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TQN20A48S12SB-RJ Datasheet(PDF) 2 Page - Emerson Network Power |
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TQN20A48S12SB-RJ Datasheet(HTML) 2 Page - Emerson Network Power |
2 / 4 page Rev.04.02.08 Quarter-brick narrow input IBC 2 of 4 Embedded Power for Business-Critical Continuity All specifications are typical at nominal input, full load at 25 °C ambient unless otherwise stated. Specifications OUTPUT SPECIFICATIONS Output voltage 12 V Current share accuracy Full load 10% Line regulation Low line to high line ±10% max. Load regulation Full load to min. load 6% max. Minimum load 0 A Overshoot 3.0% max. Undershoot 200 mV max. Ripple and noise 5-20 MHz 150 mV pk-pk (See Note 1) Transient response Deviation <100 mV (See Note 2) <100 μs recovery to within total error band Overvoltage setpoint 13.8 V INPUT SPECIFICATIONS Input voltage range Nominal 48 Vdc ±10% Vdc Input current No load 100 mA typ. Remote OFF 2 mA typ. Input reflected ripple (See Note 3) 34 mA rms 100 mA pk-pk Remote ON/OFF ON >1.7 Vdc OFF <0.8 Vdc Under-voltage lockout Power up 41.0 V Power down 38.6 V Start-up time Power up <50 ms (See Note 4) Power down <20 ms EMC CHARACTERISTICS Conducted emissions EN55022 (See Note 5) Level A EN55022 (See Note 5) Level B Immunity: ESD air EN61000-4-2 4 kV ESD contact EN61000-4-2 4 kV Radiated field enclosure EN61000-4-3 3 V/m Conducted (dc power) EN61000-4-6 3 V Conducted (signal) EN61000-4-6 3 V GENERAL SPECIFICATIONS Efficiency Half load Up to 96% typ. Isolation Input/output 2250 Vdc Switching frequency Fixed 300 kHz typ. Approvals and EN60950 (TÜV Product Service) standards (See Note 6) UL/cUL60950 Material flammability UL94V-0 Weight 56.66 g (2 oz) MTBF MIL-HDBK-217F 1,000,000 hours Representative model: 25 A @ 48 Vin, 40 °C ambient 100% load ground benign Telcordia SR-332 2,828,160 hours ENVIRONMENTAL SPECIFICATIONS Thermal performance Operating ambient, 0 °C to +80 °C (300 LFM airflow) temperature Non-operating -55 °C to +125 °C |
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