Power-Supply Monitor with Reset
__________________________________________Typical Operating Characteristics
POWER-UP RESET DELAY
vs. TEMPERATURE
300
VCC = RESET THRESHOLD MAX,
250
VCC RISING
200
150
100
50
0
-60
-20
20
60
100
TEMPERATURE (°C)
POWER-DOWN RESET DELAY
vs. TEMPERATURE
24
20
16
12
8
4
VCC STEPPED FROM RESET THRESHOLD
MAX TO RESET THRESHOLD MIN
0
-60
-20
20
60
100
TEMPERATURE (°C)
SUPPLY CURRENT
vs. TEMPERATURE
100
NOTE: STEADY-STATE SUPPLY
CURRENT IS INDEPENDENT
80
OF RESET OUTPUT STATUS
NO LOAD
60 VCC = +5V
VCC = +4V
40
VCC = +3V
20 VCC = +2V
0 VCC = +1V
-60
-20
20
60
100
TEMPERATURE (°C)
1.005
1.003
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
THE RESET THRESHOLD IS SHOWN
NORMALIZED TO 1, REPRESENTING
ALL AVAILABLE MAX709 RESET
THRESHOLDS
1.001
0.999
0.997
0.995
-60
-20
20
60
100
TEMPERATURE (°C)
_________________________________________________________________________________________________ 3