MCU power supply wiring portion

High-precision voltage regulator, isolation transformer with the correct wiring and low-pass filter, to further improve the electrical noise immunity source portion. The wiring in Figure 20-48 and 20-49 as shown in FIG. Figure, chokes (Li, Lz) choose an inner
MCU power supply wiring portion - schematic

diameter of 18mm, an outer diameter of 24mm, 8mm thick MX0-2000 as magnetic core, Li and L2 are each about 50 to 70 turns.

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