AAT3663_08 Datasheet, PDF (6/23 Pages) Advanced Analogic Technologies – 1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications

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PRODUCT DATASHEET
AAT3663
1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications
Typical Characteristics—General
Operating Current vs I_SET Resistor
2000
1800
1600
1400
1200
Constant Current Mode
1000
800
600
400
200
Preconditioning Mode
0
1
10
100
R_SET (kΩ)
Constant Charging Current
vs. Set Resistor Values
10000
1000
100
10
1
1
10
100
R_SET (kΩ)
Temperature Sense Output Current
vs. Temperature
80
79
78
77
76
75
74
73
72
71
70
-40
-15
10
35
60
85
Temperature (°C)
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)
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)
CT Pin Capacitance vs. Counter Timeout
1.0
0.9
0.8
0.7
Preconditioning Timeout
0.6
0.5
0.4
0.3
Preconditioning + Constant
Current Timeout or Constant
0.2
Voltage Timeout
0.1
0.0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Timeout (h)
6
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3663.2008.01.1.2