NON-ISOLATED DC/DC CONVERTERS 4.5 Vdc -14 Vdc Input 0.75 Vdc - 5.0 Vdc/6 A Output xRBA-06E2Ax Series RoHS Compliant Rev.A • Non-Isolated • Under-voltage Lockout (UVLO) • High Efficiency • Remote On/Off • High Power Density • OCP/SCP • Fixed Frequency • Wide Input • Flexible Output Voltage Sequencing • Wide Trim Range Description The Bel xRBA-06E2Ax modules are a series of non-isolated dc/dc converters that can deliver up to 6 A of output current with full load efficiency of 92% at 5.0 Vdc output. These modules provide precisely regulated voltage programmable via external resistor from 0.75 Vdc to 5.0 Vdc over a wide range of input voltage. These modules have a sequencing feature that enables designers to implement various types of output voltage sequencing when powering multiple voltages on a board. Their open-frame construction and small footprint enable designers to develop cost and space-efficient solutions. Standard features include remote On/Off, programmable output voltage and over current protection. Part Selection Output Voltage 5.0 V 0.75 V - 3.3 V 1 Input Voltage Max. Output Current Max. Output Power Typical Efficiency Model Number Surface Mount Model Number Vertical Mount 7.0 V - 14 V 6A 30.0 W 92% SRBA-06E2Ax VRBA-06E2Ax 4.5 V - 14 V 6A 19.8 W 88% SRBA-06E2Ax VRBA-06E2Ax Notes: 1. These modules use a buck topology, so the output voltages must be 0.5 V less than the input voltage. 2. Use “0” to replace “x” for remote on/off active high logic and use “L” for active low logic. Add “G” suffix at the end of the model numbers to indicate Tray Packaging. 3. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. Absolute Maximum Ratings Parameter Min Typ Max Input Voltage (continuous) -0.3 V - 15 V Output Enable Terminal Voltage -0.3 V - 15 V 1 -0.3 V - Vin Ambient Temperature -40 °C - 85 °C Storage Temperature -55 °C - 125 °C Sequencing Voltage Notes Notes: All specifications are typical at 25 °C unless otherwise stated. 1. xRBA-06E2Ax series of modules include a sequencing feature that enables users to implement various types of output voltage sequencing in their applications. This is accomplished via an additional sequencing pin. When the sequencing feature is not used, tie the SEQ pin to Vin. 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 - 5.0 Vdc/6 A Output Input Specifications Parameter Min Typ Max Notes 4.5 V 7.0 V 12 V 12 V 14 V 14 V Vo=5.0 V Vo=3.3 V Vo=1.8 V Vo=0.75 V - 2.75 A 1.85 A 1.05 A 0.55 A 4.8 A 4.8 A 3.2 A 1.8 A Vo=5.0 V Vo=0.75 V Remote Off Input Current - 3 mA 100 mA 20 mA 5 mA Input Reflected Ripple Current (pk-pk) - 120 mA 200 mA Input Reflected Ripple Current (rms) - 60 mA 100 mA Input Voltage Vo, set≤3.3 V Vo, set=5.0 V Input Current (full load) Input Current (no load) 2 I t Inrush Current Transient Turn-on Voltage Threshold Vo, set≤3.3 V Vo, set=5.0 V Turn-off Voltage Threshold Vo, set≤3.3 V Vo, set=5.0 V 2 With simulated source impedance of 1 uH, 5 Hz to 20 MHz and two 100 uF/25 V external input tantalum capacitors. 2 - 0.002 A s 0.02 A s - 4.3 V 6.0 V 4.5 V 6.5 V - 4.0 V 5.5 V 4.3 V 6.0 V Shut down or below 90% set point. Output Specifications Parameter Output Voltage Set Point 1 Output Voltage Set Point Load Regulation Line Regulation Regulation Over Temperature (-40 °C to +85 °C) Output Current Current Limit Threshold Short Circuit Surge Transient Ripple and Noise (pk-pk) Vo=5.0 V Vo=3.3 V Vo=0.75 V Ripple and Noise (rms) Vo=5.0 V Vo=3.3 V Vo=0.75 V Turn on Time Overshoot at Turn on Output Capacitance ESR ≥ 1mohm ESR ≥ 10mohm Transient Response 50% ~ 100% Max Load Settling Time All outputs 100% ~ 50% Max Load Settling Time Min -2%Vo,set -2.5%Vo,set -0.7%Vo,set -0.7%Vo,set Typ 0.4%Vo,set 0.3%Vo,set Max 2%Vo,set 3.5%Vo,set 0.7%Vo,set 0.7%Vo,set - 0.5%Vo,set - 0A 6.8 A - 2 0.25 A s 6A 15 A - - 100 mV 80 mV 35 mV 140 mV 120 mV 7 0 mV - 35 mV 25 mV 10 mV 6 mS 0% 50 mV 40 mV 15 mV 12 mS 3% 0 uF 0 uF - 1000 uF 2200 uF - 200 mV 25 uS 200 mV 25 uS 350 mV 50 uS 350 mV 50 uS Notes Vin=12 V, full load Io=Io, min to Io, max Vin=Vin, min to Vin, max Tref=Ta, min to Ta, max Tested with 0-20 MHz, with 10 uF/10 V tantalum capacitor & 1 uF/10 V ceramic capacitor at the output di/dt=2.5 A/uS; Vin=12 V; and with 10 uF/10 V tantalum capacitor & 1uF/10 V ceramic capacitor at the output. Notes: All specifications are typical at nominal input (Vin=12 V), full load at 25 °C unless otherwise stated. 