Maxim-integrated MAXQ7667 Manuale Utente Scaricare il pdf (Pagina 275)

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16-9 __________________________________________________________________________________________________________

MAXQ7667 User’s 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

GND

0.1µF

DGND

DVDDIO

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

+3.3V AVDD

AGNDGND

0.1µF

1 2 ... 270 271 272 273 274 275 276 277 278 279 280 ... 346 347

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Maxim-integrated MAXQ7667 Manuale Utente Pagina 275

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