AAT3681AIJS-4.2-2-T1 ANALOGICTECH [Advanced Analogic Technologies], AAT3681AIJS-4.2-2-T1 Datasheet - Page 6

• Manufacturer Part Number: AAT3681AIJS-4.2-2-T1
• Description: 500mA USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Typical Characteristics
6
(R
Constant Charging Current vs. Temperature
SET
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
= 8.06kΩ Ω ; AAT3681A, AAT3681A-2, and AAT3681A-3 Only)
-50
Operating Current vs. Temperature
-50
Preconditioning Charge Current
-25
-25
-25
vs. Temperature
(R
(R
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
(R
Preconditioning Charge Current vs. Input Voltage
SET
1000
35
30
25
20
15
10
100
500mA USB Port or AC Adapter
5
0
(AAT3681A, AAT3681A-2, and AAT3681A-3 Only)
3.03
3.02
3.01
2.99
2.98
2.97
10
= 8.06kΩ Ω ; AAT3681A, AAT3681A-2, and AAT3681A-3 Only)
1
4
R
3
R
R
R
1
Preconditioning Threshold Voltage
-50
SET
Operating Supply Current vs. R
SET
SET
SET
= 5.36kΩ
= 8.06kΩ
= 16.2kΩ
= 31.6kΩ
4.5
-25
vs. Temperature
5
Temperature (°C)
0
Input Voltage (V)
(V
5.5
IN
R
= 5V)
SET
10
25
(kΩ Ω )
6
AAT3681A
V
BAT
50
6.5
= 2.85V
V
3681A.2007.10.1.2
BAT
SET
75
= 3.6V
7
100
100
7.5