ISOLATED DC/AC CONVERTER 36 Vdc - 75 Vdc Input, 65 Vac - 95 Vac 17.5, 20, 25, 50 Hz/40 W Output 0RHB-40TRxx RoHS Compliant Rev.C • Isolated • Fixed Switching Frequency (110 kHz) • High Efficiency • Output Short Circuit Protection • Basic Insulation • Input Under/Over Voltage Protection • Low Cost • Over Temperature Protection • Low THD Sine Wave Output • CNT On/Off Logic • Excellent Thermal Performance • External Output Voltage Control 65 Vrms - 95 Vrms • External Digital Frequency Selection 17.5 Hz, 20 Hz, 25 Hz and 50 Hz • Overload Protection with Advanced Output Power Control Description The 0RHB-40TRxx is an isolated dc/ac ring generator that operates from a nominal 48 Vdc source. This unit provides up to 40 W output power. It is designed to be highly efficient and low cost in a half-brick package. Part Selection Output Voltage Input Voltage 65 Vac - 95 Vac 36 Vdc - 75 Vdc Max. Output Power 40 W 65 Vac - 95 Vac 36 Vdc - 75 Vdc 40 W Typical Efficiency 85% Model Number Active High 0RHB-40TRG0 Model Number Active Low 0RHB-40TRGL 85% 0RHB-40TRH0 0RHB-40TRHL Notes: 1. 0RHB-40TRGx indicates application 1, 0RHB-40TRHx indicates application 2, details please see page 5. 2. Add “G” suffix at the end of the model number to indicate Tray Packaging. 3. 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 (continuous) I/O Isolation Voltage Min -0.3 V - Typ - Max 80 V 1500 Vac Ambient Temperature -40 °C - 85 °C Storage Temperature -50 °C - 115 °C Notes Input Specifications Parameter Min 36 V Typ 48 V Max 75 V Input Current (full load) - - 1.5 A Input Current (no load) - - 60 mA Input Voltage Input Reflected Ripple Current (pk-pk) - - 150 mA Turn-on Voltage Threshold - 33 V - Under Voltage Threshold - - 32 V Over Voltage Threshold - - 90 V 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. 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/AC CONVERTER 36 Vdc - 75 Vdc Input, 65 Vac - 95 Vac 17.5, 20, 25, 50 Hz/40 W Output Output Specifications Parameter Min Output Voltage Set Point Output Frequency Typ Max 92 V 95 V 98 V f-1.0 Hz f Hz f+1.0 Hz Notes Vin=48 V, Io=50% load. Trim pin is connected to GND. Load Regulation - 1%Vo 2%Vo Line Regulation - 0.5%Vo 1%Vo Regulation Over Temperature (-40deg.C - 85deg.C) - - 0.05%Vo/C Voltage Accuracy - 3%Vo 5%Vo Frequency Accuracy - - 3%Vo THD - - 5% Output Current Range(95 Vac) 0 mA - 420 mA Output Power Limit - 50 W - Turn on Time - - 1000 mS Hiccup mode Note: All specifications are typical at nominal input, full load at 25 °C unless noted. General Specifications Parameter Efficiency Switching Frequency Isolation capacitance Output Voltage Trim Range Over Temperature Protection Min Typ Max 83% 85% - 100 kHz 110 kHz 120 kHz - 1500 pF - 65 Vac - 95 Vac - 125 °C - MTBF Notes Vin=48 V, full load , Ta=25°C Calculated Per Bell Core SR-332 (IO = 80%load; Ta = 25 °C) 2,062,694 hours Dimensions Inches millimeters Weight - 2.28 x 2.40 x 0.50 57.91 x 60.96 x 12.70 66 g - Note: All specifications are typical at 25 °C unless otherwise stated. Control Specifications Parameter Min Typ Max 36 V - 75 V -0.7 V - 30 V 36 V - 75 V -0.7 V - 30 V 0 mA - 2 mA Notes CNT On/Off Signal High (Unit On) Signal Low (Unit Off) Signal High (Unit Off) Signal Low (Unit On) Current Source/Sink Active High Active Low The CNT pin open, Unit on. The CNT pin open, Unit off. