AAT3783_12 Datasheet, PDF (7/20 Pages) Skyworks Solutions Inc. – 1-A Linear Li-Ion/Polymer Battery Charger with 28V Over-Voltage Protection

DATA SHEET
AAT3783
1-A Linear Li-Ion/Polymer Battery Charger with 28V Over-Voltage Protection
Typical Characteristics
Preconditioning Charge Current vs. Temperature
(R_SET = 8.06kΩ; I_{CH_CC} = 200mA)
23
22
21
20
19
18
17
-40
-15
10
35
60
85
Temperature (°C)
Preconditioning Voltage Threshold
vs. Temperature
2.66
2.64
2.62
2.60
2.58
2.56
2.54
-40
-15
10
35
60
85
Temperature (°C)
Constant Charging Current vs. Input Voltage
(R_SET = 1.62kΩ)
1200
1100
V_BAT = 3.3V
V_BAT = 3.6V
1000
900
V_BAT = 3.9V
800
V_BAT = 4.1V
700
4
4.5
5
5.5
6
6.5
7
7.5
Input Voltage (V)
Total Resistance vs. Input Voltage
(IN to BAT)
800
750
85°C
700
650
25°C
600
550
500
-40°C
450
400
3.6
3.8
4
4.2
4.4
4.6
4.8
5
Input Voltage (V)
Temperature Sense Too Hot Threshold
vs. Temperature
339
337
335
333
331
329
327
325
-40
-15
10
35
60
85
Temperature (°C)
Temperature Sense Too Cold Threshold
vs. Temperature
2.400
2.395
2.390
2.385
2.380
2.375
-40
-15
10
35
60
85
Temperature (°C)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
201903B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
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