pin is open, unit is on. PwGood (PowerGood) 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 0.84 Vdc - 5.0 Vdc/80 A Output Output Trim Equation The Trim resistor should be connected between the Trim+ pin and Trim- pin. R trim Vout 1. 675 = ( KΩ ) Vo − 0. 835 Module Trim+ Rtrim Trim– 20 100 10 Rtrim( Vo) 1 0.1 0.1 1 0.84 1.5 2 2.5 3 Vo 3.5 4 4.5 5 5 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 0.84 Vdc - 5.0 Vdc/80 A Output Efficiency Data Efficiency Curve Efficiency Curve 95.0% 90.0% 85.0% 80.0% 90.0% 10.8 V 75.0% 70.0% 65.0% 60.0% 55.0% 12 V 13.2 V Efficiency Efficiency 95.0% 85.0% 10.8 V 12 V 80.0% 13.2 V 75.0% 70.0% 8 20 40 60 80 8 20 Output Current(A) 10.8 V 12 V Efficiency Efficiency Efficiency Curve 95.0% 93.0% 91.0% 89.0% 87.0% 85.0% 83.0% 81.0% 79.0% 77.0% 75.0% 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% 40 80 Efficiency Curve Efficiency Curve Output Current(A) 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 Vo=1.2 V Efficiency Curve 20 60 Output Current(A) Vo=0.84 V 8 40 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 0.84 Vdc - 5.0 Vdc/80 A Output Thermal Derating Curves Vo=0.835 V Vo=3.3 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 0.84 Vdc - 5.0 Vdc/80 A Output Ripple and Noise Waveforms 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 12 Vdc input, 1.5 Vdc/80 A output 12 Vdc input, 2.5 Vdc/80 A output 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. 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 0.84 Vdc - 5.0 Vdc/80 A Output Transient Response Waveforms 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 0.84 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 0.84 Vdc - 5.0 Vdc/80 A Output Mechanical Outline 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 RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. ©2008 Bel Fuse Inc. Specifications subject to change without notice. 101008 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