TFX12V Power Supply Design Guide
Thin Form Factor with 12 V Connector
Version 2.0
6 Electromagnetic Compatibility
The following subsections outline applicable product regulatory requirements for the TFX12V power supply. Additional requirements may be applied dependent upon the design, product end use (e.g., medical equipment and hazardous locations), target geography, and other variables.
6.1 Emissions
The power supply shall comply with FCC Part 15, EN55022: 1998 and CISPR 22: 1997, meeting Class B for both conducted and radiated emissions with a 4 dB margin. Tests shall be conducted using a shielded DC output cable to a shielded load. The load shall be adjusted as follows for three tests: No load on each output; 50% load on each output; 100% load on each output. Tests will be performed at 100 VAC 50Hz, 120 VAC 60 Hz, and 230 VAC 50 Hz power.
6.2 Immunity
The power supply shall comply with EN 55024:1998 and CISPR 24 specifications prior to sale in the EU (European Union), Korea, and possibly other geographies.
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