SRBC-10F1AX

NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output SRBC-10F1Ax • • • • • • 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 Sense Active Low/High (Option) Fixed Frequency (300 kHz) Remote On/Off Converter Can Sink and Source Current Description The Bel SRBC-10F1Ax modules are a series of non-isolated dc/dc converters that deliver up to 10 A of output current with full load efficiency of 95% at 3.3 Vdc output. These modules provide precisely regulated voltage programmable via external resistor from 0.75 Vdc to 3.63 Vdc over a wide range of input voltage. The openframe construction and small footprint enable designers to develop cost and space-efficient solutions. Standard features include remote On/Off, over current protection, short current protection, wide input, and programmable output voltage. Part Selection Output Voltage 0.75 V - 3.63 V 1 Input Voltage 2.4 V - 5.5 V Max. Output Current 10 A Max. Output Power 36 W Typical Efficiency 95% Model Number Active Low SRBC-10F1AL Model Number Active High SRBC-10F1A0 Notes: 1. These modules use a buck topology, so the output voltages must be 0.5 V less than the input voltage. 2. Add “G” to the end of the Model Number to indicate Tray Packaging. 3. 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 Ambient Temperature Storage Temperature Min -0.3 V -0.3 V -40 °C -55 °C Typ Max 5.8 V 5.8 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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Input Specifications Parameter Input Voltage Input Current (full load) Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V Vo=0.75 V Input Current (no load) Remote Off Input Current Input Reflected Ripple Current (pk-pk) Min 2.4 V Typ 7.0 A 5.5 A 4.0 A 3.5 A 3.0 A 2.0 A 80 mA 15 mA 140 mA Max 5.5 V 8.0 A 9.5 A 9.0 A 7.5 A 6.0 A 4.0 A With simulated source impedance of 1 uH, 5 Hz to 20 MHz and two 100 uF /10 V external input Tantalum capacitors at the input. 2 Notes Vo, set ≤ Vin-0.5 V Input Reflected Ripple Current (rms) I t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold 2 - 40 mA 2.2 V 2.0 V 0.2 A s - Note: All specifications are typical at 25 °C unless otherwise stated. Output Specifications Parameter Output Voltage Set Point 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 ESR ≥1 mohm ESR ≥10 mohm Min -2% Vo,set -3% Vo,set 0A 15 A 0 uF 0 uF Typ 0.4% Vo,set 0.3% Vo,set 0.5% Vo,set 25 mV 8 mV 4 mS 0% Max 2% Vo,set 3% Vo,set 10 A 27 A 1.5 A s 50 mV 15 mV 8 mS 3% 1000 uF 4700 uF Tested with 0-20MHz, with external 10uF/16V tantalum capacitor & 1uF/10V TDK ceramic capacitor 2 Notes Vin=5 V, lo=lo max Over all operating input voltage, resistive load, and temperature conditions lo=lomin to lomax Vin=Vinmin to Vinmax 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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Output Specifications (continued) Parameter Transient Response 50% ~ 100% Max Load Settling Time 100% ~ 50% Max Load Settling Time 50% ~ 100% Max Load Settling Time 100% ~ 50% Max Load Settling Time 50% ~ 100% Max Load Settling Time 100% ~ 50% Max Load Settling Time 50% ~ 100% Max Load Settling Time 100% ~ 50% Max Load Settling Time 50% ~ 100% Max Load Settling Time 100% ~ 50% Max Load Settling Time 50% ~ 100% Max Load Settling Time 100% ~ 50% Max Load Settling Time Min Typ 130 mV 50 uS 150 mV 50 uS 130 mV 50 uS 130 mV 50 uS 120 mV 50 uS 120 mV 50 uS 120 mV 50 uS 120 mV 50 uS 130 mV 50 uS 130 mV 50 uS 120 mV 50 uS 140 mV 50 uS Max Notes VO = 3.3 V VO = 2.5 V VO = 1.8 V VO = 1.5 V di/dt=2.5 A/uS; Vin=5 V; and with external 2 × 150 uF/16 V Tantalum capacitors and 1 uF /10 V ceramic capacitor at the output VO =1.2 V VO = 0.75 V Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated. 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 Switching Frequency Over Temperature Shutdown Output Voltage Trim Range Remote Sense Compensation MTBF Dimensions Inches (L × W × H) Millimeters (L × W × H) Weight 1.3 x 0.53 x 0.315 33.02 x 13.46 x 8.00 6.6 g 92% 90% 88% 87% 85% 79% 250 kHz 0.7525 V 95% 93% 91% 90% 88% 82% 300 kHz 125 °C 10% 6,643,156 hours 350 kHz 3.63 V Measured at Vin=5 V, full load Min Typ Max Notes Total adjustment of trim, setpoint and remote sense combined should not exceed 3.63 V. Vo=0.7525 V when trim pin open Calculated Per Bell Core SR-332 (IO = 80% Io, max; Vo=1.8 V; Vin=5.0 V; Ta = 25 °C) 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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Control Specifications