AAT3683_08 Datasheet, PDF (8/23 Pages) Advanced Analogic Technologies – 1A Linear Li-Ion Battery Charger

BatteryManager^TM
Typical Characteristics
Operating Current vs. I_SET Resistor
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1
Constant Current Mode
Preconditioning Mode
10
100
R_SET (kΩ)
1000
Counter Timeout vs. Temperature
(C_T = 0.1µF)
0.10
0.05
0.00
-0.05
-0.10
-40
-15
10
35
60
85
Temperature (°C)
Termination Current to Constant Current Ratio (%)
vs. Termination Resistance
50%
40%
30%
20%
10%
0%
0
10
20
30
40
50
60
I_TERM Resistance (kΩ)
PRODUCT DATASHEET
AAT3683
1A Linear Li-Ion Battery Charger
Shutdown Current vs. Input Voltage
1.4
1.2
85°C
1.0
0.8
25°C
0.6
0.4
-40°C
0.2
0.0
4
4.5
5
5.5
6
6.5
7
7.5
Input Voltage (V)
CT Pin Capacitance vs. Counter Timeout
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
Preconditioning Timeout
Preconditioning + Constant Current
Timeout or Constant Voltage Timeout
1
2
3
4
5
Time (hours)
Charging Transistor On Resistance
vs. Supply Voltage
800
750
85°C
700
650
600
550
500
25°C
450
400
3.6
3.9
4.2
4.5
4.8
5.1
V_IN (V)
8
www.analogictech.com
3683.2007.11.1.2