ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output 0RHB-D0T Series RoHS Compliant Rev.A • Isolated • Output Over Voltage Shutdown • High Efficiency • OCP/SCP • High Power Density • Over Temperature Protection • Low Cost • Remote On/Off • Input Under Voltage Lockout • Output Voltage Trim • Fixed frequency (330 kHz) • Positive/Negative Remote Sense • Basic Isolation • Remote On/Off Logic (option) • Input Over Voltage Lockout • UL60950-1 Recognized (UL/cUL) Description The 0RHB-D0T Series are isolated dc/dc converters that operate from a nominal 48 Vdc source. These units provide up to 200 W of output power from a nominal 48 Vdc input. These units are designed to be highly efficient and low cost. Features include remote on/off, over current protection and under voltage lockout. These converters are provided in an industry standard half-brick package. Part Selection Output Voltage Input Voltage Max. Output Current Max. Output Power Typical Efficiency Model Number Active High Model Number Active Low 12.0 V 36 V - 75 V 20 A 240 W 94% 0RHB-D0T120 0RHB-D0T12L 5.0 V 36 V - 75 V 48 A 240 W 92.5% 0RHB-D0T050 0RHB-D0T05L 3.3 V 36 V - 75 V 70 A 231 W 92% 0RHB-D0T033 0RHB-D0T03L 2.5 V 36 V - 75 V 80 A 200 W 91% 0RHB-D0T025 0RHB-D0T02L 1.8 V 36 V - 75 V 80 A 144 W 89% 0RHB-D0TV80 0RHB-D0TV8L 1.5 V 36 V - 75 V 80 A 120 W 87% 0RHB-D0TV50 0RHB-D0TV5L 1.2 V 36 V - 75 V 80 A 96 W 85% 0RHB-D0TV20 0RHB-D0TV2L 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 Min Typ Max Input Voltage (continuous) Parameter -0.3 V - 80 V Remote On/Off -0.3 V - 18 V - - 2000 V Ambient Temperature -40 °C - 85 °C Storage Temperature -55 °C - 125 °C I/O Isolation Voltage Notes 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 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output Input Specifications Parameter Input Voltage Input Current (full load) Min 36 V Typ 48 V Max 75 V - - 7.5 A 7.5 A 7.3 A 6.4 A 4.7 A 4.0 A 3.3 A Input Current (no load) Remote Off Input Current - 120 mA 5 mA 180 mA 10 mA Input Reflected Ripple Current (pk-pk) - 20 mA 40 mA Input Reflected Ripple Current (rms) - 5 mA 10 mA Vo=12.0 V Vo=5.0 V Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V 2 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 I t Inrush Current Transient - 0.05 A s 0.1 A s Turn-on Voltage Threshold Turn-off Voltage Threshold Input Over Voltage Lockout 32 V 30 V 76 V 34 V 32 V 78 V 35 V 34 V 80 V Output Specifications Parameter Output Voltage Set Point Min Typ Max 11.760 V 4.925 V 3.250 V 2.462 V 1.773 V 1.477 V 1.176 V 12.000 V 5.000 V 3.300 V 2.500 V 1.800 V 1.500 V 1.200 V 12.240 V 5.075 V 3.350 V 2.538 V 1.827 V 1.523 V 1.224 V VO=12.0 V VO=5.0 V VO=3.3 V Vo=1.2 V - 2.5 V - ±12 mV ±5 mV ±3 mV ±3 mV ±24 mV ±10 mV ±7 mV ±6 mV VO=12.0 V VO=5.0 V VO=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V - ±30 mV ±10 mV ±7 mV ±6 mV ±5 mV ±4 mV ±3 mV ±60 mV ±20 mV ±15 mV ±13 mV ±9 mV ±8 mV ±6 mV Regulation Over Temperature (-40 °C to +85 °C) VO=12.0 V VO=5.0 V VO=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V - ±60 mV ±45 mV ±30 mV ±25 mV ±20 mV ±20 mV ±15 mV ±100 mV ±75 mV ±50 mV ±45 mV ±40 mV ±35 mV ±30 mV VO=12.0 V VO=5.0 V Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V Line Regulation Load Regulation Notes Vin=48 V, Io=50% full load, Ta=25 °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 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output Output Specifications (continued) Parameter Min Typ Max VO=12.0 