AAT3663 Datasheet, PDF (8/22 Pages) Advanced Analogic Technologies – 1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications

AAT3663
1A Linear Li-Ion Battery Charger
for Single and Dual Cell Applications
Typical Characteristics
Constant Charge Current vs. Input Voltage
240
230
220 V_BAT = 3V
210
V_BAT = 3.5V
200
190
180
170
160
4
V_BAT = 3.9V
V_BAT = 4.1V
5
6
7
8 10 11 12 13 14
Input Voltage (V)
Shutdown Current vs. Input Voltage
2.40
2.10
85°C
1.80
1.50
25°C
1.20
0.90
-40°C
0.60
0.30
0.00
4
5
6
7
8
9 10 11 12 13 14
Input Voltage (V)
Input High Threshold vs. Input Voltage
1.60
1.40
1.20
-40°C
1.00
0.80
0.60
0.40
4
25°C
56
85°C
7
8
9 10 11 12 13 14
Input Voltage (V)
Input Low Threshold vs. Input Voltage
1.60
1.40
1.20
-40°C
1.00
0.80
0.60
0.40
4
25°C
56
85°C
7 8 9 10 11 12 13 14
Input Voltage (V)
Charging Transistor On Resistance
vs. Input Voltage
600
500
85°C
400
300
200
100 _25°C
-40°C
0
4.0 4.4 4.8 5.2 5.6 6.0 6.4 6.8 7.2 7.6 8.0 8.4
Input Voltage (V)
Termination Current to Constant Current
Ratio (%) vs. Termination Resistance
50
45
40
35
30
25
20
15
10
5
0
0
10
20
30
40
50
60
R_TERM (kΩ)
8
3663.2007.10.1.0