AAT3520/2/4
MicroPower™ Microprocessor Reset Circuit
Typical Characteristics
Supply Current vs. Temperature
1.40
Normalized Reset Threshold
vs. Temperature
1.003
Supply Current (µA)
1.00
0.80
0.60
0.40
0.20
0.00
-40
-20
0
20
40
60
80
Normalized Threshold
1.20
V
CC
= 5V
1.002
1.001
1.000
0.999
0.998
0.997
-40
-20
0
20
40
60
80
V
CC
= 3V
Temperature (°C)
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
Power-Down Reset Propagation
Delay vs. Temperature
Reset Propagation Delay (µs)
30
25
20
15
10
5
0
-40
Normalized Power-Up
Reset Timeout (ms)
V
OD
= 10mV
V
OD
= 100mV
-40
-20
0
20
40
60
80
100
Temperature (°C)
-20
0
20
40
60
80
Temperature (°C)
Maximum Transient Duration
vs. Reset Threshold Overdrive
400
Maximum Transient
Duration (µs)
350
300
250
200
150
100
50
0
1
10
100
1000
Reset Threshold Overdrive, V
TH
- V
CC
(mV)
3520.2006.03.1.2
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
