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| ISOLATED DC/DC CONVERTERS 48 VDC Input / 140 W Output , 1/8 Brick 0RCR "Cimarron" Series * * * * * RoHS Compliant Industry standard eighth-brick package Up to 140 W at 95% efficiency 1500 V Isolation Remote On/Off Low Cost Description The 0RCR "Cimarron" Series are isolated DC/DC converters that operate from a nominal 48 VDC source. These converters use a half bridge power train to provide isolation and step down. These units will provide up to 140 W of output power from a nominal 48 VDC input. These units are designed to be highly efficient and low cost. Features include remote on/off, over current protection and under voltage lockout. These converters are provided in an industry standard eighth-brick package. Part Selection Output Voltage 8V 12 V Input Voltage 48 V 48 V Max. Output Current 18 A 12 A Max. Output Power 140 W 140 W Typical Efficiency 95% 95% Model Number Active Low 0RCR-18S08L 0RCR-12S12L Model Number Active High 0RCR-18S08H 0RCR-12S12H Notes: 1. Add "G" suffix at the end of the model number to indicate Tray Packaging. 2. 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) Remote On/Off Operating Temperature Non-Operating Temperature Min V 0V -40 C -55 C Typ Max V 60 V 85 C 125 C Notes Input Specifications Parameter Input Voltage Input Current (full load) Input Current (no load) Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (rms) Min 36 V Typ Max 60 V 3A 45 mA 30 mA 10 mA Reflected ripple current through a 10uH source inductor at nominal input voltage and rated load current. 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 ISOLATED DC/DC CONVERTERS 48 VDC Input / 140 W Output , 1/8 Brick Output Specifications Parameter Output Voltage Set Point 0RCR-18S080 0RCR-12S120 Output Current 0RCR-18S080 0RCR-12S120 Load Regulation 0RCR-18S080 0RCR-12S120 Ripple and Noise (rms) 0RCR-18S080 0RCR-12S120 Ripple and Noise (pk-pk) 0RCR-18S080 0RCR-12S120 110 mV 150 mV 20 mV 40 mV 0.5 V 0.7 V Test conditions: 0 to 20MHz Bandwidth Use 1.0uF ceramic cap and 15uF/100mOhm tantalum on output. 18 A 12 A Vin / 6 Vin / 4 Min Typ Max Notes Unregulated output will track input voltage with a 6:1 or 4:1 ratio. Note: All specifications are typical at 25 C unless otherwise stated. General Specifications Parameter Efficiency Switching Frequency 6:1 4:1 Over Temperature Protection MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 2.30 x 0.9 x 0.39 58.4 x 22.8 x 9.8 23 g 200 kHz 150 kHz C 2,569,594 hours Average PCB temperature will not exceed 115 C. Calculated Per Bell Core SR-332 (IO = Nominal; Ta = 25 C) Min Typ 95% Max Notes Vin=48 V, Io=Iomax Note: All specifications are typical at 25 C unless otherwise stated. Control Specifications Parameter Remote On/Off Signal Low (Unit On) Signal High (Unit Off) Signal Low (Unit Off) Signal High (Unit On) Active Low Active High Min 0V 2.5 V 0V 2.5 V Typ Max 0.8 V 60 V 0.8 V 60 V Notes The remote on/off pin open, Unit on. The remote on/off pin open, Unit on. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input / 140 W Output , 1/8 Brick Mechanical Ouline Pin Connections Pin 1 2 3 4 5 Function Vin+ Remote On/Off VinVoutVout+ RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. (c)2008 Bel Fuse Inc. Specifications subject to change without notice. 103108 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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