AAT3697
2A Lithium-Ion/Polymer Battery Charger
Typical Characteristics
CT Pin Capacitance vs. Counter Timeout
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
Precondition Timeout
Precondition + Constant Current Timeout
or Constant Voltage Timeout
2
4
6
8
10
Time (hours)
High and Low Temperature
Threshold vs. Temperature
100
90
80
70
60
50
40
VTS2
30
20
10
VTS1
0
-50
-25
0
25
50
75
100
Temperature (°C)
8
3697.2007.02.1.1