V VO=5.0 V Vo=3.3 V Vo=1.2 V - 2.5 V 0A 0A 0A 0A - 20 A 48 A 70 A 80 A VO=12.0 V VO=5.0 V Vo=3.3 V Vo=1.2 V - 2.5 V 21 A 50 A 74 A 86 A - 25 A 58 A 84 A 96 A 2 3A s 30 A 66 A 94 A 106 A 2 5A s VO=12.0 V VO=5.0 V Vo=3.3 V Vo=1.2 V - 2.5 V - 30 mV 25 mV 20 mV 15 mV 50 mV 50 mV 40 mV 30 mV VO=12.0 V VO=5.0 V Vo=3.3 V Vo=1.2 V - 2.5 V - 100 mV 80 mV 55 mV 40 mV 150 mV 150 mV 100 mV 80 mV 10 mS 8 mS 5 mS - 0% 30 mS 20 mS 15 mS 5% 0 uF 0 uF 0 uF - 2200 uF 10000 uF 20000 uF Overshoot - 600 mV 800 mV Settling Time - 300 uS 500 uS - 600 mV 800 mV - 300 uS 500 uS 250 mV 400 mV Notes Output Current Current Limit Threshold Short Circuit Surge Transient Hiccup Mode Ripple and Noise (rms) Ripple and Noise (pk-pk) Test conditions: 0-20 MHz BW, with a 1 uF ceramic capacitor and a 10 uF Tantalum capacitor at the output. Turn on Time VO=5.0 V - 12.0 V Vo=3.3 V Vo=1.2 V - 2.5 V Overshoot at Turn on Output Capacitance VO=12.0 V VO=5.0 V Vo=1.2 V - 3.3 V Transient Response 50% ~ 75% Max Load 75% ~ 50% Max Load 50% ~ 75% Max Load 75% ~ 50% Max Load 50% ~ 75% Max Load 75% ~ 50% Max Load 50% ~ 75% Max Load 75% ~ 50% Max Load Overshoot VO=12.0 V Settling Time Overshoot Settling Time Overshoot VO=5.0 V - 250 uS 400 uS - 250 mV 400 mV Settling Time - 250 uS 400 uS Overshoot - 150 mV 200 mV Settling Time Overshoot VO=3.3 V - 200 uS 300 uS - 150 mV 200 mV Settling Time - 200 uS 300 uS Overshoot - 100 mV 200 mV Settling Time Overshoot Settling Time VO=1.2 V - 2.5 V - 200 uS 300 uS - 100 mV 200 mV - 200 uS 300 uS Test conditions: di/dt = 0.1 A/uS, Vin=48 V, Ta=25 °C 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 noted. 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 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output General Specifications Parameter Min Typ Max Notes 91% 89% 89% 88% 86% 84% 82% 94% 92.5% 92% 91% 89% 87% 85% - Switching Frequency 280 kHz 330 kHz 380 kHz Isolation capacitance - 1500 pF - Remote Sense Compesation - - 10% Vo Output Voltage Trim Range 80% Vo - 110% Vo Over Temperature Protection - 125 °C - Over Voltage Protection - 130% Vo - Efficiency VO=12.0 V VO=5.0 V VO=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V MTBF Vin=48 V, full load , Ta=25 °C The total voltage increased by trim and remote sense should not exceed 10%Vo. Vin=48V, full load, Hiccup mode Calculated Per Bell Core SR-332 (Vin=48 V; Vo=2.5 V, IO = 80%Iomax; Ta = 25 °C) 1,113,071 hours Dimensions Inches millimeters Weight 2.28 x 2.4 x 0.42 57.51 x 60.98 x 10.67 - 76 g - Note: All specifications are typical at nominal input, full load at 25 °C unless noted. Control Specifications Parameter Min Typ Max -0.3 V - 0.8 V 2.4 V - 18 V -0.3 V - 0.8 V 2.4 V - 18 V 0 mA - 0.75 mA Notes 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 0RHB-D0TxxL. The remote on/off pin open, Unit off. 0RHB-D0Txx0. 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 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output 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. 