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com ISOLATED DC/AC CONVERTER 36 Vdc - 75 Vdc Input, 65 Vac - 95 Vac 17.5, 20, 25, 50 Hz/40 W Output Output Trim Equations Equations for calculating the trim resistor is shown below. The Roac resistor should be connected between the Trim pin and Gnd pin. Roac = Vout 1292 / 23 × 4.7 − 6.8( KΩ) Vo − 1292 / 23 Module Trim Roac Gnd Roac(kΩ) 56 V 65 V 70 V 75 V 80 V 85 V 90 V 95 V Open 23.113 12.296 7.224 4.281 2.359 1.005 0 Efficiency Data Efficiency Curve 95.0% Efficiency 90.0% 85.0% 36 V 48 V 75 V 80.0% 75.0% 70.0% 65.0% 60.0% 10 20 30 40 Output Power(W) Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com ISOLATED DC/AC CONVERTER 36 Vdc - 75 Vdc Input, 65 Vac - 95 Vac 17.5, 20, 25, 50 Hz/40 W Output Thermal Derating Curves With maximum junction temperature of semiconductors derated to 120 degree C. Vin=48 V Frequency Setting Output Frequency （Hz） OPTF1 OPTF2 17.5 20 25 50 0 0 1 1 0 1 0 1 OPTF1 and OPTF2: 0: Connected to GND 1: Open Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com ISOLATED DC/AC CONVERTER 36 Vdc - 75 Vdc Input, 65 Vac - 95 Vac 17.5, 20, 25, 50 Hz/40 W Output Typical Application Typical Application 1 (0RHB-40TRGx) Output AC is superimposed on DC bias – A single DC power supply is used for the Ring Generator feeding and for the output biasing. 0RHB -40TRGx + -48V Rtn Vo1(~) 10 1 V(+) 12uH /3A TRIM 9 2 CNT 220 uF/100 V 220uF/100 V Telephone Ports OPTF 1 8 OPTF2 7 3 CASE 220 uF /100V 0V -48V GND 6 4 V(-) - Vo2(~) 5 -48V Typical Application 2 (0RHB-40TRHx) Output AC is superimposed on DC bias – Two DC power supplies are used, one for the Ring Generator feeding and another for the output biasing. 0RHB-40TRHx + -48V Rtn 1 V(+) Vo1(~) 10 12 uH/3 A TRIM 9 2 CNT 220 uF/100V 220 uF/100 V 220 uF/100 V 3 CASE OPTF2 7 0V GND 6 4 V(-) -48V OPTF 1 8 -48V Telephone Ports Vo2(~) 5 DC Bias 48V - Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com ISOLATED DC/AC CONVERTER 36 Vdc - 75 Vdc Input, 65 Vac - 95 Vac 17.5, 20, 25, 50 Hz/40 W Output Mechanical Outline Pin Connections pin function pin function pin function 1 2 3 4 Vin(+) CNT Case Vin(-) 5 6 7 Vo2(~) GND OPTF2 8 9 10 OPTF1 Trim Vo1(~) Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com ISOLATED DC/AC CONVERTER 36 Vdc - 75 Vdc Input, 65 Vac - 95 Vac 17.5, 20, 25, 50 Hz/40 W Output INSTALLATION INSTRUCTION 1) The DC-AC Converter can be operated at an ambient temperature up to 85°C maximum. 2) The DC-AC Converter is a built-in component. During installation into certain equipment the relevant requirements of EN 60950-1:2001 + A11 and IEC 60950-1:2001 shall be maintained. 3) The creepage distances, clearances and thickness of insulation between unearthed hazardous voltage input and hazardous voltage output circuits have complied with basic insulation requirements according to EN 60950-1:2001 + A11 and IEC 60950-1:2001. 4) The output ratings as shown on the label must not be exceeded. 5) The equipment is to be supplied from a DC source which is separated from AC mains by double or reinforced insulation, or by basic insulation and suitable earthing providing equivalent protection. 6) The equipment is intended to be installed into a class I or class II system, when installed into class I system, protective earth has to be reliably identified and suitable external protection devices have to be provided in the final system. 7) The equipment shall be installed with an external forced air-cooling according to installation instruction accompanied with the unit. The airflow direction is towards the side of the equipment. 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. 090508 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