0RCY-50T122

ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input May 17, 2011 12 Vdc /6 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. RoHS Compliant        0RCY-50T12x Features         Isolated High Efficiency High Power Density Rev.E Over Temperature Protection OCP/SCP Low Cost Output Voltage Trim Positive/Negative Remote Sense Basic Insulation Remote On/Off Fixed Frequency (330 kHz) Input Under-Voltage Lockout Output Over-Voltage Shutdown Pre-bias Start Up UL60950-1 Recognized (UL/cUL) (Pending) Applications    Networking Computers and peripherals Telecommunications Description The 0RCY-50T12x is isolated dc/dc converter that operates from a wide input range (36 Vdc - 75 Vdc). This unit will provide up to 72 W of output power. The unit is designed to be highly efficient and low cost. Features include remote on/off, over current protection, over voltage shut down, over temperature protection and under -voltage lockout. This converter is provided in an industry standard 1/8 brick package. Part Selection Output Voltage 12 Vdc Input Voltage 36 Vdc - 75 Vdc Max. Output Current 6A Max. Output Power 72 W Typical Efficiency 92% Model Number Active High 0RCY-50T12L Model Number Active Low 0RCY-50T120 Note: Add “G” suffix at the end of the model number to indicate Tray Packaging. Part Number Explanation 0 R CY – 50 T 12 x 12 3 4 5 6 7 1---Through hole mount 2---RoHS 6, change “R” to “7” means RoHS 5 3---Series name 4---Series code 5---Input range (36-75V) 6---Output voltage (12V) 7---Option, “x” of the model part number to be 0-9, A-Z, which will represent the special request of customer. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com 1 ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input May 17, 2011 12 Vdc /6 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Min -0.3 -0.3 10M -40 -55 Typ Max 80 18 1500 85 125 Unit V V V ohm C C Notes Absolute Maximum Ratings Parameter Input Voltage (continuous) Remote On/Off I/O Isolation Voltage Input to Each Output Resistance Ambient Temperature Storage Temperature Note: Ratings used beyond the maximum ratings may cause a reliability degradation of the converter or may permanently damage the device. Input Specifications Parameter Input Voltage Max Input Current (full load) Input Current (no load) Remote Off Input Current Input Reflected Ripple Current (pk-pk) 2 Min 36 - Typ 48 50 20 Max 75 2.4 100 30 Unit V A mA mA Notes - 20 30 mA Tested with simulated source impedance of 10 uH, 5 Hz to 20 MHz; use a 47 uF/100 V electrolytic cap with ESR = 1 ohm max. at 200 kHz at 25 C. I t Inrush Current Transient Input Fuse (not internally) Turn-on Voltage Threshold Turn-off Voltage Threshold Input Over Voltage Lockout 33 31 76 34 32 78 0.1 5 35 33 80 As A V V V 2 Note: All specifications are typical at 25 C unless otherwise stated. Output Specifications Parameter Output Voltage Set Point Load Regulation line Regulation Regulation Over Temperature (-40deg.C-85deg.C) Ripple and Noise (rms) Ripple and Noise (pk-pk) Output Current Range Min 11.76 0 Typ 12.0 ±12 ±12 ±80 12 50 Max 12.24 ±24 ±24 ±120 20 80 6 Unit V mV mV mV mV mV A Vin=72V, max load on output, 20MHz BW, with 10uF tantalum and 1uF ceramic cap at the output. Notes Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com 2 ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input May 17, 2011 12 Vdc /6 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Parameter Min 7.0 13.6 0 Typ 50 30 Max 10 15.6 80 40 1000 Unit A V mS mS uF Non-latching Notes Output Specifications (continued) Output DC Current Limit Output Over Voltage Clamp Turn on Time Rise Time External Admissible Capacitive Load Transient Response 50% ~ 75% Max Load 75% ~ 50% Max Load Overshoot Settling Time Overshoot Settling Time Vo= 12V 200 150 200 150 300 250 300 250 mV uS mV uS di/dt=0.1 A/us, Vin=48 Vdc, Ta=25 °C, with a 1 µF ceramic cap and a 10 uF tantalum cap at output. Note: All specifications are typical at nominal input, full load at 25°C unless noted. General Specifications Parameter Efficiency Switching Frequency Isolation capacitance Remote Sense Compensation Output Voltage Trim Range Over Temperature Protection Weight MTBF Dimensions Inches (L × W × H) Millimeters (L × W × H) 2.30 x 0.896 x 0.490 58.41 x 22.76 x 12.44 Min 90 310 9.6 Typ 92 330 1500 120 40 TBD Max 350 10 13.2 Unit % kHz pF % V C g Calculated Per Bell Core SR-332 (Io=80%load, Ta = 25 C) The total voltage increased by trim and remote sense should not exceed 10%Vo. Notes Measured at Vin=48 V, full load Note: All specifications are typical at 25 C unless otherwise stated. Remote On/Off Parameter Signal Low (Unit On) Signal High (Unit Off) Signal Low (Unit Off) Signal High (Unit On) Current Sink Active Low Active High Min -0.3 2.4 -0.3 2.4 0 Typ Max 0.8 18 0.8 18 1 Unit V V V V mA Notes 0RCY-50T12L. The remote on/off pin open, Unit off. 0RCY-50T120. 