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| NON-ISOLATED DC/DC CONVERTERS 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output VRBC-10E2AX * * * * * * * Non-Isolated High Efficiency High Power Density RoHS Compliant * * * * * * * * Rev.A Wide Input Wide Trim OCP/SCP Remote On/Off Active Low/High (Option) Over Temperature Protection Under-voltage Lockout (UVLO) Industrial Temperature Range Excellent Thermal Performance Low Cost Flexible Output Voltage Sequencing (Option) Remote Sense Description The Bel VRBC-10E2AX 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 Bel VRBC-10E2AX has a sequencing feature that enables designers to implement various types of output voltage sequencing when powering. The efficiency is typically 94.3% at 3.3 V 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-10E2AL Model Number Active High VRBC-10E2A0 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 Sequencing Voltage 1 Min -0.3 V -0.3 V -0.3 V -40 C -55 C Typ - Max 15 V 15 V Vin 85 C 125 C Notes Ambient Temperature Storage Temperature Notes: All specifications are typical at 25 C unless otherwise stated. 1. VRBC-10E2AX 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 not using the sequencing feature, either tie the SEQ pin to Vin or leave it unconnected. 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 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 Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (rms) I t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold 2 Min 4.5 V Vo,set+1.5 V - Typ 40 mA 2 mA - Max 14 V 14 V 8.6 A 400 mA Notes An input line fuse must always be used. - 0.2 A s 4.3 V 4.0 V 2 150 mA 0.4 A s 2 Tested with one 1000 uF/25 V AL input capacitor with ESR=0.03 ohm max and 4 x 47 uF/16 V Tantalum capacitors with ESR=0.013 ohm max at 100 kHz, & simulated source impedance of 1000 nH, 5 Hz to 20 MHz. Note: All specifications are typical at nominal input, full load at 25 C unless otherwise stated. Output Specifications Parameter Output Voltage Set Point Load Regulation Line Regulation Regulation Over Temperature (-40C to +85C) Output Current Current Limit Threshold Short Circuit Surge Transient Ripple and Noise (pk-pk) Ripple and Noise (rms) Turn on Time Overshoot at Turn on Output Capacitance Transient Response 50% ~ 100% Max Load Settling Time 100% ~ 50% Max Load Settling Time VO = 0.75 V 3.63 V 160 mV 50 uS 160 mV 50 uS di/dt=2.5 A/uS; Vin=5 V & 12 V; and with 470 uF Tantalum capacitor at the output Min -2% Vo,set 0A 0 uF Typ 0.1% Vo,set 0.1% Vo,set 0.3Vo,set 200% Iout 1A s 30 mV 12 mV 8 mS 0% 2 Max 2% Vo,set 10 A 3A s 80 mV 35 mV 20 mS 1% 5600 uF 2 Notes Vin=5 V & 12 V, full load Tref=Tamin to Tamax Tested with 0-20 MHz, with 10 uF tantalum capacitor & 1 uF ceramic capacitor at the output 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 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output General Specifications Parameter Efficiency Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V Vo=0.75 V Efficiency Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V Vo=0.75 V Switching Frequency Over Temperature Shutdown Output Voltage Trim Range Remote Sense Compensation MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 2.0 x 0.5 x 0.32 50.8 x 12.7 x 8.13 7.1 g 265 kHz 0.7525 V 93% 92% 90% 89% 87.5% 81% 300 kHz 130C 5,114,191 hours 335 kHz 3.63 V 0.5 V Calculated Per Bell Core TR-332 (IO = 80%Iomax; Vo=3.3 V; Vin=12 V; Ta = 25 C) Measured at Vin=12 V, full load 94.3% 93% 91.5% 90.8% 89.3% 83% Measured at Vin=5 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) Signal Low (Unit On) Signal High (Unit Off) Voltage Sequencing Sequencing Delay Time Sequencing Slew Rate Capability Tracking Accuracy Power-Up Power-Down 100 mV 300 mV 200 mV 500 mV 25 mS 2 V/mS Vinmin to Vinmax; Iomin to Iomax; Vseq NON-ISOLATED DC/DC CONVERTERS 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Output Trim Equations Equation for calculating the trim resistor (in ) 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 x (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 3.3 V 100% 90% 80% 70% 1.0 2.5 5.0 7.5 10.0 Output Current (A) Efficiency Module 2.5 V Efficiency 100% 90% 80% 1.0 2.5 5.0 7.5 10.0 Output Current (A) 5.0V 12.0V 5.0V 12.0V Module 1.8 V Module 1.5 V 100% 90% 80% 70% 1.0 2.5 5.0 7.5 10.0 Output Current (A) Efficiency Efficiency 100% 90% 80% 70% 1.0 2.5 5.0 7.5 10.0 Output Current (A) 5.0V 12.0V 5.0V 12.0V Module 1.2 V 90% 70% 50% 1.0 2.5 5.0 7.5 10.0 Output Current (A) Module 0.75 V 110% 90% 70% 50% 1.0 2.5 5.0 7.5 10.0 Output Current (A) Efficiency Efficiency 5.0V 12.0V 5.0V 12.0V 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 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=12 V, Vo=0.75 V Vin=5 V, Vo=3.3 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 100% to 50% load Transient at Vin=5 V, Vo=0.75 V 50% to 100% load Transient at Vin=12 V, Vo=0.75 V 100% to 50% load Transient at Vin=12 V, Vo=0.75 V 50% to 100% load Transient at Vin=5 V, Vo=3.3 V 100% to 50% 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=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 1 2 3 4 5 6 7 8 9 10 11 Function Vout Vout Remote Sense Vout Ground Ground Vin Vin SEQ Trim 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. (c)2007 Bel Fuse Inc. Specifications subject to change without notice. 011707 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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