ISL6131 Datasheet, PDF (10/13 Pages) Intersil Corporation – Multiple Voltage Supervisory ICs

ISL6131, ISL6132
Functional and Performance Waveforms (Continued)
MONITORING 4V TO 5V
MONITORING 4V TO 5V
OV STATUS
V_DD RISING
OV STATUS RISING
UV/PGOOD
STATUS RISING
MONITORED VOLTAGE FALLING
PGOOD AND UV
STATUS PULLED LOW
1V/DIV
40ms/DIV
FIGURE 18. ISL6132 TURN-ON
MONITORING 4V TO 5V
MONITORED VOLTAGE RISING
UV STATUS
PGOOD AND OV
STATUS PULLED LOW
1V/DIV
10ms/DIV
FIGURE 20. ISL6132 IN OV CONDITION
MONITORING 4V TO 5V
VMON RISING (1V/DIV) ^{5V MAX LIMIT}
UV STATUS
OV STATUS
PGOOD
5V/DIV
10µs/DIV
FIGURE 22. ISL6132 OV GLITCH FILTER TIMING
10
1V/DIV
10ms/DIV
FIGURE 19. ISL6132 IN UV CONDITION
MONITORING 4V TO 5V
VMON FALLING (1V/DIV)
4V MIN LIMIT
UV STATUS
OV STATUS
PGOOD
5V/DIV
10µs/DIV
FIGURE 21. ISL6132 UV GLITCH FILTER TIMING
VMON 5.5V TO 3.5V
UV, OV STATUS & PGOOD
5V_OUT
8µs/DIV
FIGURE 23. ISL6132 GLITCH FILTER TRANSIENT IMMUNITY
FN9119.4
August 17, 2010