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 3 ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input May 17, 2011 12 Vdc /6 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Output Trim Equations Trim Resistor Calculate Equations for calculating the trim resistor are shown below. The Trim Down resistor should be connected between the Trim pin and Sense(-) pin. The Trim Up resistor should be connected between the Trim pin and the Sense(+) pin. Only one of the resistors should be used for any given application. Sense(+) Rtrimdown  511  10.22k delta Module Trim Rtrimdown Sense(-) Rtrimup  ( (100  delta)  Vo  5.11 511   10.22)k 1.225  delta delta Sense(+) Rtrimup Module Trim Sense(-) Note: delta  Vo _ req  Vo   100 %  Vo Vo_req=Desired (trimmed) output voltage [V] Output voltage Vo=12 V 400 Tr im resi sto r va l ue Rt rim_d own (KOh m) Tr im resi sto r va lue , Rt ri m_u p(KOh m) 5000 4500 4000 3500 3000 2500 2000 1500 1000 500 360 320 280 240 200 160 120 80 40 0 9.8 10.02 10.24 10.46 10.68 10.9 11.12 11.34 11.56 11.78 Adjusted output voltage Vo,adj (V) 12 0 12 12.12 12.24 12.36 12.48 12.6 12.72 12.84 12.96 13.08 13.2 Adjusted output voltage Vo,adj(V) Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com 4 ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input May 17, 2011 12 Vdc /6 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Output Trim Equations (continued) Trim Voltage Calculate Equations for calculating the trim voltage are shown below. Vtrim is the required voltage between TRIM and Sense( -). Sense(+) Vtrim  ( Vo _ req  2 . 464  1 . 24 )[V ] Vo Module Trim Sense(- ) Efficiency Data Efficient Curve 90% 80% 70% 60% Efficient 50% 40% 30% 20% 10% 0% 0A 0.6A 1.5A 3A Output Current (A) 4.5A 36 V 48 V 75 V 6A Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com 5 ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input May 17, 2011 12 Vdc /6 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Ripple and Noise Waveforms 36 Vdc input, 12 Vdc/6 A output 48 Vdc input, 12 Vdc/6 A output 75 Vdc input, 12 Vdc/6 A output Note: Ripple and noise at full load, 0-20 MHz BW, Ta=25 deg C, with a 0.1uF ceramic cap and a 10 uF Tantalum cap at output. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com 6 ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input May 17, 2011 12 Vdc /6 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Thermal Derating Curve Vin=48 V, with maximum junction temperature of semiconductors derated to 120 degree C. Transient Response Waveforms 50%-75% Load 75%-50% Load Note: Transients at Vin=48 V, di/dt=0.1 A/us@Ta=25℃ Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com 7 ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input May 17, 2011 12 Vdc /6 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Mechanical Outline Pin Connections Pin 1 2 3 4 5 6 7 8 Name Vin+ On/Off VinVoutSenseTrim Sense+ Vout+ Function Pin Dia 0.040’’ 0.040’’ 0.040’’ 0.062’’ 0.040’’ 0.040’’ 0.040’’ 0.062’’ Positive input voltage Input to turn converter on and off, referenced to VinNegative input voltage Negative output voltage Negative remote sense Output voltage trim Positive output voltage Positive output voltage Notes: 1. Pin 5 must be connected to Vout-. 2. Leave Pin 6 open for nominal voltage. 3. Pin 7 must be connected to Vout+. Note: This module is recommended and compatible with Pb-Free Wave Soldering and must be soldered using a peak solder temperature of no more than 260 ºC for less than 5 seconds. Note: 1) All Pins: Material - Copper Alloy; Finish – 3 micro inches minimum Gold over 50 micro inches minimum Nickel plate. 2) Undimensioned components are shown for visual reference only. 3) All dimensions in inches (mm); Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm). Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com 8 ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input OutputConverter May 17, 2011 12 Vdc /6 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Revision History Date 2011-05-17 Revision E Changes Detail Add trim equation for trim voltage. Approval XF Jiang RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. 2011 Bel Fuse Inc. Specifications subject to change without notice. 051711 9 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