AAT3681 AAT, AAT3681 Datasheet - Page 6

• Manufacturer Part Number: AAT3681
• Description: USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
• Manufacturer: AAT

Typical Characteristics
6
Constant Charging Current vs. Temperature
550
500
450
400
350
300
210
208
205
203
200
198
195
193
190
20.8
20.6
20.4
20.2
20.0
19.8
19.6
19.4
19.2
-50
-50
Operating Current vs. Temperature
-50
Preconditioning Charge Current
-25
-25
-25
(R
SET
vs. Temperature
(R
(R
= 8.06kΩ Ω ; AAT3681 Only)
0
0
Temperature (°C)
Temperature (°C)
Temperature (°C)
SET
SET
0
= 8.06kΩ Ω )
= 8.06kΩ Ω )
25
25
25
50
50
50
75
75
75
100
100
100
Lithium-Ion/Polymer Battery Charger
1000
Operating Supply Current vs. Set Resistor
35
30
25
20
15
10
100
5
0
10
3.03
3.02
3.01
2.99
2.98
2.97
4
3
1
-50
Preconditioning Threshold Voltage
4.25
Preconditioning Charge Current
4.5
-25
(R
USB Port or AC Adapter
vs. Supply Voltage
SET
4.75
vs. Temperature
R
R
R
R
= 8.06kΩ Ω ; AAT3681 Only)
(AAT3681 Only)
SET
SET
SET
SET
Temperature (°C)
0
5
= 8.06kΩ
= 5.36kΩ
= 16.2kΩ
= 31.6kΩ
R
SET
V
5.25
IN
10
25
(kΩ Ω )
(V)
5.5
V
BAT
50
5.75
= 2.85V
V
BAT
3681.2007.01.1.2
6
= 3.6V
75
6.25
100
100
6.5