1. Over all operating input voltages, resistive loads and temperature conditions. 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 - 5.0 Vdc/6 A Output General Specifications Parameter Min Typ Max 88% 85% 80% 68% 220 kHz 0.7525 V 92% 88% 84% 73% 250 kHz - Notes Efficiency Vo=5.0 V Vo=3.3 V Vo=1.8 V Vo=0.75 V Switching Frequency Output Voltage Trim Range (wide trim) MTBF - Measured at Vin=12 V, full load 280 kHz 5V 3,079,469 hours Calculated Per Bell Core SR-332 (Vin=12 V; Vo=3.3 V, IO=4.8 V; Ta = 25 °C) Dimensions Inches (L × W × H) Millimeters (L × W × H) 0.8 x 0.45 x 0.251 20.32 x 11.42 x 6.38 Surface Mount Dimensions Inches (L × W × H) Millimeters (L × W × H) Weight - 1.0 x 0.5 x 0.243 25.4 x 12.7 x 6.16 5g - Vertical Mount 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) Signal Low (Unit On) Signal High (Unit Off) Voltage Sequencing Sequencing Voltage Sequencing Slew Rate Capability Sequencing Delay Time Min Typ Max -0.3 V 2.5 V -0.3 V 2.5 V - 0.4 V 14 V 0.4 V 14 V 0.05 V - Vin - - 2 V/mS 10 mS - - - 100 mV 200 mV 200 mV 400 mV Notes xRBA-06E2A0; Remote On/Off pin open, Unit on. xRBA-06E2AL; Remote On/Off pin open, Unit on. Sequencing Voltage should be higher than output voltage. Delay from Vin, min to application of voltage on SEQ pin Tracking Accuracy Power-Up Power-Down Output Trim Equations Equation for calculating the trim resistor (in kΩ) given the desired adjusted voltage (Vadj) is shown below. The Trim Up resistor should be connected between the Trim pin and Ground. Vout Rtrim 10.507 = −1 Vadj − 0.7525 Module Trim Rtrim GND Equation for calculating the trim voltage (in V) given the desired adjusted voltage (Vadj) is shown below. The Trim Up voltage should be connected between the Trim pin and Ground. Vout Vtrim = 0.7 − 0.0667 × (Vadj − 0.7525) 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 - 5.0 Vdc/6 A Output Efficiency Data MODULE 3.3V 100.0% 100.0% 80.0% 60.0% 40.0% 20.0% 0.0% 7.0V 12.0V 14.0V 1A 2A 3A 4A EFFICIENCY EFFICIENCY MODULE 5.0V 80.0% 60.0% 4.5V 12.0V 14.0V 40.0% 20.0% 0.0% 5A 1A OUTPUT CURRENT MODULE 1.8V 90.0% 4.5V 12.0V 14.0V 80.0% 70.0% 60.0% EFFICIENCY EFFICIENCY 3A 4A 5A MODULE 0.75V 100.0% 0.6A 2A OUTPUT CURRENT 90.0% 4.5V 12.0V 14.0V 80.0% 70.0% 60.0% 50.0% 1.5A 3.0A 4.5A OUTPUT CURRENT 6.0A 0.6A 1.5A 3.0A 4.5A 6.0A 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 - 5.0 Vdc/6 A Output Thermal Derating Curves SRBA-06E2Ax, Vo=0.75 V VRBA-06E2Ax, Vo=0.75 V SRBA-06E2Ax, Vo=2.5 V VRBA-06E2Ax, Vo=2.5 V SRBA-06E2Ax, Vo=5.0 V VRBA-06E2Ax, 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 4.5 Vdc -14 Vdc Input 0.75 Vdc - 5.0 Vdc/6 A Output Ripple and Noise Waveforms Ripple and noise at full load, Vo=0.75 V Ripple and noise at full load, Vo=1.8 V Ripple and noise at full load, Vo=3.3 V Ripple and noise at full load, Vo=5.0 V Note: Ripple and noise at 12 V input, 0-20 MHz BW, 10 uF/10 V tantalum capacitor and 1 uF/10 V ceramic capacitor, 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 - 5.0 Vdc/6 A Output Transient Response Waveforms 50% to 100% load step at 0.75 V output 50% to 100% load step at 1.8 V output 100% to 50% load step at 0.75 V output 100% to 50% load step at 1.8 V output 50% to 100% load step at 3.3 V output 100% to 50% load step at 3.3 V output 50% to 100% load step at 5.0 V output 100% to 50% load step at 5.0 V output Note: Transient response at 12 V input, di/dt=2.5 A/uS, with 10 uF/10 V tantalum capacitor and 1uF/10 V ceramic capacitor, 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 - 5.0 Vdc/6 A Output Mechanical Outline SRBA-06E2Ax Pin Connections Pin Function 1 Remote On/Off 2 Vin+ 3 SEQ 4 Ground 5 Trim 6 Vout+ RECOMMENDED PAD LAYOUT PAD SIZE: MIN: 0.12"* 0.095" (3.05mm * 2.41mm) MAX: 0.135"* 0.11" (3.43mm * 2.79mm) 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 - 5.0 Vdc/6 A Output Mechanical Outline (continued) VRBA-06E2Ax Pin Connections Pin Function 1 Vout+ 2 Trim 3 Ground 4 SEQ 5 Vin+ 6 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. 011207 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