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| NON-ISOLATED DC/DC CONVERTERS 8 Vdc - 14 Vdc Input 0.8 Vdc - 3.63 Vdc / 30 A Outputs VRBG-30A1A0 RoHS Compliant PRELIMINARY Rev.A * * * * * * Non-Isolated Fixed Frequency High Efficiency Wide Trim Low Cost Remote Sense * * * * * Input Under Voltage Lockout Over Temperature Shutdown Short Circuit Protection Remote On/Off Industrial Temperature Range Description The Bel VRBG-30A1A0 is part of the non-isolated dc/dc converter Power Module series. The modules use a SIP package. These converters are available in a range of output voltages from 0.8 Vdc to 3.63 Vdc over a wide range of input voltage (Vin = 8 Vdc - 14 Vdc).The efficiency is typically 92% at 12 Vdc input and 3.3 Vdc output at full load. Part Selection Output Voltage 0.8 Vdc - 3.3 Vdc Input Voltage 8 Vdc - 14 Vdc Max. Output Current 30 A Max. Output Power 99 W Typical Efficiency 92% Model Number VRBG-30A1A0 Notes: 1. Add "G" or "R" suffix at the end of the model number to indicate Tray or Tape and Reel 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 -55 C Typ Max 15 V 15 V 85 C 125 C Notes Input Specifications Parameter Input Voltage Input Current (full load) Input Current (no load) Remote Off Input Current Input Reflected Ripple Current (rms) I t Inrush Current Transient Turn On Voltage Threshold Turn Off Voltage Threshold 2 Min 8V - Typ 12 V 240 mA 20 mA 5 mA 6.7 V 6.3 V Max 14 V 15 A 1As 2 Notes An input line fuse must always be used. With a 1000 uF AL-Cap at the input. Note: All specifications are typical at nominal input, full load 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 8 Vdc - 14 Vdc Input 0.8 Vdc - 3.63 Vdc / 30 A Outputs Output Specifications Parameter Output Voltage Set Point Line Regulation Load Regulation Temperature Regulation (-40 C to +85 C) Ripple and Noise (rms) Ripple and Noise (pk-pk) Output Current Short Circuit Surge Transient Turn on Time Overshoot at Turn On Output Capacitance Transient Response 50% ~ 75% Max Load 75% ~ 50% Max Load Overshoot Settling Time Overshoot Settling Time Vo=3.3 V 65 mV 20 uS 65 mV 20 uS 150 mV 45 uS 150 mV 45 uS di/dt=0.5 A/us, Vin=12 Vdc, with a 20 F ceramic capacitor and a150 uF tantalum capacitor at the output. Min -1.5%Vo, set 0A 150 uF Typ 4 mA 15 mV 1A s 2 mS 2 Max 1.5%Vo, set 0.2%Vo, set 1.5%Vo, set 1%Vo, set 20 mV 100 mV 30 A 3A s 10 mS 5% 10000 uF 2 Notes Vin=12 V, IO=half load 0-20 MHz BW, with a 20 F ceramic capacitor and a 150 uF tantalum capacitor at the output. Note: All specifications are typical at nominal input, full load at 25 C unless otherwise stated. General Specifications Parameter Efficiency Vo=0.8 V Vo=1.8 V Vo=2.5 V Vo=3.3 V Switching Frequency Output Voltage Trim Range Over Temperature Shutdown Remote Sense Compensation MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 2.0 x 0.50 x 0.433 50.80 x 12.70 x 11.0 TBD 0.8 V 80% 87% 91% 92% 600 kHz 130 C TBD 3.63 V 0.5 V Calculated Per Bell Core SR-332 (IO = Nominal; Ta = 25 C) Vin=12 V, full load Min Typ Max Notes - Note: All specifications are typical at 25 C unless otherwise stated. Control Specifications Parameter Remote On/Off Signal Low (Unit Off) Signal High (Unit On) Min -0.3 V 2.8 V Typ Max 0.8 V Vin, max 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 8 Vdc - 14 Vdc Input 0.8 Vdc - 3.63 Vdc / 30 A Outputs Output Trim Equations Equations for calculating the trim resistor are shown below (Unit: ). The Trim resistor should be connected between the Trim pin and Ground pin. Vout R trim 9680 = - 715 Vo - 0 . 8 Sense Module trim Rtrim Vo is the desired output voltage GND Efficiency Data Module 0.8 V 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 55.0% 50.0% 45.0% 40.0% 3A 7.5A 15A 22.5A 30A 8V 12V 14V Module 1.8 V 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 55.0% 50.0% 45.0% 40.0% 3A 7.5A 15A 22.5A 30A 8V 12V 14V Module 2.5 V 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 3A 7.5A 15A 22.5A 30A 8V 12V 14V Module 3.3V 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 3A 7.5A 15A 22.5A 30A 8v 12.0V 14.0V 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 8 Vdc - 14 Vdc Input 0.8 Vdc - 3.63 Vdc / 30 A Outputs Thermal Derating Curves The maximum acceptable temperature measured at the thermal ref points is 110 deg, the thermal ref point is shown in Figure. All the derating curves were tested with two electronic loads connected in parallel. Vin=12 V, Vo=3.3 V Vin=12 V,Vo=2.5 V Vin=12 V, Vo=1.8 V Vin=12 V, Vo=0.8 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 8 Vdc - 14 Vdc Input 0.8 Vdc - 3.63 Vdc / 30 A Outputs Ripple and Noise Waveforms 12 Vdc input, 0.8 Vdc output 12 Vdc input, 1.8 Vdc output 12 Vdc input, 2.5 Vdc output 12 Vdc input, 3.3 Vdc output Note: Ripple and noise at full load, external load with 150 uF tantalum cap and 20 uF ceramic at the output, and Ta=25 deg C. Transient Response Waveforms 50% to 75% load Transient at 0.8 Vdc output 75% to 50% load Transient at0.8 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 8 Vdc - 14 Vdc Input 0.8 Vdc - 3.63 Vdc / 30 A Outputs Transient Response Waveforms (continued) 50% to 75% load Transient at 1.8 Vdc output 75% to 50% load Transient at 1.8 Vdc output 50% to 75% load Transient at 2.5 Vdc output 75% to 50% load Transient at 2.5 Vdc output 50% to 75% load Transient at 3.3 Vdc output 75% to 50% load Transient at 3.3 Vdc output Note: Transient response at 12 Vdc input, di/dt=0.5 A/uS, with a 20 F ceramic capacitor and a 150 uF tantalum capacitor 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 8 Vdc - 14 Vdc Input 0.8 Vdc - 3.63 Vdc / 30 A Outputs Mechanical Outline Pin Connections Pin 1 2 3 4 5 6 7 8 9 10 Function Vin Vin Ground Ground Trim Remote Sense+ Ground Ground Vout Vout Pin 11 12 13 14 15 16 17 18 19 20 Function Vout Vout Remote On/Off Ground Ground Ground Ground Vin N/C Vin RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. (c)2006 Bel Fuse Inc. Specifications subject to change without notice. 011807 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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