CUS250LD Series 250W Single Output Low Pro le Power Supplies Features High E ciency, up to 90% 1.18 high Wide Range AC Input Convection Cooled Coated pcb as standard Three year warranty Key Market Segments & Applications Speci cations Model CUS250LD AC Input Voltage (300VAC for 5s) VAC 85 - 265VAC Input Frequency Hz 47 - 63Hz DC Input Voltage VDC 120 - 370VDC (No safety certi cation) Inrush Current (cold start) A 20A at 115VAC, 40A at 230VAC Power Factor - Meets EN61000-3-2 (Typical PF 0.98/0.95)(1) Input Current (115/230VAC) A 2.8 / 1.4 Temperature Coe cient - <0.02%/C (0 - 50C) Overcurrent Protection - > 105% Overvoltage Protection (2) V 3.3V: 4 - 5.25V, 4.2V: 5 - 6.5V, 5V: 5.75 - 7.5V, 12V: 13.8 - 16.2V, 24V: 27.6 - 32.4V Hold Up Time ms 20ms Leakage Current (240VAC 60Hz) mA <0.75mA Remote Sense - No LED Indicator - Green LED = On o o o U Channel: -25 to +70 C. Full load at 40 C. Derate to 50% load at 70 C o o o Operating Temperature (3) C With Cover: -25 to +70 C. Full load at 40 C. Derate to 40% load at 70 C Storage Temperature C -30 to +75C Operating Humidity (non condensing) % 30 - 90% RH Storage Humidity (non condensing) % 10 - 90% RH Cooling - Convection Withstand Voltage - Input to Ground 2kVAC, Input to Output 3kVAC, Output to Ground 500VAC for 1 min. Isolation Resistance M >100M at 25C & 70%RH, Output to Ground 500VDC 2 Vibration (non operating) - 10 - 55Hz: 19.6m/s constant sweep 1 min X, Y, Z for 1 hour 2 Shock - < 196.1 m/s (20G) Immunity - IEC61000-4-2 (lv 2, 3), -3 (lv3), -4 (lv 3), -5 (lv3, 4), -6 (lv 3), -8 (lv 4), -11 Safety Agency Certi cations - IEC/UL/CSA/EN62368-1, 60950-1 (cTUVus), CE Mark Conducted & Radiated EMI - EN55022-B, FCC-B Weight (Typ) g 700 U Channel: 7.8 x 4 x 1.18 (198 x 102 x 30) Size (LxWxH) in(mm) With Cover: 7.8 x 4 x 1.34 (198 x 102 x 34) Warranty yrs Three Years Notes: (1) 115 / 230VAC input (2) Cycle AC to reset (3) See derating curves on page 2. Derates linearly to 80% load from 115VAC to 85VAC input (excluding 3.3V model). -40C start up above 88VAC input. CUS250LD Series Model Selector Adjust Max Max Load Line Ripple Range Current Power Reg Reg Noise E ciency (1) Model Voltage (V) (A) (W) (mV) (mV) (mV) (typ) % CUS250LD-3 3.3V 2.97 - 3.63 50 165 40 20 120 86 / 88 CUS250LD-4 4.2V 3.78 - 4.62 50 210 40 20 120 87 / 89 CUS250LD-5 5V 4.5 - 5.5 50 250 40 20 120 88 / 90 CUS250LD-12 12V 10.8 - 13.2 21 252 96 48 120 88 / 90 CUS250LD-24 24V 21.6 - 26.4 10.5 252 192 96 150 88 / 90 Derating Curve (See website for covered version) Outline Drawing (See website for covered version) Options Su x Description Blank No cover /A Cover For Additional Information, please visit