Rainbow-electronics MAX1697 Manual do Utilizador descarregar pdf (Página 10)

MAX1697

60mA, SOT23 Inverting Charge Pump

with Shutdown

10 ______________________________________________________________________________________

MAX1697

OUT

= (2V

) -

FD1

) - (V

FD2

)

OUT

= -V

D1, D2 = 1N4148

SHDN

Figure 6. Combined Doubler and Inverter

MAX1697

GND

OUT

V+

Figure 7. Heavy Load Connected to a Positive Supply

TRANSISTOR COUNT: 275

MAX1697MAX1697

OUT

= -V

OUT

OF SINGLE DEVICE

NUMBER OF DEVICES

…

SHDN

Figure 5. Paralleling MAX1697s to Reduce Output Resistance

Chip Information

MAX1697

OUT

SHDN

OUT

= -nV

…

Figure 4. Cascading MAX1697s to Increase Output Voltage

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Rainbow-electronics MAX1697 Manual do Utilizador Página 10