ISOLATED DC/DC CONVERTERS 18 Vdc - 75 Vdc Input 12 Vdc /7 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 28, 2011 0RCY-60U12x RoHS Compliant Rev.D Features Isolated Output Over-Voltage Shutdown High Efficiency OCP/SCP High Power Density Over Temperature Protection Fixed Frequency (258 kHz) Low Cost Input Under-Voltage Lockout Output Voltage Trim Input Over-Voltage Lockout Positive/Negative Remote Sense Ultra Wide Input Range: 18 Vdc - 75 Vdc Basic Insulation Remote On/Off UL60950-1 Recognized (UL/cUL) (Pending) Applications Networking Computers and peripherals Telecommunications Description The 0RCY-60U12x is part of the isolated dc/dc converters that operate from a wide input range (18 Vdc - 75 Vdc) and can cover both 24 Vin and 48 Vin input range. These units will provide up to 84 W of output power. They are 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. These converters are provided in an industry standard 1/8 brick package. Part Selection Output Voltage Input Voltage 12 Vdc 18 Vdc 75 Vdc Max. Output Current Max. Output Power Typical Efficiency Model Number Active High With Heatsink Model Number Active Low With Heatsink Model Number Active Low Without Heatsink 7A 84 W 92% 0RCY-60U120 0RCY-60U12L 0RCY-60U12B Notes: Add “G” suffix at the end of the model number to indicate Tray Packaging. Part Number Explanation 0 R CY – 60 U 12 x 1 2 3 4 5 6 7 1---Through hole 2---RoHS 6, change “R” to “7” means RoHS 5 3---Series name 4---Series code 5---Input range (18-75V) 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 18 Vdc - 75 Vdc Input 12 Vdc /7 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 28, 2011 Absolute Maximum Ratings Parameter Input Voltage (continuous) Input Transient Voltage Remote On/Off I/O Isolation Voltage Min Typ Max Unit -0.3 - 80 V - - 100 V -0.3 - 18 V - - 1500 V Ambient Temperature -40 - 85 C Storage Temperature -55 - 125 C Notes 100 mS maximum 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 Min 18 Typ 24/48 Max 75 Unit V - 6.7 1.6 - A A Input Current (no load) - 100 180 mA Remote Off Input Current - 10 15 mA Input Reflected Ripple Current (rms) - 7 10 mA Input Reflected Ripple Current (pk-pk) - 15 30 mA I t Inrush Current Transient - 0.05 0.1 As Turn-on Voltage Threshold 16.0 17.0 17.5 V Turn-off Voltage Threshold 15.0 16.0 16.5 V Input Over Voltage Lockout 76 78 80 V Notes Input Current (full load) Vin=18 V Vin=75 V 2 Tested with simulated source impedance of 10 uH, 5 Hz to 20 MHz; use a 1 uF/100 V ceramic cap and a 100 uF/100 V electrolytic cap with ESR = 1 ohm max. at 200 kHz at 25 C. 2 CAUTION: This converter is not internally fused. An input line fuse must be used in application. Recommend a fast-acting fuse with maximum rating of 8A on system board. Refer to the fuse manufacture’s datasheet for further information. Notes: 1. This converter has internal C-L-C (2.2uH-2*0.47uF+2.2uF) filter. 2. All specifications are typical at 25 C unless otherwise stated. Output Specifications Parameter Output Voltage Set Point Min 11.76 Typ 12.00 Max 12.24 Unit V Load Regulation - ±6 ±12 mV Line Regulation - ±10 ±20 mV Regulation Over Temperature (-40deg.C~ +85deg.C) - ±30 ±50 mV Ripple and Noise (rms) - 25 50 mV Ripple and Noise (pk-pk) - 100 150 mV Notes Vin=48 V, Io=50% load 0-20 MHz BW, with a 0.1 µF ceramic cap and a 10 uF tantalum cap at the output. 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 18 Vdc - 75 Vdc Input 12 Vdc /7 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 28, 2011 Output Specifications (continued) Parameter Output Current Range Output DC Current Limit Min Typ Max Unit 0 - 7 A 7.7 - 11 A 2 Notes Vin=48 V, in Hiccup Mode. Short Circuit Surge Transient - 3 5 As Rise Time 5 10 15 mS - 20 25 mS Ton(Enable from Vin) - 20 25 mS Ton(Enable from ON/OFF) Overshoot at Turn on - 0 3 % Output Capacitance 0 - 1000 uF Overshoot - 300 400 mV Settling Time - 400 600 uS Overshoot - 300 400 mV Settling Time - 400 600 uS Turn on Time Transient Response 75% ~ 50% Max Load 50% ~ 75% Max Load di/dt=0.1 A/us, Vin=24 Vdc, Ta=25 °C, with a 0.1 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 otherwise stated. General Specifications Parameter Min Typ Max Unit Notes 90 90.5 91.5 92 - % % Switching Frequency 240 258 280 kHz Isolation Capacitance - 1500 - pF Remote Sense Compensation - - 10 % 80 - 110 % Over Temperature Protection - 125 - C Over Voltage Protection - - 13.8 V Vin=48 V, full load, in Hiccup