ISOLATED DC/DC CONVERTERS 36 - 75 Vdc Input 1.2 Vdc /100 A Output 0RQB-C8TV2x RoHS Compliant Rev.C • Isolated • Low Cost • Fixed Frequency (310 kHz) • Output Over-Voltage Protection • High Efficiency • Over Temperature Protection • High Power Density • SCP/OCP • Input Under-Voltage Protection • Remote On/Off Description The 0RQB-C8TV2x is an isolated dc/dc converter that operates from a nominal 48 Vdc source. This converter provides up to 120 W of output power. Features include remote on/off, short circuit protection, over current protection, over-temperature protection, output over-voltage protection, input under-voltage protection. This converter is provided in a compact, though-hole package that is easy to use and provides good thermal performance. Part Selection Output Voltage Input Voltage Max. Output Current Max. Output Power Typical Efficiency Model Number Active High Model Number Active Low 1.2 Vdc 36 Vdc - 75 Vdc 100 A 120 W 87% 0RQB-C8TV20 0RQB-C8TV2L 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 Input Voltage Min -0.3 V Typ - Max 80 V Remote On/Off -0.3 V - 15 V Ambient Temperature -40 °C - 85 °C Storage Temperature -55 °C - 125 °C Notes 100 V for 100 mS Max Note: All specifications are typical at 25 °C unless otherwise stated. Input Specifications Parameter Input Voltage Min 36 V Typ 48 V Max 75 V Input Current (full load) - - 4.5 A Input Current (no load) - - 100 mA Remote Off Input Current - 5 mA 10 mA - 20 mA 40 mA - 5 mA 10 mA - - 0.1 A s Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (rms) 2 I t Inrush Current Transient Notes With simulated source impedance of 10 uH, 5 Hz to 20 MHz; use a 47 uF/100 V electrolytic capacitor with ESR = 1 ohm max at 200 kHz 2 Turn-on Voltage Threshold 32 V 34 V 35 V Turn-off Voltage Threshold 30 V 32 V 34 V 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 36 - 75 Vdc Input 1.2 Vdc /100 A Output Output Specifications Parameter Output Voltage Set Point Min 1.176 V Typ 1.2 V Max 1.224 V Notes Vin=48 V, half load Load Regulation - 5 mV 10 mV Vin=36-75 V, full load Line Regulation Regulation Over Temperature (-40deg.C-85deg.C) Output Current Range - 2 mV 5 mV Vin=48 V, Iout=0-120 A - - 0.01%Vo/C 0A - 100 A Output DC Current Limit 110 A 120 A 130 A Ripple and Noise (rms) - 15 mV 30 mV Ripple and Noise (pk-pk) - 50 mV 100 mV Rise time 4 mS 8 mS Power up 4 mS 8 mS Remote on/off 70 mS 100 mS Power up - 70 mS 100 mS Remote on/off - - 3% 0 uF - 400,000 uF Start-up time Overshoot at Turn on Output Capacitance 0 - 20 MHz BW, with a 10 uF ceramic cap and a 330 uF tantalum cap at output Transient Response 50% ~ 75% Max Load 75% ~ 50% Max Load Overshoot - 80 mV 150 mV Settling Time - 200 uS 300 uS - 80 mV 150 mV - 200 uS 300 uS Overshoot VO=1.2 V Settling Time di/dt=0.1A/us, Vin=48 Vdc, Ta=25 °C. Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated. General Specifications Parameter Min - Typ 87% Max - Switching Frequency 290 kHz 310 kHz 330 kHz Input to Output Isolation Voltage 1500 V - - - 1500 pF - 10 Mohm - - 1.40 V - 1.54 V Hiccup Mode - - 10%Vo 80%Vo - 110%Vo The total voltage increased by trim and remote sense should not exceed 10%Vo. - 120 °C - Efficiency Isolation Capacitance Isolation Resistance Output Voltage Protection Remote Sense Compensation Output Voltage Trim Range Over Temperature Protection MTBF Notes Vin=48 V, full load No Latch; PCB Temperature Calculated Per Bell Core SR-332 (Vin=48 V, Io=normal , Ta = 25 °C) TBD Dimensions Inches millimeters Weight - 2.30 x 1.45 x 0.500 58.42 x 36.83 x 12.70 60.7 g - 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 ISOLATED DC/DC CONVERTERS 36 - 75 Vdc Input 1.2 Vdc /100 A Output 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 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 are shown below. The Trim Down resistor should be connected between the Trim pin, GND pin and -sense pin. The Trim Up resistor should be connected between the Trim pin, Vout pin and the +sense pin. Only one of the resistors should be used for any given application. Rtrim_up( Vadj) := 6.25 − 0.1⋅ ( 1 + delta) ⋅ Vo 0.51⋅ (1 + delta )⋅ Vo − 0.6125 Vout +sense Rtrim_up Trim -sense GND Rtrim_down( Vadj) := 8.13 + 20⋅ (1 + delta)⋅ Vo 10.2 − 7.86⋅ ( 1 + delta )⋅ Vo Vout +sense Trim Rtrim_down Note: d e lta = (V a d j − V o ) × 10 0 Vo [% ] -sense GND Vadj is the desired output voltage Vo = 1.201V @Iout=0 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 36 - 75 Vdc Input 1.2 Vdc /100 A Output Efficiency Efficiency Data 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 Vin=36V Vin=48V Vin=75V 0 10 25 50 Io (%Iomax) 75 100 Thermal Derating Curve 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 36 - 75 Vdc Input 1.2 Vdc /100 A Output Ripple and Noise Waveforms 36 Vdc input 48 Vdc input 75 Vdc input Note: Ripple and noise at full load, with a 10 uF ceramic cap and a 330 uF tantalum cap 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 36 - 75 Vdc Input 1.2 Vdc /100 A Output Transients Responses Waveforms 50%-75% Load Transients at Vin=48 V 75%-50% Load Transients at Vin=48 V Note: Transients response at di/dt=0.1 A/us, Vin=48 Vdc, 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 36 - 75 Vdc Input 1.2 Vdc /100 A Output Mechanical Outline Pin Connections Pin 1 2 3 4 5 6 7 8 9 10 Function Vin(+) On/Off Vin(-) Vo(-) Vo(-) Sense(-) Trim Sense(+) Vo(+) Vo(+) Pin Size 0.040’’ 0.040’’ 0.040’’ 0.062’’ 0.062’’ 0.040’’ 0.040’’ 0.040’’ 0.062’’ 0.062’’ RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. ©2008 Bel Fuse Inc. Specifications subject to change without notice. 082608 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