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| NON-ISOLATED DC/DC CONVERTERS 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/16 A Output VRBC-16E2Ax * * * * * * * Non-Isolated High Efficiency Fixed Frequency Low Cost Wide Trim RoHS Compliant * * * * * * * Rev.A Under-Voltage Lockout (UVLO) Over Temperature ShutDown OCP/SCP Remote Sense Remote On/Off Industrial Temperature Range (option) Active Low/High (Option) Flexible Output Voltage Sequencing (option) Wide Input Description The Bel VRBC-16E2Ax is part of the non-isolated dc/dc 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-16E2Ax has a sequencing feature that enables designers to implement various types of output voltage sequencing when powering. The efficiency is typically 93.5% at 3.3 Vdc output and 5 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 16 A Max. Output Power 58 W Typical Efficiency 93.5% Model Number Active Low VRBC-16E2AL Model Number Active High VRBC-16E2A0 Notes: 1. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. 2. Add "G" suffix at the end of the model number to indicate Tray Packaging. 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-16E2Ax 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/16 A Output Input Specifications Parameter Input Voltage Vo,set < 3.0 Vo,set 3.0 Input Current (full load) Input Current (no load) Remote Off Input Current Input Reflected Ripple Current (pk-pk) 4.5 V Vo,set+1.5 V 100 mA 2 mA 14 V 14 V 15 A 400 mA Tested with one 1000 uF/25 V AL input capacitor with ESR=0.03 ohm max and 6 x 47uF/16 V tan capacitors with ESR=0.013 ohm max at 100 kHz, & simulated source impedance of 1000 nH, 5 Hz to 20 MHz. Min Typ Max Notes Input Reflected Ripple Current (rms) I t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold 2 3.7 V 0.2 A s 4.3 V 2 150 mA 0.4 A s 4.2 V 2 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 All 100 mV 80 uS 100 mV 80 uS di/dt=2.5 A/uS; Vin=12 V; and Cext=0 uF. Min -2% Vo,set 0A 0 uF Typ 0.2% Vo,set 0.3% Vo,set 0.3% Vo,set 180% Io,out 1A s 30 mV 12 mV 8 mS 2 Max 2% Vo,set 16 A 3A s 80 mV 35 mV 20 mS 1% Vo,set 5600 uF 2 Notes Vin=12 V, full load Io=Iomin to Iomax Vin=Vinmin to Vinmax Tref=Tamin to Tamax Tested with 0-20 MHz, 10 uF Tantalum capacitor &1 uF TDK 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/16 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 1 Over Temperature Shutdown Output Trim Range (Wide Trim) Remote Sense Compensation MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 2.0x 0.5 x 0.32 50.8 x 12.7 x 8.13 7.1 g Min 250 kHz 0.7525 V Typ 91.7% 90.4% 87.5% 86% 85% 79% 93.5% 91.5% 88.4% 87% 86% 80% 280 kHz 130 C 4,619,490 hours Max 310 kHz 3.63 V 0.5 V Notes Measured at Vin=12 V, full load Measured at Vin=5 V, full load Calculated Per Bell Core SR-332 (IO = 80% Io,max; Vin=12 V; Vo=3.3 V; Ta = 25 C) - Notes: All specifications are typical at 25 C unless otherwise stated. 1. The Tref temperature measurement location: 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 25 mS 100 mV 200 mV 2 V/mS 200 mV 400 mV Vinmin to Vinmax; Iomin to Iomax; Vseq 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/16 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 Rtrim = 10500 - 1000 Vo - 0.7525 Sense 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/16 A Output Efficiency Data MODULE 3.3 V 100% 95% 90% 85% 80% 75% 70% 1.6 4.0 8.0 12.0 16.0 OUTPUT CURRENT MODULE 2.5 V 100% 90% 80% 70% 1.6 4.0 8.0 12.0 16.0 OUTPUT CURRENT 5.0 V 12.0 V EFFICIENCY 5.0 V 12.0 V EFFICIENCY MODULE 1.8 V 100% 95% 90% 85% 80% 75% 70% 1.6 4.0 8.0 12.0 16.0 OUTPUT CURRENT MODULE 1.5 V 105% 95% 85% 75% 65% 1.6 4.0 8.0 12.0 16.0 OUTPUT CURRENT 5.0 V 12.0 V 5.0 V 12.0 V EFFICIENCY EFFICIENCY MODULE 1.2 V 100% 90% 80% 70% 60% 50% 1.6 4.0 8.0 12.0 16.0 OUTPUT CURRENT MODULE 0.75 V 100% 90% 80% 70% 60% 50% 1.6 4.0 8.0 12.0 16.0 OUTPUT CURRENT 5.0 V 12.0 V EFFICIENCY EFFICIENCY 5.0 V 12.0 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 - 3.63 Vdc/16 A Output Thermal Derating Curves Vo=0.75 V; Vin=12.0 V Vo=1.8 V; Vin=12.0 V Vo=3.3 V; Vin=12.0 V Ripple and Noise Waveforms Vin=5.0 V, Vo=3.3 V Vin=12 V, Vo=3.3 V Note: External load with 10 uF tantalum capacitor and 1 uF ceramic at the output, full load, 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/16 A Output Transient Response Waveforms 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: External load capacitor Cext=0 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 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/16 A Output Mechanical Outline Pin Connections Pin 1 2 3 4 5 6 7 8 9 10 11 Function Vo Vo Remote Sense Vo 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. 011607 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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