AN1889 STMicroelectronics, AN1889 Datasheet - Page 22

• Manufacturer Part Number: AN1889
• Description: ESBT STC03DE170 IN 3-PHASE AUXILIARY POWER SUPPLY
• Manufacturer: STMicroelectronics

AN1889 - APPLICATION NOTE
Figure 18: Steady State at Minimum Voltage
Figure 19: Steady State at Maximum Voltage
As clearly visible in the above figures, this voltage during on state is fixed at 2.5V (confirming theoretical
calculation) and the core will be completely demagnetized after turn-off.
13. PCB LAYOUT AND LIST OF MATERIALS
The printed circuit board is reported in figure 20, while the relevant bill of material is listed in table 4.
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