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| ISOLATED DC/DC CONVERTERS 18 Vdc - 75 Vdc Input 5 Vdc/2 A Output 0RLC-10U05x * * * * * * * Isolated Fixed Frequency High Efficiency RoHS Compliant * * * * * * * PRELIMINARY Rev.C Remote On/Off Input Under/Over Voltage Lockout Output Over-Voltage Shut Down SCP/OCP Excellent Thermal Performance Over Temperature Protection Basic Insulation High Power Density Output Voltage Trim Low Cost Pre-Bias Start Up Description The 0RLC-10U05x is an isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit provides up to 10 W of output power from a nominal 48 Vdc input. This unit is designed to be highly efficient and low cost. The converter is provided in a 1"x2" package. Part Selection Output Voltage 5 Vdc Input Voltage 18 Vdc - 75 Vdc Max. Output Current 2A Max. Output Power 10 W Typical Efficiency 83% Model Number Active High 0RLC-10U050 Model Number Active Low 0RLC-10U05L 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) I/O Isolation Voltage Ambient Temperature Storage Temperature Min -0.3 V -40 C -55 C Typ Max 80 V 1500 V 85 C 125 C Notes Input Specifications Parameter Input Voltage Input Current Input Current (no load) Input Reflected Ripple Current (pk-pk) Turn-on Input Voltage Turn-off Input Voltage Min 18 V 16 V Typ Max 75 V 0.8 A 50 mA 30 mA 18 V With simulated source impedance of 10 uH, 5 Hz to 20 MHz, use a 47 uF/ 100 V electrolytic capacitor with ESR=1 ohm max, at 200 kHz. 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 18 Vdc - 75 Vdc Input 5 Vdc/2 A Output Output Specifications Parameter Output Voltage Set Point Line Regulation Load Regulation Temperature Regulation (-40 C to +85 C) Ripple and Noise (pk-pk) Output Current Current Limit Threshold Turn on Time Rise Time Output Capacitance Transient Response 50% ~ 100% Max Load Overshoot Vo=5 V Settling Time 100 uS 200 mV di/dt=0.1 A/us, Vin=48 V, with a 10 tantalum cap and a 1uF ceramic cap at the output. Min 4.925 V 0A 2.3 A 0 uF Typ 5.0 V Max 5.075 V 0.5%Vo 1%Vo 0.02%Vo/C 60 mV 2A 3.5 A 50 mS 30 mS 30 mS 1000 uF Vinnom, Ionom, resistive load Vinnom, Ionom, capacitive load 0-20 MHz BW, with a 1uF ceramic cap and a 10 uF Tantalum cap at output Notes Vin=48 V, IO=50% full load Note: All specifications are typical at nominal input, full load at 25C unless noted. General Specifications Parameter Efficiency Switching Frequency Isolation Capacitance Output Voltage Trim Range Over Temperature Protection MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 2.0 x 1.0 x 0.475 50.8 x 25.4 x 12.05 12 g Min 80% 270 kHz 90% Typ 83% 300 kHz 1500 pF 125 C TBD Max 330 kHz 110% Calculated Per Bell Core SR-332 (IO = 80% IO max; Vin=48 V; Vo=5 V; Ta = 25 C) Notes Measured at Vin=48 V, full load 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 18 Vdc - 75 Vdc Input 5 Vdc/2 A Output Control Specifications Parameter Remote On/Off Signal Low (Unit On) Signal High (Unit Off) Signal Low (Unit Off) Signal High (Unit On) Signal High (Unit On) Active Low Active High -0.3 V 2.4 V -0.3 V 2.4 V 0 mA 0.8 V 18 V 0.8 V 18 V 0.75 mA The remote on/off pin open, Unit Off. The remote on/off pin open, Unit On. Min Typ Max Notes Output Trim Equations Equations for calculating the trim resistor (in kohm) given the desired adjusted voltage (Vadj) and the nominal output voltage of the converter (Vo) are shown below. The Trim Down resistor should be connected between the Trim pin and Vout. The Trim Up resistor should be connected between the Trim pin and Ground. Only one of the resistors should be used for any given application. Vout Rtrim_down := 6.25 ( Vo - Vadj_down) 6.25 - 2.5 Rtrim-down Module Trim GND Rtrim_up := Vout Module Vadj_up - Vo Trim Rtrim-up Output voltage Vo=5.01 V GND Efficiency Data Efficiency Curve 90% 88% 86% 84% 82% 80% 78% 76% 74% 72% 70% 0.50 Efficiency 18 V 24 V 48 V 75 V 1.00 1.50 2.00 Output Current (A) 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 18 Vdc - 75 Vdc Input 5 Vdc/2 A Output Thermal Derating Curve Vin=48 V, with maximum junction temperature of semiconductors derated to 120 degree C. Ripple and Noise Waveform 48 Vdc input, 5.0 Vdc/2 A output Note: Ripple and noise at full load, with a 1uF ceramic cap and a 10 uF Tantalum cap at output, Ta=25 deg C. Transient Response Waveform Vo= 5V 50%-100%-50% Load Transients at Vin=48 V@Ta=25 Vo= 5V 100%-50% Load Transients at Vin=48 V@Ta=25 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 18 Vdc - 75 Vdc Input 5 Vdc/2 A Output Mechanical Outline Pin Connections Pin 1 2 3 4 5 6 Function Vin+ VinOn/Off Vo+ Trim VoPin Size 0.040'' 0.040'' 0.040'' 0.040'' 0.040'' 0.040'' 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. 012508 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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