CXA20

CXA20 Series DC-DC CONVERTERS • • • • • • • • Single and dual output 20 W DC-DC Converters 1 4:1 input voltage range No minimum load on singles 6 A on 3.3 V output (@ 48 Vin) at 50 ˚C in still air Wide operating temperature with overtemperature protection ±10% output voltage trim Remote On/Off control Overvoltage protection Available RoHS complaint The CXA20 is a new 20 W addition to the CXA family of open-frame, isolated, dc-dc converters. The five model series features a 4:1 input voltage range of 18 Vdc to 75 Vdc, making it suitable for a wide variety of communications and distributed power applications. With its 2.0 x 1.6 inch industry standard footprint, the CXA20 provides an easy upgrade option for new and existing Artesyn customers seeking a high-performance, cost-effective power supply. The CXA20 is available in output voltages of 3.3 V, 5 V, 12 V, ±5 V and ±12 V. The 3.3 V version delivering up to 6 A is fully rated to 20 W. Typical efficiency for the CXA20 is 83%. The CXA20 offers remote ON/OFF as well as overvoltage, overtemperature and short circuit protection features. All specifications are typical at nominal input, full load at 25 °C unless otherwise stated 2 YEAR WARRANTY SPECIFICATIONS OUTPUT SPECIFICATIONS Voltage accuracy Line regulation (LL to HL) Load regulation (not incl. cross reg.) Singles/dual positives Dual negatives Full load to minimum load S3V3 Singles/dual positives Dual negatives Singles Duals (for imbalanced loads) S3V3, S05, D05 S12, D12 All models ±1.0% ±0.1% ±0.1% ±0.2% ±0.1% ±0.1% None 10% EMC CHARACTERISTICS ETS 300 386-1 table 5 Conducted emissions Radiated emissions Immunity: ESD air ESD contact EFT DC power EFT signal Radiated field enclosure Surges indoor signal Conducted (dc power) Conducted (signal) Input transients EN55022, ext. cap. (Note 5) Level A EN55022, external filter, Level B VDE0878, 48V models EN55022-B See App. Note 107 EN61000-4-2 8 kV (NP), 15 kV (RP) EN61000-4-2 6 kV (NP), 8 kV (RP) EN61000-4-4 2 kV (NP), 4 kV (LFS) EN61000-4-4 1 kV (NP), 2 kV (LFS) EN61000-4-3 10 V/m (NP) EN61000-4-5 500 V (RP) EN61000-4-6 10 V (NP) EN61000-4-6 10 V (NP) ETS 300 132-2, ETR 283 Minimum load Ripple and noise 20 MHz bandwidth Temperature coefficient Overvoltage protection Short circuit protection Short 2 Vdc