0RCY-C2T03

ISOLATED DC/DC CONVERTERS 48 Vdc Input Jan. 12, 2011 3.3 Vdc /30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. RoHS Compliant       0RCY-C2T03x Features          Isolated High Efficiency High Power Density Rev.C Output Voltage Trim OCP/SCP Over Temperature Protection Remote On/Off Positive/Negative Remote Sense Basic Insulation Fixed Frequency (300 kHz) Low Cost Input Under-Voltage Lockout Output Over-Voltage Protection Class 1, Category 2, Isolated DC/DC Converter (refer to IPC-9592) UL60950-1 Recognized (UL/cUL) (Pending) Applications    Networking Computers and peripherals Telecommunications Description The 0RCY-C2T03x is isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit will provide up to 99 W of output power from a nominal 48 Vdc input. This unit is designed to be highly efficient and low cost. Features include remote on/off, over current protection and under -voltage lockout. This converter is provided in an industry standard eighth brick package. Part Selection Output Voltage 3.3 Vdc Input Voltage 48 Vdc Max. Output Current 30 A Max. Output Power 99 W Typical Efficiency 93% Model Number Active High 0RCY-C2T030 Model Number Active Low 0RCY-C2T03L Notes: Add “G” suffix at the end of the model number to indicate Tray Packaging. Part Number Explanation 0 R CY – C2 T 03 x 12 3 4 56 7 1---Through hole 2---RoHS 6, change “R” to “7” means RoHS 5 3---Series name 4---Series code 5---Input range (36-75V) 6---Output voltage 3.3V 7--- Suffix 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 48 Vdc Input Jan. 12, 2011 3.3 Vdc /30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Min -0.3 -0.3 1500 -40 -55 Typ Max 80 18 85 125 Unit V V V C C Notes Absolute Maximum Ratings Parameter Continuous Input Voltage Remote On/Off I/O Isolation Voltage 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 Input Current (full load) Input Current (no load) Remote Off Input Current Input Reflected Ripple Current (rms) Input Reflected Ripple Current (pk-pk) I t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold 2 Min 36 33 32 Typ 48 70 10 5 - Max 75 3.8 120 15 10 30 0.1 35.5 34.5 Unit V A mA mA mA mA As V V 2 Notes With simulated source impedance of 10 uH, 5Hz to 20MHz. Use a 100 uF/100 V electrolytic cap with ESR=1 ohm max, at 200 KHz@25°C. 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 Output DC Current Limit Short Circuit Surge Transient Turn on Time Overshoot at Turn on Output Capacitance Min 3.234 0 33 470 Typ 3.30 ±4 ±8 ±30 10 55 2 0 Max 3.366 ±9 ±16.5 ±50 20 90 30 44 4 25 5600 Unit V mV mV mV mV mV A A As mS % uF 2 Notes Vin=48 V, Io=50%load 0-20MHz BW, with a 1µF ceramic capacitor and the minimum external 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 2 ISOLATED DC/DC CONVERTERS 48 Vdc Input Jan. 12, 2011 3.3 Vdc /30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Min Typ 50 150 50 150 Max 100 250 100 250 Unit mV uS mV uS di/dt=0.1 A/us, Vin=48 Vdc, with a 1µF ceramic capacitor and the minimum external Tantalum cap at output. Notes Output Specifications (continued) Parameter Transient Response △V 25%~50% Overshoot Settling Time Overshoot Settling Time of Max Load △V 50%~25% of Max Load 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 Voltage Trim Range Remote Sense Compensation Over Temperature Protection Over Voltage Protection MTBF Dimensions Inches (L × W × H) Millimeters (L × W × H) Weight 2.30 x 0.90 x 0.37 58.42 x 22.78 x 9.50 28 g Min 90 270 90 3.8 Typ 93 300 2200 125 TBD Max 330 110 10 4.5 Unit % kHz pF % % C % Hours Vin=48 V, full load, in hiccup Mode Calculated Per Bell Core SR-332 (Io=80%load, Ta = 25 C) Vin=48V, full load and short feedback optocoupler. Notes Measured at Vin=48 V, full load. 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) Current Sink Active Low Active High Min -0.7 2.4 -0.7 2.4 0 Typ Max 0.8 18 0.8 18 1 Unit V V V V mA Notes When Remote On/Off pin is open, unit is off. When Remote On/Off pin is open, unit is 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 48 Vdc Input Jan. 12, 2011 3.3 Vdc /30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. 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. 511 Rtrimdown   10.22k delta Vout Module Trim GND Rtrimdown Rtrimup  (100  delta)  Vo  5.11  626  10.22k  1 .225  delta Module Vout Trim GND Rtrimup Note: delta  Vo _ req  Vo   100 %  Vo Vo_req=Desired (trimmed) output voltage [V] Output voltage Vo=3.3 V Efficiency Data Efficiency Curve 94% 92% 90% 88% 86% 84% 82% 80% 78% 76% 74% 72% 70% 3.00 36 V 48 V 75 V Efficiency 7.50 15.00 22.50 30.00 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 4 ISOLATED DC/DC CONVERTERS 48 Vdc Input Jan. 12, 2011 3.3 Vdc /30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Thermal Derating Curve Vin=48V, with maximum junction temperature of semiconductors derated to 120 degree C Ripple and Noise Waveforms Io=0A Vin=48V Io=30A Vin=48V Note: Ripple and noise with a 1uF 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 5 ISOLATED DC/DC CONVERTERS 48 Vdc Input Jan. 12, 2011 3.3 Vdc /30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Transient Response Waveforms Vout=3.3V 75% to 50% Load Transients at Vin=48V Vout=3.3V 50% to 75% Load Transients at Vin=48V Note: Transient Response at di/dt=0.1A/uS, External 330uF Tantalum Cap, Ta=25deg C. 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 48 Vdc Input Jan. 12, 2011 3.3 Vdc /30 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+ Pin Dia 0.040’’ 0.040’’ 0.040’’ 0.060’’ 0.040’’ 0.040’’ 0.040’’ 0.060’’ 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 7 ISOLATED DC/DC CONVERTERS 48 Vdc Input Jan. 12, 2011 3.3 Vdc /30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Revision History Date 2011-01-12 Revision C Changes Detail Change max input current (full load) from 4.5A to 3.8A in input specifications. Approval JZ Wang 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. 011211 8 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