AAT3520 Datasheet, PDF (5/9 Pages) Advanced Analogic Technologies – MicroPower Microprocessor Reset Circuit

AAT3520/2/4
MicroPower™ Microprocessor Reset Circuit
Typical Characteristics
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
-40
Supply Current vs. Temperature
VCC = 5V
VCC = 3V
-20
0
20
40
60
80
Temperature (°C)
1.003
1.002
1.001
1.000
0.999
0.998
0.997
-40
Normalized Reset Threshold
vs. Temperature
-20
0
20
40
60
80
Temperature (°C)
Normalized Power-Up Reset Timeout
vs. Temperature
1.5
1.4
1.3
1.2
1.1
1
0.9
0.8
0.7
0.6
0.5
-40 -20 0
20 40 60 80 100
Temperature (°C)
Power-Down Reset Propagation
Delay vs. Temperature
30
25
VOD = 10mV
20
15
10
VOD = 100mV
5
0
-40
-20
0
20
40
60
80
Temperature (°C)
Maximum Transient Duration
vs. Reset Threshold Overdrive
400
350
300
250
200
150
100
50
0
1
10
100
1000
Reset Threshold Overdrive, VTH - VCC (mV)
3520.2006.03.1.2
5