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| NON-ISOLATED DC/DC CONVERTERS 10.8 Vdc - 13.2 Vdc Input 0.6 Vdc - 5.0 Vdc/80 A Output VRP4-80A1Ax * * * * * * * Non-Isolated High Efficiency RoHS Compliant * * * * * * Rev.B Output Over-Voltage Shutdown OCP/SCP Low Output Ripple Power Good Signal Remote On/Off Over Temperature Protection Fixed Switching Frequency Low Cost Excellent Thermal Performance Output Voltage Trim 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) Output Enable Terminal Voltage Ambient Temperature Storage Temperature Min -0.3 V -0.3 V 0 C -55 C Typ Max 15 V 15 V 70 C 125 C Notes Input Specifications Parameter Input Voltage Input Current (full load) Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (rms) I t Inrush Current Transient Turn-on Voltage Threshold Under Voltage Threshold 2 Min 10.8 V - Typ 12 V 20 5 10.2 V 9.5 V Max 13.2 V 40 A 35 10 1A s 10.6 V 10 V 2 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 25C. 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 Output Voltage Set Point Vo1 V Vo1 V Load Regulation Vo2.5 V Vo2.5 V Line Regulation Vo2.5 V Vo2.5 V Regulation Over Temperature (0 C to +70 C) Output Current Current Limit Threshold 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 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 Turn On Time Rise Time Overshoot at Turn on and off Output Capacitance ESR1 m 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=25C, Co=4700 uF. 0A 90 A 0 uF 110 A 0.3% Vo 9 mV 0.02% Vo/C 80 A 150 A 80 mV 80 mV 60 mV 60 mV 50 mV 50 mV 40 mV 40 mV 30 mV 30 mV 25 mV 25 mV 10 mS 3 mS 0.5% 4700 uF 0.6% Vo 12 mV -1.5 % Vo -10 mV +1.5 % Vo +10 mV Vin=Vinmin, Io=Iomax Min Typ Max Notes Test conditions: 0-20 MHz BW, with a 1 F ceramic capacitor and a 10 uF Tantalum cap at output. 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 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 MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 2.58 x 1.25 x 0.608 65.53 x31.75 x 15.44 TBD VRP4-80A1AB 2.58 x 1.25 x 0.763 65.53 x31.75 x 19.38 VRP4-80A1A0 91% 89% 88% 86% 85% 81% 79% 70% 0.6 V 110% Vo,set 95% 93% 92% 90% 89% 86% 83% 75% 250 kHz 115%Vo,set 105 C TBD 5V 130%Vo,set Min Typ Max Notes 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) Note: All specifications are typical at 25 C unless otherwise stated. Control Specifications Parameter Remote On/Off (Active High) Signal Low (Unit Off) Signal High (Unit On) Current Source/Sink PwGood (PowerGood) PwGood = High = Power Good PwGood = Low = Power Not Good 2.4 V 0V 5.25 V 2 mA 0.4 V 4 mA -0.3 V 2V 0 mA 0.8 V Vin,max 3.3 mA Remote On/Off pin is open, unit is off. Min Typ Max Notes Output Trim Equation The Trim resistor should be connected between the Trim+ pin and Trim- pin. R trim 1 .2 = ( K ) 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% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 55.0% 8 20 40 Output Current(A) 60 80 95.0% 90.0% Efficiency Curve Efficiency 10.8 V 12 V 13.2 V Efficiency 85.0% 80.0% 75.0% 70.0% 8 20 40 Output Current(A) 60 80 10.8 V 12 V 13.2 V Vo=0.6 V Efficiency Curve 95.0% 93.0% 91.0% 89.0% 87.0% 85.0% 83.0% 81.0% 79.0% 77.0% 75.0% 8 20 40 Output Current(A) 60 80 98.0% 96.0% 94.0% 92.0% 90.0% 88.0% 86.0% 84.0% 82.0% 80.0% 8 20 Vo=1.2 V Efficiency Curve Efficiency Efficiency 10.8 V 12 V 13.2 V 10.8 V 12 V 13.2 V 40 Output Current(A) 60 80 Vo=1.8 V Efficiency Curve Vo=2.5 V Efficiency Curve Efficiency Efficiency 98.0% 96.0% 94.0% 92.0% 90.0% 88.0% 86.0% 84.0% 82.0% 80.0% 8 20 40 Output Current(A) 60 80 10.8 V 12 V 13.2 V 98.0% 96.0% 94.0% 92.0% 90.0% 88.0% 86.0% 84.0% 82.0% 80.0% 8 20 40 Output Current(A) 60 80 10.8 V 12 V 13.2 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 0.6 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, 1.2 Vdc/80 A output 12 Vdc input, 1.5 Vdc/80 A output 12 Vdc input, 1.8 Vdc/80 A output 12 Vdc input, 2.5 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=2.5 V 50%-0% Load Transients Vout=3.3 V 0%-50% Load Transients Vout=3.3 V 50%-0% Load Transients Vout=5 V 0%-50% 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 1 2 3 4 5 6 7 8 Function Trim+ N/A GND PwGOOD TrimIshare GND GND Pin 9 10 11 12 13 14 15 16 Function Enable SenseSense+ Vin Vin Vin Vout Vout Pin 17 18 19 20 21 22 23 24 Function GND Vout GND Vout GND Vout 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. (c)2007 Bel Fuse Inc. Specifications subject to change without notice. 110607 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 |
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