ISOLATED DC/DC CONVERTERS 48 Vdc Input 3.3 Vdc/50 A, 5.0 Vdc/30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 13, 2011 0RHB-C5T Series RoHS Compliant Rev.B Features Isolated Output Over Voltage Shutdown High Efficiency Over Temperature Protection High Power Density OCP/SCP Fixed Frequency (300 kHz) Remote On/Off Low Cost Output Voltage Trim Input Under-Voltage Lockout Positive/Negative Remote Sense Input Over-Voltage Lockout UL60950-1 Recognized (UL/cUL) Applications Networking Computers and peripherals Telecommunications Description The 0RHB-C5T Series are isolated dc/dc converters that operate from a nominal 48 Vdc source. This unit will provide up to 165 W of output power from a nominal 48 Vdc input. This unit is designed to be highly efficient and low cost. It is provided in an industry standard half-brick package. Part Selection Output Voltage 5.0 V Input Voltage 48 V Max. Output Current 30 A Max. Output Power 150 W Typical Efficiency 93.0% Model Number Active High 0RHB-C5T050 Model Number Active Low 0RHB-C5T05L 3.3 V 48 V 50 A 165 W 92.5% 0RHB-C5T033 0RHB-C5T03L Notes: Add “G” suffix at the end of the model number to indicate Tray Packaging. Part Number Explanation 0 R HB – C5 T xx x 1 2 3 4 5 6 7 1---Through hole 2---RoHS 6, change “R” to “7” means RoHS 5 3---Series name, 1/2 Brick 4---Series code 5---Input range 48V wide (36-75V) 6---Output voltage 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 3.3 Vdc/50 A, 5.0 Vdc/30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 13, 2011 Absolute Maximum Ratings Min Typ Max Unit Input Voltage (continuous) -0.3 - 80 V Remote On/Off -0.3 - 18 V - - 2000 V Ambient Temperature -40 - 85 C Storage Temperature -55 - 125 C Parameter I/O Isolation Voltage Notes 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) Min 36 Typ 48 Max 75 Unit V - - 5.0 5.2 A A Input Current (no load) - 120 180 mA Remote Off Input Current - 5 20 mA Input Reflected Ripple Current (pk-pk) - 20 40 mA Input Reflected Ripple Current (rms) - 5 10 mA I t Inrush Current Transient - 0.05 0.1 As Turn-on Voltage Threshold 31 - 35 V Turn-off Voltage Threshold 29 - 33 V Input Over Voltage Threshold 76 - 80 V Vo=5.0 V Vo=3.3 V 2 Notes Tested with simulated source impedance of 10 uH, 5 Hz to 20 MHz; use a 100 uF /100 V electrolytic capacitor with ESR = 1 ohm max. at 200 kHz at 25 C. 2 Note: All specifications are typical at 25 C unless otherwise stated. Output Specifications Parameter Output Voltage Set Point Min Typ Max Unit Vo=5.0 V Vo=3.3 V 4.925 3.250 5.000 3.300 5.075 3.350 V V Vo=5.0 V Vo=3.3 V - 5 3 10 7 mV mV Vo=5.0 V Vo=3.3 V Regulation Over Temperature (-40 C to +85 C) Vo=5.0 V Vo=3.3 V Output Current Vo=5.0 V Vo=3.3 V Current Limit Threshold Vo=5.0 V Vo=3.3 V - 10 7 20 15 mV mV - 45 30 75 50 mV mV 0 0 - 30 50 A A 32 55 38 65 45 75 A A Line Regulation Load Regulation Notes Vin=48V, Io=50% load 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 3.3 Vdc/50 A, 5.0 Vdc/30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 13, 2011 Output Specifications (continued) Parameter Min Short Circuit Surge Transient Typ Max Unit 2 - 3 5 As Vo=5.0 V Vo=3.3 V - 25 15 50 30 mV mV Vo=5.0 V Vo=3.3 V - 70 55 140 100 mV mV Turn on Time - 15 20 mS Overshoot at Turn on - 0 5 % 0 0 - 10000 20000 uF uF Notes Ripple and Noise (rms) Ripple and Noise (pk-pk) Test conditions: 0-20MHz BW, with a 1uF ceramic capacitor and a 10uF Tantalum capacitor at the output. Output Capacitance Vo=5.0 V Vo=3.3 V Transient Response 75% ~ 50% Max Load Overshoot - 250 400 mV Settling Time - 250 400 uS - 250 400 mV Settling Time - 250 400 uS Overshoot - 100 200 mV - 200 300 mS - 100 200 mV - 200 300 mS Overshoot 50% ~ 75% Max Load 75% ~ 50% Max Load Settling Time Overshoot 50% ~ 75% Max Load Vo=5.0 V Vo=3.3 V Settling Time Test conditions: di/dt = 0.1 A/uS, Vin=48 V with a 1 uF ceramic capacitor and a 10 uF Tantalum capacitor at the output. Note: All specifications are typical at nominal input, full