NON-ISOLATED DC/DC CONVERTERS 4.5 Vdc - 14 Vdc Input VRBC-10E1Ax z z z z z z z 0.75 Vdc - 3.63 Vdc/10 A Output RoHS Compliant Non-Isolated High Efficiency Fixed Frequency Remote Sense Low Cost Under-Voltage Lockout (UVLO) Over Temperature Shutdown z z z z z z Rev.A Wide Input Wide trim OCP/SCP Remote On/Off Active Low/High (option) Industrial Temperature Range Description The Bel VRBC-10E1Ax is part of the non-isolate dc/dc power converter series. The modules use a SIP package. These converters are available in a range of output voltages from 0.75 Vdc to 3.63 Vdc over a wide range of input voltage (Vin = 4.5 Vdc - 14 Vdc). The efficiency is typically 94.3% at 3.3 Vdc output at 5.0 Vdc input at full load. Part Selection Output Voltage 0.75 V - 3.63 V Input Voltage 4.5 V -14 V Max. Output Current 10 A Max. Output Power 36.3 W Typical Efficiency 94.3% Model Number Active Low VRBC-10E1AL Model Number Active High VRBC-10E1A0 Notes: 1. Add “G” suffix at the end of the model number to indicate “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 -55 °C Typ - Max 15 V 15 V 85 °C 125 °C Notes Note: All specifications are typical at 25 °C unless otherwise stated. Input Specifications Parameter Input Voltage Vo,set < 3.0 V Vo,set ≥ 3.0 V Input Current (full load) Input Current (no load) Remote Off Input Current Min Typ Max Notes 4.5 V Vo,set+1.5 V - 40 mA 2 mA 14 V 14 V 8.6 A - An input line fuse must always be used. Input Reflected Ripple Current (pk-pk) - - 400 mA Input Reflected Ripple Current (rms) - - 150 mA - 0.2 A s 4.3 V 4.0 V 2 I t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold 2 Tested with one 1000 uF/25V AL input capacitor with ESR=0.03ohm max and 4 × 47 uF/16V Tantalum capacitors with ESR=0.013 ohm max at 100 kHz, & simulated source impedance of 1000nH, 5 Hz to 20MHz. 2 0.4 A s - 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 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Output Specifications Parameter Output Voltage Set Point Load Regulation Line Regulation Regulation Over Temperature (-40 °C to +85 °C) Output Current Current Limit Threshold Min -2% Vo,set - Typ 0.1% Vo,set 0.1% Vo,set Max 2% Vo,set - Notes Vin=5 V & 12 V, full load - 0.3Vo,set - Tref=Ta, min to Ta, max 0A - 200% Io,out 10 A - Short Circuit Surge Transient - 1A s 3A s Ripple and Noise (pk-pk) - 30 mV 80 mV Ripple and Noise (rms) - 12 mV 35 mV 0 uF 8 mS - 20 mS 1% 5600 uF Turn on Time Overshoot at Turn on Output Capacitance Transient Response 50% ~ 100% Max Load Settling Time 100% ~ 50% Max Load Settling Time 2 - VO = 0.75 V 3.63 V 2 160 mV 50 uS 160 mV 50 uS - Tested with 0-20 MHz, with 10 uF tantalum capacitor & 1 uF ceramic capacitor at the output di/dt=2.5 A/uS; Vin=5 V & 12 V; and with 470 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 Min Typ Max Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V Vo=0.75 V - 94.3% 93.0% 91.5% 90.8% 89.3% 83.0% - Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V Vo=0.75 V - 93.0% 92.0% 90.0% 89.0% 87.5% 81.0% - 265 kHz 0.7525 V - 300 kHz 130 °C - 335 kHz 3.63 V 0.5 V Notes Efficiency Measured at Vin=5 V, full load Efficiency Switching Frequency Over Temperature Shutdown Output Voltage Trim Range Remote Sense Compensation MTBF Measured at Vin=12 V, full load Calculated Per Bell Core SR-332 (IO = 