CUS250LD Series Single Output 250W Low Profile Power Supplies Features u High Efficiency, up to 90% u 1.18” high u Wide Range AC Input u Convection Cooled u Three year warranty Key Market Segments & Applications Specifications Model AC Input Voltage (300VAC for 5s) Input Frequency DC Input Voltage Inrush Current (cold start) Power Factor Input Current (115/230VAC) Temperature Coefficient Overcurrent Protection Overvoltage Protection (2) Hold Up Time Leakage Current (240VAC 60Hz) Remote Sense LED Indicator Operating Temperature (3) Storage Temperature Operating Humidity (non condensing) Storage Humidity (non condensing) Cooling Withstand Voltage Isolation Resistance Vibration (non operating) Shock Immunity Safety Agency Certifications Conducted & Radiated EMI Weight (Typ) Size (LxWxH) Warranty VAC Hz VDC A A V ms mA °C °C % % g in yrs CUS250LD 85 - 265VAC 47 - 63Hz 120 - 370VDC (No safety certification) 20A at 115VAC, 40A at 230VAC Meets EN61000-3-2 (Typical PF 0.98/0.95)(1) 2.8 / 1.4 <0.02%/°C (0 - 50°C) > 105% 3.3V: 4 - 5.25V, 4V: 5 - 6.5V, 5V: 5.75 - 7.5V, 12V: 13.8 - 16.2V, 24V: 27.6 - 32.4V 20ms <0.75mA No Green LED = On -25 to +70°C. Derate 50% load from +40 to +70°C -30 to +75°C 30 - 90% RH 10 - 90% RH Convection Input to Ground 2kVAC, Input to Output 3kVAC, Output to Ground 500VAC for 1 min. >100M at 25°C & 70%RH, Output to Ground 500VDC 10 - 55Hz: 19.6m/s2 constant sweep 1 min X, Y, Z for 1 hour < 196.1 m/s2 (20G) IEC61000-4-2 (lv 2, 3), -3 (lv3), -4 (lv 3), -5 (lv3, 4), -6 (lv 3), -8 (lv 4), -11 UL60950-1, CSA60950-1-07 (cTUVus), EN60950-1, EN50178, CE Mark EN55022-B, FCC--B 700 7.8 x 4 x 1.18” Three Years Notes: (1) 115 / 230VAC input (2) Cycle AC to reset (3) See derating curves on page 2. CSS250LD-3 derates linearly to 80% load from 115VAC to 85VAC input 1-800-526-2324 • www.us.tdk-lambda.com/lp/ 36 Disclaimer: us.tdk-lambda.com/lp/legal.htm CUS250LD Series Model Selector Model Voltage CUS250LD-3 3.3V CUS250LD-4 4.2V CUS250LD-5 5V CUS250LD-12 12V CUS250LD-24 24V Adjust Range (V) 2.97 - 3.63 3.78 - 4.62 4.5 - 5.5 10.8 - 13.2 21.6 - 26.4 Max Current (A) 50 50 50 21 10.5 Derating Curve Max Power (W) 165 210 250 252 252 Load Reg (mV) 40 40 40 96 192 Line Reg (mV) 20 20 20 48 96 Ripple Noise (mV) 120 120 120 120 150 Efficiency (typ) % (1) 86 / 88 87 / 89 88 / 90 88 / 90 88 / 90 Outline Drawing Similar Products LS25 - 200 HWS15 - 1800 SWS300 - 1000 GWS250-500 CSS500 25W to 200W low cost 15W to 1800W limited lifetime warranty 300W to 1000W single output 250W to 500W 360W to 500W medical For Additional Information, please visit us.tdk-lambda.com/lp/products/cus-series.htm 1-800-526-2324 • www.us.tdk-lambda.com/lp/ 37 Revision A2: Jan 2013 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: TDK-Lambda: CUS250LD-3 CUS250LD-4 CUS250LD-5 CUS250LD-24 CUS250LD-12