ISOLATED DC/DC CONVERTERS 48 Vdc Input, 3.3 Vdc/2 A, 5 Vdc/2 A, 12 Vdc/1 A, 24 Vdc/0.5 A Output 0RLC-10Txxx Series • • • • • • RoHS Compliant Isolated Fixed Frequency High Power Density High Efficiency Output Over-Voltage Shutdown Safety Approval to UL60950-1 (Pending) • • • • • Rev.A Low Cost Trim OCP/SCP Remote On/Off Active Low/High (Option) Description The 0RLC-10T Series are isolated dc/dc converters that operate from a nominal 48 Vdc source. These units will provide up to 12 W of output power from a nominal 48 Vdc input. These units are designed to be highly efficient and very low cost. Features include remote on/off, over current protection and short circuit protection. These converters are provided in an industry standard package. Part Selection Output Voltage 3.3 Vdc 5.0 Vdc 12 Vdc 24 Vdc Input Voltage 36 Vdc - 75 Vdc 36 Vdc - 75 Vdc 36 Vdc - 75 Vdc 36 Vdc - 75 Vdc Max. Output Current 2A 2A 1A 0.5 A Max. Output Power 6.6 W 10 W 12 W 12 W Typical Efficiency 77% 82% 83% 85% Model Number Active High 0RLC-10T033 0RLC-10T050 0RLC-10T120 0RLC-10T240 Model Number Active Low 0RLC-10T03L 0RLC-10T05L 0RLC-10T12L 0RLC-10T24L 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 Continuous Input Voltage Peak/Surge Input Voltage Min -0.3 V -0.3 V Typ - Max 75 V 100 V Remote On/Off (Active Low) -0.3 V - 18 V Remote On/Off (Active High) -0.3 V - 7V Ambient Temperature Storage Temperature 0 °C -40 °C - 70 °C 125 °C Notes Transients of 100 ms or less in duration Input Specifications Parameter Input Voltage Input Current (no load) Input Current (full load) Remote Off Input Current (Active Low) Remote Off Input Current (Active High) Min 36 V - Typ 5 mA - Max 75 V 40 mA 0.45 A 10 mA 10 mA Input Reflected Ripple Current (pk-pk) - 15 mA 30 mA Input Reflected Ripple Current (rms) - 5 mA 10 mA I t Inrush Current Transient - 0.039 A s 0.062 A s Turn-on Voltage Threshold - 30 V - 2 2 Notes With simulated source impedance of 10 uH, 5 Hz to 20 MHz; use a 47uF/100 V electrolytic capacitor with ESR = 1 ohm max. at 200 kHz at 25 °C. 2 Note: All specifications are typical at nominal input, full load 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 48 Vdc Input, 3.3 Vdc/2 A, 5 Vdc/2 A, 12 Vdc/1 A, 24 Vdc/0.5 A Output Output Specifications Parameter Output Voltage Set Point Min Typ Max VO=3.3 V VO=5.0 V VO=12 V VO=24 V 3.201 V 4.850 V 11.64 V 23.28 V 3.30 V 5.00 V 12.00 V 24.00 V 3.399 V 5.150 V 12.36 V 24.72 V VO=3.3 V VO=5.0 V VO=12 V VO=24 V - 5 mV 10 mV 20 mV 35 mV 10 mV 15 mV 36 mV 48 mV VO=3.3 V VO=5.0 V VO=12 V VO=24 V - 10 mV 15 mV 36 mV 48 mV 15 mV 25 mV 60 mV 80 mV - 75 mV 150mV VO=3.3 V VO=5.0 V VO=12 V VO=24 V 0.2 A 0.2 A 0.1 A 0.05 A - 2.0 A 2.0 A 1.0 A 0.5 A VO=3.3 V VO=5.0 V VO=12 V VO=24 V - 3.0 A 3.0 A 1.5 A 0.75 A - - TBD - VO=3.3 V VO=5.0 V VO=12 V VO=24 V - 10 mV 18 mV 21 mV 45 mV 15 mV 30 mV 40 mV 70 mV VO=3.3 V VO=5.0 V VO=12 V VO=24 V - 40 mV 60 mV 80 mV 120 mV 60 mV 100 mV 120 mV 180 mV 0.5 mS - 0% 200 mS 40 mS 3% 0 uF 0 uF 0 uF 0 uF - 800 uF 800 uF 100 uF 20 uF Notes Vin=48 V for all outputs Line Regulation Load Regulation Regulation Over Temperature (0 °C to 70 °C) Output Current Current Limit Threshold Short Circuit Surge Transient 2 As Ripple and Noise (rms) Ripple and Noise (pk-pk) 0 - 20 MHz BW , with 1 uF ceramic load capacitance Turn on Time Power On Remote On Overshoot at Turn on Output Capacitance VO=3.3 V VO=5.0 V VO=12 V VO=24 V 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 48 Vdc Input, 3.3 Vdc/2 A, 5 Vdc/2 A, 12 Vdc/1 A, 24 Vdc/0.5 A Output Output Specifications (continued) Parameter Min Typ Max Notes - 100 mV 200 uS 100 mV 200 uS 100 mV 100 uS 100 mV 100 uS 150 mV 150 uS 150 mV 150 