mode. 1,867,232 hours Calculated Per Bell Core SR-332 (Vo=12V, Io=80%load, Ta = 25 C) 2.30 x 0.896 x 0.49 58.42 x 22.76 x 12.47 - 0RCY-60U120 & 0RCY-60U12L 2.30 x 0.900 x 0.45 58.42 x 22.86 x 11.50 - 0RCY-60U12B g 0RCY-60U120 & 0RCY-60U12L Efficiency Vin=24 V Vin=48 V Output Voltage Trim Range MTBF Measured at normal Vin, full load. The total voltage increased by trim and remote sense should not exceed 15%Vo. Dimensions Inches (L × W × H) Millimeters (L × W × H) Dimensions Inches (L × W × H) Millimeters (L × W × H) Weight - 31.2 - 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 3 ISOLATED DC/DC CONVERTERS 18 Vdc - 75 Vdc Input 12 Vdc /7 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 28, 2011 Remote On/Off Parameter Signal Low (Unit On) Signal High (Unit Off) Signal Low (Unit Off) Signal High (Unit On) Active Low Active High Min -0.3 Typ - Max 0.8 Unit V 2.4 - 18 V -0.3 - 0.8 V 2.4 - 18 V 0 - 0.75 mA Current Sink Notes 0RCY-60U12L & 0RCY-60U12B. The remote on/off pin open, Unit off. 0RCY-60U120. The remote on/off pin open, Unit on. Output Trim Equations Equations for calculating the trim resistor are shown below. The Trim Down resistor should be connected between the Trim pin and GND pin. The Trim Up resistor should be connected between the Trim pin and the Vout pin. Only one of the resistors should be used for any given application. Rtrimdown 511 10.22k delta Vout Module (100 delta) Vo 5.11 626 Rtrimup 10.22k 1 .225 delta Note: Trim GND Rtrimdown Vout Vo _ req Vo 100 % delta Module Vo Trim Rtrimup GND Vo_req=Desired (trimmed) output voltage [V] Output voltage Vo=12.00 V Efficiency Data Efficiency Curve Efficiency 90.00% 80.00% 18 V 70.00% 24 V 48 V 75 V 60.00% 50.00% 0.7A 1.75A 3.5A 5.25A 7A 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 4 ISOLATED DC/DC CONVERTERS 18 Vdc - 75 Vdc Input 12 Vdc /7 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 28, 2011 Thermal Derating Curves Maximum FET junction temperature derated to 120 C 0RCY-60U120 & 0RCY-60U12L Vin=24 V, Vo=12 V Vin=48 V, Vo=12 V 0RCY-60U12B Vin=24 V, Vo=12 V Vin=48 V, Vo=12 V 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 18 Vdc - 75 Vdc Input 12 Vdc /7 A Output Apr. 28, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc. Ripple and Noise Waveforms 24 Vdc input, 12 Vdc/7 A output 48 Vdc input, 12 Vdc/7 A output Note: Ripple and noise at full load, 0-20 MHz BW, with a 0.1 uF ceramic cap and a 10 uF tantalum cap at the output, and Ta=25 deg C. Transient Response Waveforms 50%-75% Load Transients at Vin=24 V 75%-50% Load Transients at Vin=48 V 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 18 Vdc - 75 Vdc Input 12 Vdc /7 A Output Apr. 28, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc. Transient Response Waveforms (continued) 50%-75% Load Transients at Vin=24 V 75%-50% Load Transients at Vin=48 V Note: Transients Response at Vo=12V, di/dt=0.1 A/us, with a 0.1 µF ceramic cap and a 10 uF tantalum cap at output, and 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 7 ISOLATED DC/DC CONVERTERS 18 Vdc - 75 Vdc Input 12 Vdc /7 A Output Apr. 28, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc. Mechanical Outline 0RCY-60U120 & 0RCY-60U12L Pin Connections Pin Name Function Pin Dia 1 Vin+ 0.040’’ 2 On/Off 3 4 5 6 7 8 VinVoutSenseTrim Sense+ Vout+ 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 0.040’’ 0.040’’ 0.062’’ 0.040’’ 0.040’’ 0.040’’ 0.062’’ 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+. 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 18 Vdc - 75 Vdc Input 12 Vdc /7 A Output Apr. 28, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc. Mechanical Outline (continued) 0RCY-60U12B Pin Connections Pin Name Function Pin Dia 1 Vin+ 0.040’’ 2 On/Off 3 4 5 6 7 8 VinVoutSenseTrim Sense+ Vout+ 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 0.040’’ 0.040’’ 0.062’’ 0.040’’ 0.040’’ 0.040’’ 0.062’’ 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 9 ISOLATED DC/DC CONVERTERS 18 Vdc - 75 Vdc Input 12 Vdc /7 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 28, 2011 Revision History Date Revision 2011-04-28 D Changes Detail Approval Add P/N 0RCY-60U12B without heatsink. 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. 042811 10 CORPORATE FAR EAST EUROPE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com 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 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