USB Port/AC Adapter
Lithium-Ion/Polymer Battery Charger
Typical Characteristics
Fast Charge Current vs. Supply Voltage
(USBL; USBL = 40.2kΩ)
Ω
120
AAT3686
Fast Charge Current vs. Supply Voltage
(USBH; USBH = 8.06kΩ)
Ω
600
V
BAT
= 3.5V
100
80
500
0°C
V
BAT
= 3.3V
70°C
25°C
300
200
100
0
4.4
I
CH
(mA)
60
40
20
0
4.0
4.5
V
BAT
= 3.9V
5.0
5.5
6.0
6.5
I
CH
(mA)
400
4.5
4.6
4.7
4.8
4.9
5.0
Supply Voltage (V)
Supply Voltage (V)
V
IH
vs. Supply Voltage
EN Pin (Rising)
1.4
1.3
1.2
1.1
1.4
1.3
1.2
V
IL
vs. Supply Voltage
EN Pin (Falling)
-40°C
+25°C
1.1
-40°C
+25°C
V
IH
(V)
V
IH
(V)
+85°C
1.0
0.9
0.8
0.7
0.6
0.5
0.4
4.2
4.4
4.6
4.8
5.0
5.2
5.4
5.6
5.8
6.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
4.2
4.4
4.6
4.8
5.0
5.2
5.4
5.6
5.8
6.0
+85°C
Supply Voltage (V)
Supply Voltage (V)
V
IH
vs. Supply Voltage
USBSEL (Rising)
1.4
1.3
1.2
1.1
1.4
1.3
V
IL
vs. Supply Voltage
USBSEL (Falling)
-40°C
+25°C
1.2
1.1
-40°C
+25°C
V
IH
(V)
0.9
0.8
0.7
0.6
0.5
0.4
4.2
4.4
4.6
4.8
5.0
5.2
5.4
5.4
5.8
6.0
V
IH
(V)
+85°C
1.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
4.2
4.4
4.6
4.8
5.0
5.2
5.4
5.6
5.8
6.0
+85°C
Supply Voltage (V)
Supply Voltage (V)
8
3686.2006.10.1.9
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
