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| ISOLATED DC/DC CONVERTERS 48 Vdc Input 5 Vdc/1.7 A Output 0RXL-02T050 * * * * Isolated High Efficiency RoHS Compliant * * * * Rev.A Low Cost SCP/OCP Output Over-Voltage Clamp Synchronization Fixed Frequency (220 kHz) High Power Density Description The 0RXL-02T050 is an isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit will provide up to 10 W of output power from a nominal 48 Vdc input. This unit is designed to be highly efficient and very low cost. Features include Synchronization, over current protection, short circuit protection and output over voltage clamp. This converter is provided in an industry standard package. Part Selection Output Voltage 5 Vdc Input Voltage 38 Vdc - 60 Vdc Max. Output Current 1.7 A Max. Output Power 10 W Typical Efficiency 81% Model Number 0RXL-02T050 Notes: 1. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. 2. Add "G" suffix at the end of the model numbers listed above to indicate "Tray Packaging". Absolute Maximum Ratings Parameter Continuous Input Voltage I/O Isolation Voltage Synchronization Voltage Ambient Temperature Storage Temperature Min -0.3 V -40 C -40 C Typ Max 80 V 500 V 5.5 V 85 C 125 C Notes Input Specifications Parameter Input Voltage Input Current (full load) Input Current (no load) Input Reflected Ripple Current (rms) Input Reflected Ripple Current (pk-pk) I t Inrush Current Transient 2 Min 38 V - Typ 48 V 0.3 A 8 mA 20 mA 60 mA - Max 60 V 15 mA 40 mA 100 mA 0.2 A s 2 Notes With simulated impedance of 10 uH, two 0.47 uF ceramic capacitor at 5 Hz to 20 MHz BW, and a 10 uF/100 V electrolytic capacitor with ESR=1ohm max at 200 kHz. Note: All specifications are typical at nominal input, full load 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 5 Vdc/1.7 A Output Output Specifications Parameter Output Voltage Set Point Load Regulation Line Regulation Regulation Over Temperature (-40 C to +85 C) Ripple and Noise (pk-pk) Ripple and Noise (rms) Output Current Output Current Limit Turn on Time Overshoot at Turn On Output Capacitance Transient Response 50% ~ 100% Max Load Settling Time 50% ~ 100% Max Load Settling Time Vo=5.0 V 100 mV 500 uS 100 mV 500 uS 150 mV 150 mV Test conditions: di/dt=0.1 A/uS; Vin=48 V; with a 100 uF/10 V Tantalum capacitor at the output. Min 4.8 V 0.35 A 2.0 A 0% 0 uF Typ 5.0 V 10 mV Max 5.2 V 0.2%VO 0.1%VO 0.03%/C 70 mV 20 mV 1.7 A 3.5 A 90 mS 5% 680 uF Hiccup Test conditions: 0-20 MHz BW; with a 4.7 uF and a 0.1 uF ceramic capacitor at the output. Notes Vin=48 V, Io=100% load. Io = 0.35 A - 1.7 A Vin = 38 V - 60 V Note: All specifications are typical at nominal input, full load at 25 C unless otherwise stated. General Specifications Parameter Efficiency Switching Frequency Isolation Capacitance Output Over Voltage Clamp MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 1.9 x 0.98 x 0.44 48.26 x 24.89 x 11.25 10.5 g Min 77% 200 kHz Typ 81% 220 kHz 1000 pF 8,159,815 hours Max 240 kHz 7V Calculated Per Bell Core SR-332 (Vin=48 V; Vo=5 V, Io = 80% Load; TA = 25 C) Notes Vin = 48 V; Full Load - Note: All specifications are typical at nominal input, full load 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 5 Vdc/1.7 A Output Control Specifications Parameter Signal Low Signal High Frequency Duty Cycle Min 2.4 V 255 kHz 45% Typ Max 0.4 V 300 kHz 55% Notes Synchronization Signal Specifications Efficiency Data 90% 85% EFFICIENCY 80% 75% 70% 65% 60% 55% 50% 10% Load 25% Load 50% Load 75% Load 100% Load 38V 48V 60V OUTPUT CURRENT (A) 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 ISOLATED DC/DC CONVERTERS 48 Vdc Input 5 Vdc/1.7 A Output Ripple and Noise Waveform Note: Ripple and noise at full load, 48 V input, 5 V/1.7 A output, and Ta=25 deg C, with a 4.7 uF and a 0.1 uF ceramic capacitor at output. Transient Response Waveforms 50%-100% Load Transients 100%-50% Load Transients Note: Transient Response at Vin=48 V, Vo=5 V, di/dt=0.1A/uS, with a 100 uF/10 V tantalum 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 ISOLATED DC/DC CONVERTERS 48 Vdc Input 5 Vdc/1.7 A Output Mechanical Outline Pin Connections Pin 1 2 3 4 5 6 Function Vin (+) Vin (-) SYNC Vo (+) COM N/A RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. (c)2007 Bel Fuse Inc. Specifications subject to change without notice. 030607 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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