100 −2 delta Rtrimdown = Vout Module 1.5 V-12 V: Rtrimup = 1.2 V: Rtrimup = Notes: delta = Trim (100 + delta ) ⋅ Vo − 122.5 −2 1.225 ⋅ delta GND (100 + delta ) ⋅ Vo − 61.25 −2 0.6125 ⋅ delta Vout Module Rtrimdown Rtrimup Trim (Vo _ req − Vo ) ×100[%] GND Vo Vo_req=Desired(trimmed) output voltage[V] Output voltage Vo=3.308 V for 3.3 V output; Vo=5.000 V for 5.0 V; Vo=12.000 V for 12 V output Efficiency Data Efficiency Curve Efficiency Curve 94% 36 V 48 V 75 V 91% 88% 85% 91% Efficiency Efficiency 94% 82% 36 V 48 V 75 V 88% 85% 82% 79% 79% 76% 3 5 8 10 13 15 18 20 5 10 15 20 25 30 35 40 45 48 Output Current (A) Output Current (A) 0RHB-D0T12x 0RHB-D0T05x Efficiency Curve Efficiency Curve 94% 94% Efficiency 36 V 48 V 75 V 88% 85% 82% Efficiency 91% 91% 36 V 48 V 75 V 88% 85% 82% 79% 79% 76% 76% 73% 10 20 30 40 50 Output Current (A) 0RHB-D0T03x 60 70 10 20 30 40 50 60 70 80 Output Current (A) 0RHB-D0T02x 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 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output Efficiency Data (continued) Efficiency Curve 92% 89% 86% 83% 80% 77% 74% 71% 36 V 48 V 75 V 10 20 30 40 50 60 70 Efficiency Efficiency Efficiency Curve 80 90% 87% 84% 81% 78% 75% 72% 69% 36 V 48 V 75 V 10 20 30 Output Current (A) 40 50 60 70 80 Output Current (A) 0RHB-D0TV8x 0RHB-D0TV5x Efficiency Efficiency Curve 88% 85% 82% 79% 76% 73% 70% 67% 64% 61% 36 V 48 V 75 V 10 20 30 40 50 60 70 80 Output Current (A) 0RHB-D0TV2x Thermal Derating Curves 0RHB-D0T12x 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 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output Thermal Derating Curves (continued) 0RHB-D0T05x 0RHB-D0T02x 0RHB-D0TV5x 0RHB-D0T03x 0RHB-D0TV8x 0RHB-D0TV2x 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 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output Ripple and Noise Waveforms 48 Vdc input, 12 Vdc/20 A output 48 Vdc input, 5 Vdc/48 A output 48 Vdc input, 3.3 Vdc/70 A output 48 Vdc input, 2.5 Vdc/80 A output 48 Vdc input, 1.8 Vdc/80 A output 48 Vdc input, 1.5 Vdc/80 A output 48 Vdc input, 1.2 Vdc/80 A output Note: Ripple and noise at full load, with a 1uF ceramic cap and a 10 uF Tantalum cap at output, 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 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output Transient Response Waveforms Vout=12 V, 50% to 75% Load Transients Vout=5 V, 50% to 75% Load Transients Vout=3.3 V, 50% to 75% Load Transients Vout=12 V, 75% to 50% Load Transients Vout=5 V, 75% to 50% Load Transients Vout=3.3 V, 75% to 50% Load Transients 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 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output Transient Response Waveforms (continued) Vout=2.5 V, 50% to 75% Load Transients Vout=2.5 V, 75% to 50% Load Transients Vout=1.8 V, 50% to 75% Load Transients Vout=1.8 V, 75% to 50% Load Transients Vout=1.5 V, 50% to 75% Load Transients Vout=1.5 V, 75% to 50% Load Transients 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 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output Transient Response Waveforms (continued) Vout=1.2 V, 50% to 75% Load Transients Vout=1.2 V, 75% to 50% Load Transients Note: Transient Response at di/dt=0.1 A/us, Vin=48 Vdc, Ta=25 °C, with a 1 µF ceramic capacitor and a 10 µF tantalum capacitor at output. Mechanical Outline 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 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output Mechanical Outline (continued) Pin Connections pin# function pin size pin# function pin size 1 +Input 0.04" 7 -Sense 0.04" 2 On/Off 0.04" 8 Trim 0.04" 3 N/A 9 +Sense 0.04" 4 -Input 0.04" 10 +Output 0.08" 5 -Output 0.08" 11 +Output 0.08" 6 -Output 0.08" Notes: 1. Pin 7 must be connected to -Output. 2. Leave Pin 8 open for nominal voltage. 3. Pin 9 must be connected to +Output. 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. 030307 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