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| NON-ISOLATED DC/DC CONVERTERS 12V Input / 50% Tracking Output / 10A V7PC-10AT5 Series * * * * * Industry standard pinout PRELIMINARY Designed specifically for Bus Termination voltages Capable of sinking and sourcing current Remote on/off Remote sense Description The V7PC-10AT5 is non-isolated step down DC/DC converters that operate from a nominal 12V source. These converters are 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, over current protection and remote sense. Part Selection Output Voltage Vref / 2 Input Voltage 12V Max. Output Current 10A Max. Output Power 20W Typical Efficiency 82% Model Number V7PC-10AT5S Input Specifications Parameter Input Voltage Range Input Reference Voltage Input Current (no load) Input Current (full load) Reflected Ripple Current Min 10.8VDC Typ Max 13.2 VDC 3.5 VDC 3.8A 50mA rms 180mA p-p Notes 50mA With a simulated source impedance of 500nH, 5Hz to 20 MHz Output Specifications Parameter Output Current Regulation Setpoint Accuracy Line Regulation Load Regulation Temperature Ripple and Noise Min 0A -1.0% -0.3% -0.3% -0.02%/C Typ Max 10A +1.0% +0.3% +0.4% +0.02%/C 100mV pk-pk 25mV rms Notes Total error band of 3% over all operating conditions and temperatures until end of life. 0 to 20MHz Bandwidth Use 0.1uF ceramic and 470uF aluminum on output 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 / 50% Tracking Output / 10A Output Specifications (continued) Parameter Transient Response Max deviation Recovery to within 1% Remote Sense Compensation 0.5VDC Min Typ Max 150mV 70uS Notes di/dt = 1A/uS, Vin =12VDC Ta = 25C, 50-100% load change. General Specifications Parameter Switching Frequency Dimensions inches mm Pin Length inches mm Weight Operating Temperature Non-Operating Temperature MTBF (MIL-HDBK-217K) Protection Features Short circuit Over current Undervoltage Remote On/Off 0.13 0.02 3.3 0.5 9.5 g 0C to 70C (see curve) -40C to 100C >1,000,000 hours Continuous 130% to 250% max Io UVLO Vin < 9.8V Active High Specification 200kHz typical (fixed) 2.50 x 0.55 x 0.36 63.5 x 14.0 x 9.0 Pin Connections Pin 1 2 3 4 5 6 7 8 9 10 11 Function +Vo +Vo Remote Sense (+) +Vo Ground Ground +Vin +Vin No pin Vref In Remote ON/OFF 0.025 [0.064] 2002 Bel Fuse Inc. Specifications subject to change without notice. 051502 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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