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| NON-ISOLATED DC/DC CONVERTERS 4.5 Vdc - 14 Vdc Input 0.75 Vdc - 3.63 Vdc/16 A Output SRBC-16E2AX * * * * * * * * Non-Isolated High Efficiency High Power Density RoHS Compliant * * * * * * * * Rev.A Under-voltage Lockout (UVLO) Over Temperature Protection OCP/SCP Wide Input Wide Trim Remote On/Off Active Low/High (option) Remote Sense Excellent Thermal Performance Low Cost Flexible Output Voltage Sequencing (option) Able to Sink & Source Current Industrial Temperature Range Description The Bel SRBC-16E2AX is part of the non-isolated dc/dc converter series. The modules use a SMT 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 SRBC-16E2AX has a sequencing feature that enables designers to implement various types of output voltage sequencing when powering. The efficiency is typically 92% at 3.3 Vdc output 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 92% Model Number Active Low SRBC-16E2AL Model Number Active High SRBC-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. SRBC-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 V Vo,set 3.0 V 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 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. 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 4.2 V 2 150 mA 0.4 A s 4.2 V 2 Output Specifications Parameter 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) 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 150 mV 50 uS 150 mV 50 uS di/dt=2.5 A/uS; Vin=12 V; and with 2 x 150 uF polymer capacitors at the output Min -2% Vo,set 0A Typ 0.1% Vo,set 0.1% Vo,set 0.3% Vo,set 180% Io 1A s 30 mV 12 mV 12 mS 2 Max 2% Vo,set 16 A 3A s 75 mV 30 mV 20 mS 1% Vo,set 5000 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 Over Temperature Shutdown 1 Min 200 kHz 0.7525 V - Typ 92% 90% 88% 87% 85% 79% 92% 90% 87% 86% 83% 78% 230 kHz 130 C 2,666,488 hours Max 260 kHz 3.63 V 0.5 V Notes Measured at Vin=12 V, full load Measured at Vin=5 V, full load Output Trim Range (Wide Trim) Remote Sense Compensation MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight Calculated Per Bell Core SR-332 (IO =80% Iomax; Vo=3.3 V; Vin=12 V; Ta = 25 C) 1.30 x 0.53 x 0.315 33.02 x 13.46 x 8.00 8g - 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 200 mV 200 mV 400 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/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 Rtrimup = 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 Vtrimup = 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 3.3V MODULE 2.5V EFFICIENCY 100% 90% 80% 70% 60% 1.6 4.0 8.0 12.0 16.0 5.0V 12.0V EFFICIENCY 100% 90% 80% 70% 1.6 4.0 8.0 12.0 16.0 OUTPUT CURRENT 5.0V 12.0V OUTPUT CURRENT MODULE 1.8V 100% 90% 80% 70% 60% 1.6 4.0 8.0 12.0 16.0 OUTPUT CURRENT 5.0V 12.0V MODULE 1.5V EFFICIENCY 100% 90% 80% 70% 60% 1.6 4.0 8.0 12.0 16.0 OUTPUT CURRENT 5.0V 12.0V EFFICIENCY MODULE 1.2V 100% 90% 80% 70% 60% 50% 1.6 4.0 8.0 12.0 16.0 OUTPUT CURRENT MODULE 0.75V 100% 90% 80% 70% 60% 50% 1.6 4.0 8.0 12.0 16.0 OUTPUT CURRENT 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/16 A Output Thermal Derating Curves Vin=5 V, Vo=0.75 V Vin=12 V, Vo=0.75 V Vin=5 V, Vo=1.8 V Vin=12 V, Vo=1.8 V Vin=5 V, Vo=3.3 V Vin=12 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/16 A Output Ripple and Noise Waveforms Vin=5 V, Vo=0.7525 V Vin=12 V, Vo=0.7525 V Vin=5 V, Vo=1.2 V Vin=12 V, Vo=1.2 V Vin=5 V, Vo=1.5 V Vin=12 V, Vo=1.5 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 Ripple and Noise Waveforms (continued) Vin=5 V, Vo=1.8 V Vin=12 V, Vo=1.8 V Vin=5 V, Vo=2.5 V Vin=12 V, Vo=2.5 V Vin=5 V, Vo=3.3 V Vin=12 V, Vo=3.3 V Note: Ripple and noise at full load, with 10uF tantalum capacitor and 1uF ceramic at the output, and Ta=25. 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=0.75 V 100% to 50% load Transient at Vin=5 V, Vo=0.75 V 50% to 100% load Transient at Vin=5 V, Vo=1.2 V 100% to 50% load Transient at Vin=5 V, Vo=1.2 V 50% to 100% load Transient at Vin=5 V, Vo=1.5 V 100% to 50% load Transient at Vin=5 V, Vo=1.5 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 Transient Response Waveforms (continued) 50% to 100% load Transient at Vin=5 V, Vo=1.8 V 100% to 50% load Transient at Vin=5 V, Vo=1.8 V 50% to 100% load Transient at Vin=5 V, Vo=2.5 V 100% to 50% load Transient at Vin=5 V, Vo=2.5 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 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 (continued) 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=12 V, Vo=1.2 V 100% to 50% load Transient at Vin=12 V, Vo=1.2 V 50% to 100% load Transient at Vin=12 V, Vo=1.5 V 100% to 50% load Transient at Vin=12 V, Vo=1.5 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 Transient Response Waveforms (continued) 50% to 100% load Transient at Vin=12 V, Vo=1.8 V 100% to 50% load Transient at Vin=12 V, Vo=1.8 V 50% to 100% load Transient at Vin=12 V, Vo=2.5 V 100% to 50% load Transient at Vin=12 V, Vo=2.5 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 with external load capacitance Cext=2x150uF (Polymer capacitors), and Ta=25. 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 Function Remote On/Off Vin SEQ Ground Vout Trim Remote Sense RECOMMENDED PAD LAYOUT PAD SIZE: MIN: 0.14"* 0.095" (3.56mm * 2.41mm) MAX: 0.165"* 0.11" (4.19mm * 2.79mm) 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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