Maxim-integrated MAXQ7667 Manual de usuario Pagina 275

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16-9 __________________________________________________________________________________________________________
MAXQ7667 Users Guide
Figure 16-3. Supply Configuration Using External Power Supply and Internal Regulators
SUPPLY CONFIGURATION USING AN EXTERNAL POWER SUPPLY AND THE INTERNAL REGULATORS
AVDD
AGND
DVDD
+V
+V
IN
GND
0.1µF
DGND
DVDDIO
0.1µF
0.1µF
REG2P5
2.5V
3.3V
REG3P3
GATE5
PASS
TRANSISTOR
CIRCUITRY
Figure 16-2. Supply Configuration Using All External Power Supply
SUPPLY CONFIGURATION USING ALL EXTERNAL POWER SUPPLY
+2.5V DVDD
DGND
DVDDIO
GATE5
GND
+5.0V
GND
REG2P5
REG3P3
0.1µF
0.1µF
+3.3V AVDD
AGNDGND
0.1µF
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