load at 25°C unless otherwise stated. General Specifications Parameter Min Typ Max Unit 90 90 93.0 92.5 - % % Notes Efficiency Vo=5.0 V Vo=3.3 V Switching Frequency 300 330 360 kHz Isolation capacitance - 1500 - pF 80 - 110 % Vo - 120 - C - 130 - % Vo - - 2000 V - 76 - g Output Voltage Trim Range Over Temperature Protection Over Voltage Protection 1 Input to Output Isolation Voltage 2 Weight MTBF 1,113,071 Hours 2.28 x 2.4 x 0.42 57.51 x 60.98 x 10.67 - Vin=48V, full load Calculated Per Bell Core SR-332 (IO = Nominal; Ta = 25 C) Dimensions Inches (L × W × H) Millimeters (L × W × H) Notes: All specifications are typical at 25 C unless otherwise stated. 1. OVP is tested under 48 Vin and full load with photo coupler short. The output will be latched off if the output voltage exceeds over voltage specification. To turn the converter on requires either cycling the ON/OFF pin or power to the converter. 2. Isolation between input and output is basic isolation, test duration is 60 seconds. 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 3.3 Vdc/50 A, 5.0 Vdc/30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 13, 2011 Control Specifications Parameter Min Typ Max Unit -0.3 2.4 -0.3 2.4 - 0.8 18 0.8 18 V V V V Notes Remote On/Off Signal Low (Unit On) Signal High (Unit Off) Signal Low (Unit Off) Signal High (Unit On) Active Low Active High The remote on/off pin open, Unit off. The remote on/off pin open, Unit on. Output Trim Equations Equations for calculating the trim resistor (in kΩ) are shown below. The Trim Down resistor should be connected between the Trim pin and Ground pin. The Trim Up resistor should be connected between the Trim pin and the Vout. Only one of the resistors should be used for any given application. Vout 100 Rtrimdown 2k delta delta Trim GND (100 delta) Vo 122.5 2k 1.225 delta Rtrimup Notes: Module Rtrimdown Vout Module Trim Rtrimup GND Vo _ req Vo 100% Vo Vo_req=Desired(trimmed) output voltage[V] Output voltage Vo=3.304 V for 3.3 V; Vo=5.008 V for 5 V. Efficiency Data Efficiency Curve 94% 90% 90% 86% 36 V 48 V 75 V 82% 78% 74% Efficiency Efficiency Efficiency Curve 94% 86% 36 V 48 V 75 V 82% 78% 74% 70% 70% 5 10 15 20 25 30 35 40 Output Current (A) 0RHB-C5T03x 45 50 5 10 15 20 25 30 Output Current (A) 0RHB-C5T05x 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 3.3 Vdc/50 A, 5.0 Vdc/30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 13, 2011 Thermal Derating Curves 0RHB-C5T03x 0RHB-C5T05x Ripple and Noise Waveforms Ripple and noise at full load 3.3 V/50 A output Ripple and noise at full load 5.0 V/30 A output Note: Ripple and noise at 48 V input, with a 1 uF ceramic capacitor and a 10 uF tantalum capacitor at the 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 3.3 Vdc/50 A, 5.0 Vdc/30 A Output Apr. 13, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc. Transient Response Waveforms Vout=3.3 V, 50% to 75% Load Transients Vout=3.3 V, 75% to 50% Load Transients Vout=5.0 V, 50% to 75% Load Transients Vout=5.0 V, 75% to 50% Load Transients Note: Transient Response is tested at di/dt=0.1 A/us (Vo=3.3 V), di/dt=0.5 A/us (Vo=5.0 V), Vin=48 V, Ta=25°C, with a 1 µF ceramic capacitor and a 10 µF tantalum capacitor 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 6 ISOLATED DC/DC CONVERTERS 48 Vdc Input 3.3 Vdc/50 A, 5.0 Vdc/30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 13, 2011 Mechanical Outline Pin Connections pin# 1 2 3 4 5 function -Input N/A On/Off +Input +Output pin size 0.04" 0.04" 0.04" 0.08" pin# 6 7 8 9 10 11 function N/A +Sense Trim -Sense N/A -Output pin size 0.04" 0.04" 0.04" 0.08" 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 3.3 Vdc/50 A, 5.0 Vdc/30 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Apr. 13, 2011 Revision History Date Revision 2010-04-13 B Changes Detail Approval Updated MTBF. 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. 041311 8 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