Maxim-integrated 78M6610+PSU Hardware Design Guidelines Manuale Utente Scaricare il pdf (Pagina 15)

AN_6610_107 78M6610+PSU Hardware Design Guidelines

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5.2 Crystal Oscillator Components

The 78M6610+PSU Evaluation Board has the crystal and its two load capacitors located on the bottom

layer. Place a GND trace between the two terminals of the crystal to minimize oscillator startup problems.

Figure 10: Crystal Y1 and Capacitors C8/ C11

The 78M6610+PSU can operate without an external crystal. Attach the XOUT pin to GND when the

external crystal is not used.

Crystal

GND Via

GND

Isolator

GND Via

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Maxim-integrated 78M6610+PSU Hardware Design Guidelines Manuale Utente Pagina 15