80%Io,max; Vo=3.3 V; Vin=12 V; Ta = 25 °C) 5,114,191 hours Dimensions Inches (L × W × H) Millimeters (L × W × H) Weight - 2.0 x 0.5 x 0.32 50.8 x 12.7 x 8.13 7.1 g - 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 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Control Specifications Parameter Min Typ Max Notes Signal Low (Unit Off) -0.2 V - 0.3 V Signal High (Unit On) - - Vin, max VRBC-10E1A0; Remote On/Off pin open, Unit on. Signal Low (Unit On) -0.2 V - 0.3 V Signal High (Unit Off) 2.5 V - Vin, max Remote On/Off VRBC-10E1AL; Remote On/Off pin open, Unit on. Output Trim Equations Equation for calculating the trim resistor (in Ω) given the desired output voltage (Vo) is shown below. The Trim Up resistor should be connected between the Trim pin and Ground. Vout Sense Rtrim = 10500 − 1000 Vo − 0.7525 Module trim Rtrim GND Equation for calculating the trim voltage (in V) given the desired output voltage (Vo) is shown below. The Trim Up voltage should be connected between the Trim pin and Ground. Vout Vtrim = 0.7 − 0.0667 × (Vo − 0.7525) Sense Module trim Vtrim GND 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 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Efficiency Data Module 2.5 V Module 3.3 V 5.0 V 12.0 V 90.0% 80.0% Efficiency Efficiency 100.0% 70.0% 1A 2.5 A 5A 7.5 A 100.0% 95.0% 90.0% 85.0% 80.0% 75.0% 10 A 5.0 V 12.0 V 1A Output current 2.5 A Module 1.8 V 10 A 100.0% 90.0% 5.0 V 12.0 V 80.0% Efficiency Efficiency 7.5 A Module 1.5 V 100.0% 90.0% 5.0 V 12.0 V 80.0% 70.0% 70.0% 1A 2.5 A 5A 7.5 A 1A 10 A 2.5 A 5A 7.5 A 10 A Output current Output current Module 0.75 V Module 1.2 V 100.0% 90.0% 5.0 V 12.0 V 80.0% 70.0% 60.0% Efficiency 100.0% Efficiency 5A Output current 90.0% 5.0 V 12.0 V 80.0% 70.0% 60.0% 1A 2.5 A 5A 7.5 A Output current 10 A 1A 2.5 A 5A 7.5 A 10 A Output current 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 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Thermal Derating Curves Vin=12 V, Vo = 3.3 V Vin=5 V, Vo = 3.3 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 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Ripple and Noise Waveforms Vin=5 V, Vo=0.75 V Vin=5 V, Vo=3.3 V Vin=12 V, Vo=0.75 V Vin=12 V, Vo=3.3 V Note: Ripple and noise at full load, external load with 10 uF tantalum capacitor and 1 uF ceramic 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 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Transient Response Waveforms 50% to 100% load Transient at Vin=5 V, Vo=0.75 V 50% to 100% load Transient at Vin=12 V, Vo=0.75 V 50% to 100% load Transient at Vin=5 V, Vo=3.3 V 50% to 100% load Transient at Vin=12 V, Vo=3.3 V 100% to 50% load Transient at Vin=5 V, Vo=0.75 V 100% to 50% load Transient at Vin=12 V, Vo=0.75 V 100% to 50% load Transient at Vin=5 V, Vo=3.3 V 100% to 50% load Transient at Vin=12 V, Vo=3.3 V Note: Transient response at di/dt=2.5 A/uS, external load with 470 uF tantalum capacitor at the 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 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Mechanical Outline Pin Connections Pin Function 1 Vout 2 Vout 3 Remote Sense 4 Vout 5 Ground 6 Ground 7 Vin 8 Vin 9 N/A 10 Trim 11 Remote On/Off 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. 011707 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