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| NON-ISOLATED DC/DC CONVERTERS 6 Vdc - 14 Vdc Input Mar. 19, 2010 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. RoHS Compliant * * * * * * * SRBC-30E2AL * * * * * * * Non-Isolated High Efficiency Fixed Frequency Wide Trim Low Cost Rev.H Under-Voltage Lockout (UVLO) Over Temperature ShutDown OCP/SCP Remote On/Off Remote Sense Parallel Operation With Active Current Sharing (Option) UL60950-1 Recognized (UL/cUL) Flexible Output Voltage Sequencing Industrial Temperature Range Description The Bel SRBC-30E2AL is part of the non-isolated dc/dc converter Power Module series. The modules use a SMT package. These converters are available in a range of output voltages from 0.8 Vdc to 3.63 Vdc over a wide range of input voltage (Vin = 6 Vdc - 14 Vdc). The Bel SRBC-30E2AL 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 Vo 2.5 V Vo 2.5 V Input Voltage 6 V - 14 V Max. Output Current 30 A 25 A Max. Output Power 75 W 90 W Typical Efficiency 87% 92% Model Number Active Low SRBC-30E2AL Note: Add "G" suffix at the end of the model number to indicate Tray Packaging. Part Number Explanation S R BC - 30 E 2A L 12 3 4 5 6 7 1---Surface mount 2---RoHS 6, change "R" to "7" means RoHS 5 3---Series name, bobcat 4---Series code 5--- Input range (6-14V) 6---Output voltage, wide trim 7---Suffix, active low 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. 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 6 Vdc - 14 Vdc Input Mar. 19, 2010 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Min 6V Typ 12 V 150 mA 2 mA 100 mA Max 14 V 26 A 300 mA With simulated source impedance of 1000 nH, 5 Hz to 20 MHz, and use a 220 uF/25 V AL-Cap, 270 uF/16 V Osc-Cap and 2 x 22 uF/25 V ceramic capacitors at 100 kHz at 25C. 2 Input Specifications Parameter Input Voltage 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 1 Notes - 40 mA 5.0 V 4.6 V 1A s - Notes: 1.This power module is not internally fused. An input line fuse must always be used. 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 (-40 C to +85 C) Output Current Vo, set 2.5 V Vo, set 2.5 V 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=3.3 V 150 mV 25 uS 150 mV 25 uS di/dt=1 A/uS; Vin=12 V Min -1.5% Vo,set 0A 0A 105% Io 242 uF Typ 140% Io 1A s 50 mV 30 mV 10 mS 2 Max 1.5% Vo,set 0.4% Vo,set 0.3% Vo,set 0.8% Vo,set 30 A 25 A 3A s 100 mV 60 mV 20 mS 3% Vo,set 10000 uF 2 Notes Vin=12 V, Io=half load 0-20 MHz BW ESR0.01 ohm max Note: All specifications are typical at nominal input, full load at 25C, with a 22 uF ceramic and a 220 uF tantalum cap at the output 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 6 Vdc - 14 Vdc Input Mar. 19, 2010 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Min Vo=3.3 V Vo=1.8 V Vo=0.8 V 0.8 V Typ 92% 87% 77% 300 kHz 125 C 3,289,732 hours Max 3.63 V 0.5 V Calculated Per Bell Core SR-332 (IO =80% Iomax; Vo=3.3 V; Vin=12 V; 200LFM forced air flow; Ta = 25 C) Notes Measured at Vin=12 V, full load General Specifications Parameter Efficiency Switching Frequency 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 1.3 x 0.53 x 0.358 33 x 13.5 x 9.10 6.5 g - Note: All specifications are typical at 25 C unless otherwise stated. Control Specifications Parameter Remote On/Off Signal Low (Unit On) Signal High (Unit Off) Voltage Sequencing Sequencing Delay Time Sequencing Slew Rate Capability Tracking Accuracy Power-Up Power-Down Forced Load Share Accuracy Number of Units in Parallel 100 mV 200 mV 10% Io 200 mV 400 mV 5 10 mS 2 V/mS Vin min to Vin max; Io min to Io max; Vseq 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. R trim 1200 = - 100 Vo - 0 . 8 Vout Sense Module trim Rtrim 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 6 Vdc - 14 Vdc Input Mar. 19, 2010 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Efficiency Data Efficiency Curve 90% 85% 6V Efficiency 80% 75% 70% 65% 60% 3 7.5 15 22.5 30 Output Current (A) 12 V 14 V Vo=0.8 V Efficiency Curve 95% 90% Efficiency 85% 80% 75% 70% 65% 3 7.5 15 22.5 30 Output Current (A) 6V 12 V 14 V Vo=1.8 V Efficiency Curve 100% 95% 6V Efficiency 90% 85% 80% 75% 70% 2.5 6.25 12.5 18.75 25 Output Current (A) 12 V 14 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 6 Vdc - 14 Vdc Input Mar. 19, 2010 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Thermal Derating Curves Vin=12 V, Vo=0.8 V Vin=12 V, Vo=1.8 V Vin=12 V, Vo=3.3 V Note: Maximum junction temperature of semiconductors derated to 120C. 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 6 Vdc - 14 Vdc Input Mar. 19, 2010 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Ripple and Noise Waveforms 0.8 Vdc/30 A output 1.8 Vdc/30 A output 3.3 Vdc/25 A output Note: Ripple and noise at full load, 12 Vdc input, with a 22 uF ceramic cap and a 220 uF Tantalum cap 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 6 Vdc - 14 Vdc Input Mar. 19, 2010 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Transient Response Waveforms Vout= 0.8 V 50%-100% Load Transients Vout= 0.8 V 100%-50% Load Transients Vout= 1.8 V 50%-100% Load Transients Vout= 1.8 V 100%-50% Load Transients Vout= 3.3 V 50%-100% Load Transients Vout= 3.3 V 100%-50% Load Transients Note: Transients response at di/dt=1 A/uS, 12 V input, 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 6 Vdc - 14 Vdc Input Mar. 19, 2010 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Mechanical Outline Pin Connections Pin 1 2 3 4 5 Function On/Off Vin SEQ GND Vout Pin 6 7 8 9 10 Function Trim SENSE GND(-H) SHARE GND(-H) 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 6 Vdc - 14 Vdc Input Mar. 19, 2010 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Revision History Date 2010-3-19 Revision H Changes Detail 1. Update thermal derating curves; 2. Change to new datasheet format; 3. Add part number explanation. Approval XF RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. (c)2010 Bel Fuse Inc. Specifications subject to change without notice. 031910 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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