Embedded Power for Business-Critical Continuity Rev. 09.29.10 LQS Series 1 of 5 LQS Series Quarter-Brick Series Total Power: 200 Watts Input Voltage: 36 V to 75 V of Outputs: 1 Electrical Specifications Special Features Input Ultra high efficiency topology 24 V nominal 18 - 36 Vdc Unprecedente d useable Input voltage range: 48 V nominal 36 - 75 Vdc output power levels No load 85 mA to 150 mA 3) High power density (200 W/in Input current: Remote OFF 5 mA open-frame technology Logic compatibility Open collector ref to -input Wide ambient temperature Active high remote ON/OFF: ON Open circuit or > 2.4 Vdc range, -40 C to +85 C OFF < 0.4 Vdc 80% to 110% output trim Power up 35.5 V (typ.) Undervoltage lockout: Monotonic start-up in normal Power down 33.5 V (typ.) and prebiased loads Power up 10 ms (typ.) Basic insulation system Start-up time (See note 2): Remote ON/OFF 10 ms (typ.) Overvoltage and overtemperature protection Output Secondary side control, no Voltage adjustability: 80% to 110% optocouplers, fast transient Minimum load: 0% response Overshoot At turn-on and turn-off None 100 V, 100 ms input transient None rated Undershoot: Available RoHS compliant 70 mV, typ. deviation Transient response: 20 s recovery (See note 1) Safety UL, cUL 60950-1 Ed 2 CSA C22.2 No 60950-1 Ed 2 VDE EN60950-1:2006 + A11:2009process yellow 116 Embedded Power for Business-Critical Continuity 1375 1797 Rev. 09.29.10 LQS Series 2 of 5 375 Electrical Specifications continued 3405 EMC Characteristics Immunity: ESD air enclosure: EN61000-4-2 8 kV/6 kV (O/P within spec.) Radiated field enclosure: EN61000-4-3 10 V/m (O/P within spec.) 313 Conducted: EN61000-4-6 10 V (O/P within spec.) Input transients: 100 V, 100 ms General Characteristics Basic insulation: Input/output 2250 Vdc 2985 Switching frequency: Fixed 480 kHz Approvals and standards: (See Note 3) EN60950-1 VDE, UL/cUL 60950-1 Material flammability: UL94V-0 240 Weight: 37g (1.30 oz) MTBF: Telcordia Tech SR-332 3,866,933 hours Environmental Specifications Thermal performance: Operating ambient temperature -40 C to +85 C 242 Non-operating -55 C to +125 C Protection Short-circuit Continuous Overvoltage Non-latching Thermal 125 C hot spot temperature with automatic recovery 2607 652