NON-ISOLATED DC/DC CONVERTERS 6 Vdc - 14 Vdc Input 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Mar. 19, 2010 SRBC-30E2AL RoHS Compliant Rev.H • Non-Isolated • Under-Voltage Lockout (UVLO) • High Efficiency • Over Temperature ShutDown • Fixed Frequency • OCP/SCP • Wide Trim • Remote On/Off • Low Cost • Remote Sense • Flexible Output Voltage Sequencing • Parallel Operation With Active Current Sharing (Option) • Industrial Temperature Range • UL60950-1 Recognized (UL/cUL) 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 Input Voltage 6 V - 14 V Vo ＞ 2.5 V Max. Output Current 30 A Max. Output Power 75 W Typical Efficiency 87% 25 A 90 W 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 1 2 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 Min Typ Max Input Voltage (continuous) -0.3 V - 15 V Output Enable Terminal Voltage -0.3 V - 15 V Ambient Temperature -40 °C - 85 °C Storage Temperature -55 °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 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Mar. 19, 2010 Input Specifications Parameter Input Voltage Min 6V Typ 12 V Max 14 V Input Current (full load) - - 26 A Input Current (no load) - 150 mA 300 mA Remote Off Input Current - 2 mA - Input Reflected Ripple Current (pk-pk) - 100 mA - Input Reflected Ripple Current (rms) - 40 mA - I t Inrush Current Transient - - 1A s Turn-on Voltage Threshold - 5.0 V - Turn-off Voltage Threshold - 4.6 V - 1 2 Notes 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 25°C. 2 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 Min Typ Max -1.5% Vo,set - 1.5% Vo,set Load Regulation - - 0.4% Vo,set Line Regulation - - 0.3% Vo,set - - 0.8% Vo,set 0A 0A - 30 A 25 A 105% Io 140% Io Output Voltage Set Point Regulation Over Temperature (-40 °C to +85 °C) Output Current Vo, set ≤ 2.5 V Vo, set ＞ 2.5 V Current Limit Threshold 2 Notes 2 Short Circuit Surge Transient - 1A s 3A s Ripple and Noise (pk-pk) - 50 mV 100 mV Ripple and Noise (rms) - 30 mV 60 mV Turn on Time - 10 mS 20 mS - - 3% Vo,set 242 uF - 10000 uF Overshoot at Turn on Output Capacitance Vin=12 V, Io=half load 0-20 MHz BW ESR＞0.01 ohm max 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 Note: All specifications are typical at nominal input, full load at 25°C, 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 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Mar. 19, 2010 General Specifications Parameter Min Typ Max - 92% 87% 77% - Switching Frequency - 300 kHz - Over Temperature Shutdown - 125 °C - 0.8 V - 3.63 V - - 0.5 V Notes Efficiency Vo=3.3 V Vo=1.8 V Vo=0.8 V Output Trim Range (Wide Trim) Remote Sense Compensation MTBF Measured at Vin=12 V, full load Calculated Per Bell Core SR-332 (IO =80% Iomax; Vo=3.3 V; Vin=12 V; 200LFM forced air flow; Ta = 25 °C) 3,289,732 hours Dimensions Inches (L × W × H) Millimeters (L × W × H) 1.3 x 0.53 x 0.358 33 x 13.5 x 9.10 Weight - 6.5 g - Note: All specifications are typical at 25 °C unless otherwise stated. Control Specifications Parameter Remote On/Off Min Typ Max Signal Low (Unit On) -0.3 V - 1.2 V Signal High (Unit Off) 3V - Vin, max 10 mS - - - - 2 V/mS - 100 mV 200 mV 200 mV 400 mV Forced Load Share Accuracy - 10% Io - Number of Units in Parallel - - 5 Notes When Enable pin floating ,the unit is on. Voltage Sequencing Sequencing Delay Time Sequencing Slew Rate Capability Tracking Accuracy Delay from Vin min to application of voltage on SEQ pin Vin min to Vin max; Io min to Io max; Vseq<Vo Power-Up Power-Down Output Trim Equations Equation for calculating the trim resistor (in Ω) 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 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Mar. 19, 2010 Efficiency Data Efficiency Curve 90% 85% Efficiency 6V 80% 12 V 75% 14 V 70% 65% 60% 3 7.5 15 22.5 30 Output Current (A) Vo=0.8 V Efficiency Curve 95% Efficiency 90% 6V 12 V 14 V 85% 80% 75% 70% 65% 3 7.5 15 22.5 30 Output Current (A) Vo=1.8 V Efficiency Curve 100% 95% Efficiency 6V 90% 12 V 14 V 85% 80% 75% 70% 2.5 6.25 12.5 18.75 25 Output Current (A) 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 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Mar. 19, 2010 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 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Mar. 19, 2010 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 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Mar. 19, 2010 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 Function Pin Function 1 On/Off 6 Trim 2 Vin 7 SENSE 3 SEQ 8 GND(-H) 4 GND 9 SHARE 5 Vout 10 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 0.8 Vdc - 3.63 Vdc/25 A or 30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Mar. 19, 2010 Revision History Date Revision 2010-3-19 H Changes Detail Approval 1. Update thermal derating curves; 2. Change to new datasheet format; 3. Add part number explanation. XF RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. ©2010 Bel Fuse Inc. Specifications subject to change without notice. 031910 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