STMicroelectronics EVL6562A-35WFLB evaluation board using the L6562A EVL6562A-35WFLB EVL6562A-35WFLB Hoja De Datos

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DocID15099 Rev 2
13/23
AN2838
Test results and significant waveforms
23
The above figures show the MOSFET waveforms at light load. Even in this load condition 
the waveforms are correct. It can be noted that at high mains the converter works in burst 
mode (see 
), keeping efficiency at a good level.
Figure 18. EVL6562A-35WFLB V
DS
 and I
D
 
@ 265 V
AC
 - 40 mA
Figure 19. EVL6562A-35WFLB V
DS
 and I
D
 
@ 265 V
AC
 - 40 mA - detail
         
         
CH1: drain current - 0.2 A/div
CH1: drain current - 0.2 A/div 
CH2: drain voltage - 200 V/div
CH2: drain voltage - 200 V/div