EVL170W-FTV STMicroelectronics, EVL170W-FTV Datasheet - Page 29

• Manufacturer Part Number: EVL170W-FTV
• Description: DEMO BOARD VIPER27 L6599A L6564
• Manufacturer: STMicroelectronics
• Series: VIPER™r

Specifications of EVL170W-FTV

• Main Purpose: Power Supply with PFC
• Outputs And Type: 2, Isolated
• Power - Output: 170W
• Voltage - Output: 24V, 12V, 5V
• Current - Output: 6A, 2A, 2A
• Voltage - Input: 90 ~ 264VAC
• Regulator Topology: Flyback
• Frequency - Switching: 130kHz
• Board Type: Fully Populated
• Utilized Ic / Part: Viper27LN, L6564, L6599A
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-11254

AN3329
5
Conducted emission pre-compliance test
Figure
full load and nominal mains voltages. The limits shown in the diagrams are EN55022 Class-
B, which is the most popular norm for domestic equipment and has more severe limits
compared to Class-A, dedicated to IT technology equipment. As visible in the diagrams, in
all test conditions the measurements are far below the limits.
Figure 58. CE peak measurement at 115 V - 60 Hz and full load - phase wire
Figure 59. CE peak measurement at 115 V - 60 Hz and full load - neutral wire
58, 59, 60, and
61
are the peak measurements of the conducted emission noise at
Doc ID 18376 Rev 1
Conducted emission pre-compliance test
29/47