uS 350 mV 200 uS 350 mV 200 uS 150 mV 300 uS 150 mV 300 uS 150 mV 150 uS 150 mV 150 uS 250 mV 200 uS 250 mV 200 uS 500 mV 250 uS 500 mV 250 uS di/dt = 0.1 A/uS; Vin = 48 V; Ta = 25 °C and 1 uF ceramic capacitor Transient Response Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load VO=3.3 V VO=5.0 V VO=12 V VO=24 V Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated. General Specifications Parameter Min Typ Max 73% 78% 79% 81% 200 kHz 95%VO 77% 82% 83% 85% 250 kHz - 300 kHz 105%VO Notes Efficiency VO=3.3 V VO=5.0 V VO=12 V VO=24 V Switching Frequency Output Trim Range MTBF Vin=48 V, IO= IOmax For all outputs Calculated Per Bell Core SR-332 (IO = Nomal; Ta = 25 °C) TBD Dimensions Inches (L × W × H) Millimeters (L × W × H) Weight - 1.91 x 0.98 x 0.477 48.51 x 24.89 x 12.12 10.3 g - Note: All specifications are typical at 25 °C unless otherwise stated. Control Specifications Parameter Min Typ Max -0.3 V - 0.8 V 3.5 V - 18 V -0.3 V - 0.8 V 3.5 V - 7V 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 On. 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 48 Vdc Input, 3.3 Vdc/2 A, 5 Vdc/2 A, 12 Vdc/1 A, 24 Vdc/0.5 A Output Output Trim Equations Equations for calculating the trim resistor (in kΩ) given the desired adjusted voltage (Vadj) and the nominal output voltage of the converter (Vnom) 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 Rtrimdown A = −B Vnom − Vadj RTrimDown RTrimUp = Vadj Module Trim GND C −D − Vnom Vout Module Trim Rtrimup GND Vnom A B C D 24 12 5.0 3.3 489.490 113.550 56.410 21.628 28.310 16.990 51.200 75.400 26.660 13.020 18.228 13.020 6.810 6.490 36.500 64.900 90.0% 90.00% 85.0% 85.00% 80.0% 75.0% 36V 48V 75V 70.0% 65.0% EFFICIENCY EFFICIENCY Efficiency Data 80.00% 70.00% 65.00% 60.0% 60.00% 55.0% 55.00% 50.0% 0.20 36V 48V 75V 75.00% 50.00% 0.50 1.00 1.50 OUTPUT CURRENT(A) 0.00 2.00 90.00% 85.00% 80.00% 75.00% 70.00% 65.00% 60.00% 55.00% 50.00% 0.00 2.00 0RLC-10T050 90.00% 85.00% 36V 48V 75V EFFICIENCY EFFICIENCY 0RLC-10T033 0.50 1.00 1.50 OUTPUT CURRENT (A) 80.00% 36V 48V 75V 75.00% 70.00% 65.00% 60.00% 55.00% 50.00% 0.20 0.40 0.60 0.80 OUTPUT CURRENT (A) 0RLC-10T120 1.00 0.05 0.13 0.25 0.38 OUTPUT CURRENT (A) 0.50 0RLC-10T240 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 48 Vdc Input, 3.3 Vdc/2 A, 5 Vdc/2 A, 12 Vdc/1 A, 24 Vdc/0.5 A Output Thermal Derating Curves Vo=3.3 V, Io=2 A Vo=5 V, Io=2 A Vo=12 V, Io=1 A Vo=24 V, Io=0.5 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 48 Vdc Input, 3.3 Vdc/2 A, 5 Vdc/2 A, 12 Vdc/1 A, 24 Vdc/0.5 A Output Ripple and Noise Waveforms Vo=3.3 V Vo=12 V Vo=5.0 V Vo=24 V Note: Ripple and noise at full load, 48 Vdc input, with a 1 uF ceramic 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 ISOLATED DC/DC CONVERTERS 48 Vdc Input, 3.3 Vdc/2 A, 5 Vdc/2 A, 12 Vdc/1 A, 24 Vdc/0.5 A Output Transient Response Waveforms Vout=3.3 V 50% to 100% Load Transients Vout=3.3 V 100% to 50% Load Transients Vout=5.0 V 50% to 100% Load Transients Vout=5.0 V 100% to 50% Load Transients Vout=12 V 50% to 100% Load Transients Vout=12 V 100% to 50% Load Transients Vout=24 V 50% to 100% Load Transients Vout=24 V 100% to 50% Load Transients Note: Transient response at Vin=48 V, di/dt=0.1 A/uS, with external 1 uF ceramic capacitor, 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 ISOLATED DC/DC CONVERTERS 48 Vdc Input, 3.3 Vdc/2 A, 5 Vdc/2 A, 12 Vdc/1 A, 24 Vdc/0.5 A Output Mechanical Outline Pin Connections Pin Function 1 Vin+ 2 Vin- 3 Enable 4 Vo+ 5 Trim 6 Vo- RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. ©2007 Bel Fuse Inc. Specifications subject to change without notice. 030207 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