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| NON-ISOLATED DC/DC CONVERTERS 12V Input Vref/2 / 10A Output V7PC-10AT5S * * * * Non-Isolated High Efficiency High Power Density Low Cost * * * * Remote On/Off Under-voltage Lockout (UVLO) OCP/SCP Remote Sense Description The V7PC-10AT5S is a non-isolated step down DC/DC converter that operates from a nominal 12V source. This converter is designed specifically to provide bus termination voltages in applications such as DDR (double data rate) memory where the bus termination voltage must closely track the I/O bus voltage. The converter accepts a reference input and uses this to program its output voltage to 50% of the reference. The unit is packaged in an industry-standard single-in-line footprint and provides a maximum 10A output. Standard features include remote on/off, input under-voltage lockout, over current protection and remote sense. Part Selection Output Voltage Vref/2 Input Voltage 12V Max. Output Current 10A Max. Output Power 12.5W Typical Efficiency 82% Model Number V7PC-10AT5S 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 Ambient Temperature Storage Temperature Min -0.3V -0.3V 0C -40C Typ Max 15V 15V 70C 100C Notes Input Specifications Parameter Input Voltage Input Current (full load) Input Refernce Voltage 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 Min 10.8V 8.0V Typ 3 0.08A s 9.7V 8.8V 2 Max 13.2V 2.1A <3.5V 50mA 15mA 180mA 50mA 0.16A s 10V 2 Notes Tested with a 470uF/16V input capacitor with ESR=0.03 ohm max at 100KHz & simulated source impedance of 500nH, 5Hz to 20MHz. Note: All specifications are tested at Vref=2.5V. 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 12V Input Vref/2 / 10A Output Output Specifications Parameter Output Voltage Set Point Load Regulation Line Regulation Regulation Over Temperature (0C to 70C) Output Current Current Limit Threshold Short Circuit Surge Transient Output Ripple and Noise (pk-pk) Output Ripple and Noise (RMS) Turn on Time Overshoot at Turn on Output Capacitance Min 0.985 (Vref/2) V 0A 13A 470uF Typ Vref/2 V 3mV 3mV 5mV 0.35A s 45mV 11mV 50mS 0% 2 Max 1.015(Vref/2) V 10mV 10mV 20mV 10A 22A 0.7A s 100mV 25mV 80mS 3% 3300uF 2 Notes Test conditions: Vin=12V, Iout= full load Test conditions: 0-20MHz BW, 0.1uF ceramic capacitor at the output Notes: 1. All specifications are typical at nominal input, full load at 25C unless otherwise stated. 2. All specifications are tested at Vref=2.5V. 3. The modules track the transient response of the reference input. See the figure in TR data on Page 3. General Specifications Parameter Efficiency (Vin=12V, Io=Io-max ) Switching Frequency MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Remote sense compensation Weight 2.5 x 0.55 x 0.37 63.5 x 13.97 x 9.4 0.5V 9.5g Min 80% 180KHz Typ 82% 200KHz 3,403,119 hours Max 220KHz Calculated Per Bell Core TR-332 (IO = 80% load; Vin=12V; Ta = 25C) Notes - Note: All specifications are typical at 25C unless otherwise stated. Control Specifications Parameter Remote On/Off Signal Low (Unit Off) Signal High (Unit On) -0.3V 2.8V 0.3V 13.2V Min Typ Max Notes 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 12V Input Vref/2 / 10A Output Transient Response: di/dt=0.5A/uS,External Load Capacitance Co=470uF (electrolytic) -50% to 50% load Transient at 12V input and Ta=25C 50% to -50% load Transient at 12V input and Ta=25C 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 12V Input Vref/2 / 10A Output Efficiency Data Module 1.25V 90.0% 85.0% EFFICIENCY 80.0% 75.0% 70.0% 65.0% 60.0% 1.0 3.0 5.0 7.0 OUTPUT CURRENT 9.0 10.8V 12.0V 13.2V Thermal Derating Curve 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 12V Input Vref/2 / 10A Output Pin Connections Pin 1 2 3 4 5 6 7 8 9 10 11 Function Vo+ Vo+ Opt. Remote Sense (+) Vo+ Ground Ground Vin+ Vin+ Not used Vref Remote On/Off 2005 Bel Fuse Inc. Specifications subject to change without notice. 011705 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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