ISL88012IH546Z-TK(2006) データシートの表示（PDF） - Intersil

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ISL88012IH546Z-TK
(Rev.:2006)

5-Pin Voltage Supervisors with Adjustable Power-On Reset, Dual Voltage Monitoring or Watchdog Timer Capability

Intersil 

ISL88011, ISL88012, ISL88013, ISL88014, ISL88015

VDD

VTHVDD

1V

WDI

START tWDT

< tWDT

< tWDT

tWDT

STARTtWDT

RST

tPOR

>tWDPS

tPOR

RST

FIGURE 5. WATCHDOG TIMING DIAGRAM

Typical Application Circuits

12V

12V

10K

12V SUPPLY

180K

VDD

RST

VMON

100K

RESET

10K

4.7V

ISL88014 / ISL88015

VTH @ 11.4V

FIGURE 6. HIGH ACCURACY 12V SUPPLY MONITOR

12V

5V

180K

VTH @ 11.4V

10K

VDD

RST

VMON

ISL88012

100K

RST

FIGURE 8. MONITOR 5V AND 12V SUPPLIES

44K

0.1µF

10K

VDD

RST

RST

PGOOD @ 10.8V

PGOOD @ 10.8V

ISL88011IH531Z

FIGURE 7. 12V SUPPLY PGOOD or PGOOD

+5V

100K 100K

100K

VTH2 @ 4.4V

6.81K

VDD

RST

V2MON

GND

-5V

ISL88012IH546Z

100K

-5V

PGOOD = HIGH IF -V < -4.6V AND -V + +V > 9.4 (abs)

FIGURE 9. +5V AND -5V MONITOR

PGOOD

8

FN8093.0

February 13, 2006

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