process yellow 116 1375 1797 375 3405 313 2985 240 Embedded Power for Business-Critical Continuity 242 2607 Rev.02.23.10 64 EXB50 Series 1 of 4 652 EXB50 Series Single output Total Power: 20-50W Input Voltage: 36-75VDC of Outputs: Single Special Features Electrical Specifications High efficiency topology, 91% typical on EXB50-48S05J Output Industry standard footprint Voltage adjustability: 60% to 110% Wide operating temperature -40 C to +70 C Setpoint accuracy: 1.5% (natural convection) Line regulation: Low line to high line 0.1% max. 60% to 110% output trim No minimum load Load regulation: Full load to min. load 0.2% max. Overvoltage and Total error band: 3.0% overtemperature protection Remote sense compensation Minimum load: 0% Remote ON/OFF Overshoot: At turn-on and turn-off None Available RoHS compliant 2 year warranty Undershoot: None Ripple and noise: 5 Hz to 20 MHz 100 mV pk-pk (see Note 1) 20 mV rms Transient response: 48 V models 2.0% peak deviation, 200 s recovery (See Notes 2 and 8) to within total error band Remote sense: (See Note 9) 10% o/p voltage change All specifications are typical at nominal input, full load at 25 C unless otherwise stated. Safety UL/cUL CAN/CSA 22.2 No. 60950-00 : UL 60950 File No. E174104 TV Product Service. Certificate No. B 03 08 38572 036process yellow 116 1375 1797 375 3405 313 2985 240 242 Embedded Power for Business-Critical Continuity 2607 Rev.02.23.10 64 EXB50 Series 2 of 4 652 Electrical Specifications cont. Input Input voltage range: 48 V nominal 36 - 75 Vdc (See Note 14) 100 V 100 ms transient Input current: 48 V no load 60 mA max. 10 mA max. 48 V Remote OFF Input current (max) 48 V models 1.7 A max. Io max. and Vin = 36 - 75 Vdc (See Note 4) Input reflected ripple: 48 V models 50 mA (pk-pk) typ. (See Note 6) Remote ON/Off (See Note 15) Logic compatibility Open collector ref to -Input ON Open circuit or > 2 Vdc OFF < 1.2 Vdc Undervoltage lockout: 48 V Power up 33.2 V max. 48 V Power down 30.9 V min. Start-up time: Power up 30 ms (see Note 7) Remote ON/OFF 25 ms EMC Characteristics Conducted emissions: EN55022 (See Note 3) Level A EN55022 (See Note 3) Level B Radiated emissions: EN55022 Level A Immunity: (See Note 13) ESD air: EN61000-4-2 8 kV (NP), 15 kV (RP) ESD contact: EN61000-4-2 6 kV (NP), 8 kV (RP) Radiated field enclosure: EN61000-4-3 10 V/m (NP) Conducted (DC power): EN61000-4-6 10 V/m (NP) Conducted (signal) EN61000-4-6 10 V/m (NP) General Specifications Efficiency: See table Basic insulation: Input/output 1500 Vdc Switching frequency: Fixed 300 kHz typ. Approvals & Standards: (See Note 5) IEC60950/EN60950, UL/cUL1950, CSA C22.2 No. 950 Material flammability: UL94V-0 Weight: 50 g (1.77 oz) MTBF: MIL-HDBK-217F 25 C 270,000 hours 100% load ground benign Environmental Specifications Thermal performance: Operating ambient, temperature -40 C to +70 C (See Notes 11, 12) (natural convection) -55 C to +125 C Non-operating ETS 300 019-2-3 Classes T3.1 to T3.5 Altitude: 3,000 metres Derate max. output current by 20% (See Note 10) Derate max. output current by 50% 10,000 metres All specifications are typical at nominal input, full load at 25 C unless otherwise stated.