Embedded Power for Business-Critical Continuity Rev.11.26.07 rfb300/350 1 of 6 RFB300/350 Series Single Output Total Power: 300 - 350W Input Voltage: 18 - 36 Vdc 36 - 75 Vdc of Outputs: Single RFB300/350 series is a high efficiency, enclosed, isolated dc-dc Special Features High efficiency topology converter series in an industry standard half-brick package that Wide temperature range, provides up to 350 W of output power. The series delivers very -40 C to +100 C full power High power density high usable output power for todays high performance RF power 3 (160 W/in in 0.4 tall version) amplifier and similar applications. The four models in the series Input voltage range: 18-36 Vdc or 36-75 Vdc feature an input voltage range of 18 Vdc to 36 Vdc and 36 Vdc to Output voltage range: 7.2-13.2 Vdc or 16.8-29.4 Vdc 75 Vdc and an output voltage of 12 V and 28 V. The output voltage Remote ON/OFF is adjustable from 7.2 Vdc to 13.2 Vdc or 16.8 Vdc to 29.4 Vdc (not Operational insulation system Available RoHS compliant to exceed 308 W for the RFB300 300 W for the RFB300-24S12 2 Year Warranty and 350 W for the RFB350). The series also has a remote ON/OFF capability. Overcurrent, overvoltage and overtemperature protection features are included as standard. Negative logic remote ON/OFF and other options are also available. Full international safety approval including EN/IEC60950 VDE and UL/cUL60950 reduces compliance costs and time to market. Safety UL/cUL CAN/CSA 22.2 No. 60950 File No. E135734 VDE0805/EN60950/IEC950 File No. 10401-3336-0198 Licence No. 40005395Embedded Power for Business-Critical Continuity Rev.11.26.07 rfb300/350 Specifications 2 of 6 All specifications are typical at nominal input, full load at 25 C unless otherwise stated. External output capacitance required (See Note 4). ABSOLUTE MAXIMUM RATINGS EMC CHARACTERISTICS Conducted emissions EN55022 See Application Note 167 Input voltage - peak 24 Vin -0.5-50 Vdc Radiated emissions EN55022 See Application Note 167 (100 ms max., 48 Vin -0.5-100 Vdc 1.0 % duty cycle max.) GENERAL SPECIFICATIONS Input voltage continuous 24 Vin -0.5-40 Vdc Efficiency 24 Vin 12 V model 86% 48 Vin -0.5-80 Vdc 24 Vin 28 V model 90% Vin = Vin (nom), 48 Vin 12 V model 88% Adjust pin voltage (with -0.5-12 Vdc Iout (max.) 48 Vin 28 V model 91% respect to -sense pin) Approvals and VDE IEC60950 OUTPUT SPECIFICATIONS standards IECEE CB, UL/cUL60950 Voltage adjustability 12 Vout 7.2-13.2 Vdc Material Flammability UL94V-0 28 Vout 16.8-29.4 Vdc Weight 0.5 inch tall version 110 g (3.88 oz.) Min./max. load 12 Vout 0/25 A, 0/29.2 A 28 Vout 0/11 A, 0/12.5 A MTBF 55 C 12 V model 1,900,000 hours min. Telcordia SR-332 Issue 1 28 V model 2,400,000 hours min. Output load capacitance 12 Vout 470 F to 4,700 F (See Note 10) 28 Vout 330 F to 3,300 F ENVIRONMENTAL SPECIFICATIONS Rise time (See Note 12) 5 ms typ. Thermal performance Operating baseplate, -40 C to +100 C temperature INPUT SPECIFICATIONS Non-operating -40 C to +100 C Input current 24 Vin 23.8 A max. lo max. RC PIN ELECTRICAL INTERFACE (See Note 3) 48 Vin RFB300 11.2 A max. lo max. 48 Vin RFB350 13 A max. lo max. Open collector compatible (See AN 167 for remote ON/OFF) Input reflected ripple 24 Vin 12 mA (pk-pk) RC: (See Note 4) 48 Vin 12 V model 42 mA (pk-pk) ON voltage (See Note 13) 5 V min. 48 Vin 28 V model 28 mA (pk-pk) Open circuit voltage 5 V min, 11 V typ 13 V max. Input capacitance - 24 Vin 39 F High level leakage current (See Note 14) -25 A max. Internal filter 48 Vin 13 F OFF voltage (See Note 15) 1.2 V max. Low level input current (See Note 16) -250 A max. 2 Inrush current (See Note 11) 2 A s Ordering Information OUTPUT OUTPUT OUTPUT REGULATION INPUT OUTPUT EFFICIENCY MODEL POWER CURRENT CURRENT 18,20 VOLTAGE VOLTAGE (TYP.) NUMBER ( ) LINE LOAD (MAX.) (MIN.) (MAX.) 300 W 18-36 Vdc 7.2-13.2 Vdc 0 A 25 A 86% 0.15% 0.2% RFB300-24S12Y 308 W 18-36 Vdc 16.8-29.4 Vdc 0 A 11 A 90% 0.15% 0.2% RFB300-24S28Y 308 W 36-75 Vdc 16.8-29.4 Vdc 0 A 11 A 91% 0.15% 0.2% RFB300-48S28Y (17) 350 W 36-75 Vdc 7.2-13.2 Vdc 0 A 29.2 A 88% 0.15% 0.2% RFB350-48S12Y 350 W 36-75 Vdc 16.8-29.4 Vdc 0 A 12.5 A 91% 0.15% 0.2% RFB350-48S28Y