Rainbow-electronics MAX711 Manual do Utilizador descarregar pdf (Página 7)

MAX710/MAX711

3.3V/5V or Adjustable,

Step-Up/Down DC-DC Converters

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∆t

ON

FIXED t

OFF

GENERATOR

DRV

PS

N/E

PS

OFF

REF2

REF1

CURRENT-

LIMIT COMPARATOR

100mV

V

OUT

ERROR

AMP2

ERROR

AMP1

REF1

V

FV

LX

ILIM

V

IN

PGND

PGND

PS

OUT

(FB)

3.3/5

GND

REFB

N

REFA

LBI-

LBI+

STBY

REF

SHDN

LBO

( ) IS FOR MAX711.

REF2

REF1

MAX710

Figure 1. Functional Diagram

1 2 3 4 5 6 7 8 9 10 11 12

MAX710/MAX711 1
3.3V/5V or Adjustable 1

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