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| NON-ISOLATED DC/DC CONVERTERS 4.5V-14V Input 0.75V-3.63V/10A Output S7BC-10E2Ax Series * * * * * * * * Non-Isolated High Efficiency High Power Density Excellent Thermal Performance Low Cost Flexible Output Voltage Sequencing (option) Remote Sense Able to Sink & Source Current * * * * * * * * Under-voltage Lockout (UVLO) Over Temperature Protection OCP/SCP Wide Input Wide Trim Remote On/Off Active Low/High (option) Industrial Temperature Range Description The Bel S7BC-10E2Ax is part of the non-isolated DC/DC power converter series. The modules use a SMT package. These converters are available in a range of output voltages from 0.75V to 3.63V over a wide range of input voltage (Vin = 4.5V-14V). The Bel S7BC-10E2Ax has a sequencing feature that enables designers to implement various types of output voltage sequencing when powering. The efficiency is typically 93% at 3.3V output at 12V input at full load. Part Selection Output Voltage 0.75 - 3.63V Input Voltage 4.5V - 14V Max. Output Current 10A Max. Output Power 36.3W Typical Efficiency 93% Model Number Active Low S7BC-10E2AL Model Number Active High S7BC-10E2A0 Note: 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 Ambient Temperature Storage Temperature Min -0.3V -0.3V -0.3V -40C -55C Typ Max 15V 15V Vin 85C 125C Notes Notes: All specifications are typical at 25C unless otherwise stated. 1. S7BC-10E2Ax 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 4.5V-14V Input 0.75V-3.63V/10A 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) 4.5V Vo,set +1.5V 40mA 2mA 14V 14V 8.6A 400mA Tested with one 1000uF/25V AL input capacitor with ESR=0.03 ohm max and 4 x 47uF/16V tan capacitors with ESR=0.013 ohm max at 100KHz, & simulated source impedance of 1000nH, 5Hz to 20MHz. An input line fuse must always be used. Min Typ Max Notes Input Reflected Ripple Current (RMS) I2t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold - 0.04A2s 4.3V 4.0V 150mA 0.08A2s Note: All specifications are typical at 25C 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 Min -2%Vo,set 0A 0uF Typ 0.1%Vo,set 0.1%Vo,set 0.3Vo,set 200% Io,out 2 1A s 30mV 12mV 8mS 160mV 50uS 160mV 50uS Max 2%Vo,set 10A 3A2s 75mV 35mV 20mS 1% 5600uF di/dt=2.5A/uS; Vin=5V & 12V; and with 470uF tantalum capacitor at the output Tested with 0-20MHz, with 10uF tantalum capacitor & 1uF ceramic capacitor at the output Notes Vin=12V, full load Tref=Ta, min to Ta, max VO = 0.75V 3.63V Note: All specifications are typical at nominal input, full load at 25C 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 4.5V-14V Input 0.75V-3.63V/10A Output General Specifications Parameter Efficiency Vo=3.3V Vo=2.5V Vo=1.8V Vo=1.5V Vo=1.2V Vo=0.75V Efficiency Vo=3.3V Vo=2.5V Vo=1.8V Vo=1.5V Vo=1.2V Vo=0.75V Switching Frequency Over Temperature Shutdown Output Voltage Trim Range Remote Sense Compensation MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 1.3 x 0.53 x 0.315 33.02 x 13.46 x 8.00 8g 1 Min 265KHz 0.7525V - Typ 92% 91% 89% 88% 86% 80% 93% 92% 90% 89% 87.5% 81% 300KHz 130C 4,982,651 hours Max 335KHz 3.63V 0.5V Notes Measured at Vin=5V, full load Measured at Vin=12V, full load Calculated Per Bell Core TR-332 (IO =80%Io,max; Vo=3.3V; Vin=12V; Ta = 30C) Note: All specifications are typical at 25C 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 100mV 300mV 200mV 500mV 25mS 2V/mS Vin, min to Vin, max; Io, min to Io, max; 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 4.5V-14V Input 0.75V-3.63V/10A 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 Sense Rtrimup 10500 = - 1000 Vo - 0.7525 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 4.5V-14V Input 0.75V-3.63V/10A Output Efficiency Data Module 3.3V 100.0% Efficiency 95.0% 90.0% 85.0% 80.0% 1A 2.5A 5A Output Current 7.5A 10A 5.0V 12.0V Efficiency 100.0% 95.0% 90.0% 85.0% 80.0% 1A 2.5A Module 2.5V 5.0V 12.0V 5A Output Current 7.5A 10A Module 1.8V 95.0% Efficiency 85.0% 80.0% 75.0% 70.0% 1A 2.5A 5A Output Current 7.5A 10A Efficiency 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 1A 2.5A Module 1.5V 90.0% 5.0V 12.0V 5.0V 12.0V 5A Output Current 7.5A 10A Module 1.2V 100.0% Efficiency 90.0% 80.0% 70.0% 60.0% 50.0% 1A 2.5A Module 0.75V 90.0% Efficiency 80.0% 70.0% 60.0% 50.0% 1A 2.5A 5A Output Current 7.5A 10A 5.0V 12.0V 5.0V 12.0V 5A Output Current 7.5A 10A 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 4.5V-14V Input 0.75V-3.63V/10A Output Thermal Derating Curves S7BC-10E2Ax, Vo=0.75V S7BC-10E2Ax, Vo=1.8V S7BC-10E2Ax, Vo=3.3V 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 4.5V-14V Input 0.75V-3.63V/10A Output Pin Connections Pin 1 2 3 4 5 6 7 Function Remote On/Off Vin+ SEQ Ground Vout+ Trim Remote Sense (c)2004 Bel Fuse Inc. Specifications subject to change without notice. 121004 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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