Parameter Remote On/Off Signal Low (Unit Off) Signal High (Unit On) Signal Low (Unit On) Signal High (Unit Off) -0.3 V 1.5 V -0.3 V 1.5 V 0.3 V 5.8 V 0.3 V 5.8 V SRBC-10F1A0; Remote On/Off pin open, Unit on. SRBC-10F1AL; Remote On/Off pin open, Unit on. Min Typ Max Notes Remote Enable Specifications The SRBC-10F1AL modules feature an enable pin with negative logic. If not using the enable pin, leave the pin open (the module will be on). During logic_high, the module is turned off, during logic_low, the module is turned on. It inner circuit impedance is showed as figure. SRBC-10F1AL The SRBC-10F1A0 modules feature an enable pin with Positive logic. If not using the enable pin, leave the pin open (the module will be on). During logic_high, the module is turned on, during logic_low, the module is turned off. It inner circuit impedance is showed as figure. SRBC-10F1A0 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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Output Trim Equations Equation for calculating the trim resistor (in KΩ) given the desired adjusted voltage (Vadj) is shown below. The Trim Up resistor should be connected between the Trim pin and Ground. Vout Rtrim = 21.07 − 5.11 Vadj − 0.7525 Module Trim GND Rtrim Equation for calculating the trim voltage (in V) given the desired adjusted voltage (Vadj) is shown below. The Trim Up voltage should be connected between the Trim pin and Ground. Vout Vtrim = 0.7 − 0.1698 × (Vadj − 0.7525) 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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Efficiency Data 3.3V Vout 2.5V Vout 97.0% 95.0% Efficiency Efficiency 95.0% 90.0% 85.0% 80.0% 3.0V 3.3V 5.0V 5.5V 1.0 2.0 3.0 4.0 5.0 6.0 Output Current (A) 7.0 8.0 9.0 10.0 93.0% 91.0% 89.0% 87.0% 85.0% 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 4.5V 5.0V 5.5V 75.0% Output Current (A) 1.8V Vout 1.5V Vout 95.0% 95.0% 90.0% Efficiency Efficiency 90.0% 85.0% 80.0% 75.0% 1.0 2.0 3.0 4.0 5.0 6.0 Output Current (A) 7.0 8.0 9.0 10.0 3.0V 3.3V 5.0V 5.5V 85.0% 80.0% 75.0% 70.0% 1.0 2.0 3.0 4.0 5.0 6.0 Output Current (A) 7.0 8.0 9.0 3.0V 3.3V 5.0V 5.5V 10.0 1.2V Vout 95.0% 90.0% 85.0% Efficiency 80.0% 75.0% 70.0% 65.0% 60.0% 1.0 2.0 3.0 4.0 5.0 6.0 Output Current (A) 7.0 8.0 9.0 3.0V 3.3V 5.0V 5.5V 10.0 0.75V Vout 90.0% 85.0% Efficiency 80.0% 75.0% 70.0% 65.0% 60.0% 55.0% 1.0 2.0 3.0 4.0 5.0 6.0 Output Current (A) 7.0 8.0 9.0 3.0V 3.3V 5.0V 5.5V 10.0 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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Thermal Derating Curves Vin=5.0 V, Vo=0.75 V Vin=5.0 V, Vo=1.5 V Vin=5.0 V, Vo=2.5 V Vin=5.0 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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Thermal Derating Curves (continued) Vin=3.3 V, Vo=0.75 V Vin=3.3 V, Vo=1.5 V Vin=3.3 V, Vo=2.5 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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Ripple and Noise Waveforms Vin=5.0 V, Vo=0.75 V Vin=5.0 V, Vo=1.2 V Vin=5.0 V, Vo=1.5 V Vin=5.0 V, Vo=1.8 V Vin=5.0 V, Vo=2.5 V Vin=5.0 V, Vo=3.3 V Note: Ripple and noise is tested at 0-20 MHz BW, 10 uF/16 V tantalum capacitor and 1 uF/10 V ceramic capacitor, full load, 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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Transient Response Waveforms 50% to 100% load step at Vin=5 V, Vo=0.75 V 100% to 50% load step at Vin=5 V, Vo=0.75 V 50% to 100% load step at Vin=5 V, Vo=1.2 V 100% to 50% load step at Vin=5 V, Vo=1.2 V 50% to 100% load step at Vin=5 V, Vo=1.5 V 100% to 50% load step 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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Transient Response Waveforms (continued) 50% to 100% load step at Vin=5 V, Vo=1.8 V 100% to 50% load step at Vin=5 V, Vo=1.8 V 50% to 100% load step at Vin=5 V, Vo=2.5 V 100% to 50% load step at Vin=5 V, Vo=2.5 V 50% to 100% load step at Vin=5 V, Vo=3.3 V 100% to 50% load step at Vin=5 V, Vo=3.3 V Note: Transient response is tested at di/dt=2.5 A/uS, with two 150 uF/16 V tantalum capacitors and 1uF/10 V ceramic capacitor, 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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Mechanical Outline Pin Connections Pin 1 2 3 4 5 6 7 Function Remote On/Off Vin N/A 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. ©2007 Bel Fuse Inc. Specifications subject to change without notice. 011807 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