AAT2556 Datasheet, PDF (10/27 Pages) Advanced Analogic Technologies – Battery Charger and Step-Down Converter for Portable Applications

DATA SHEET
AAT2556
Battery Charger and Step-Down Converter for Portable Applications
Typical Characteristics – Battery Charger
Operating Current vs. Temperature
(R_SET = 8.06kΩ)
550
500
450
400
350
300
-50
-25
0
25
50
75
100
Temperature (°C)
Preconditioning Threshold Voltage
vs. Temperature
(R_SET = 8.06kΩ)
3.03
3.02
3.01
3
2.99
2.98
2.97
-50
-25
0
25
50
75
100
Temperature (°C)
Preconditioning Charge Current
vs. Temperature
(R_SET = 8.06kΩ)
20.8
20.6
20.4
20.2
20.0
19.8
19.6
19.4
19.2
-50
-25
0
25
50
75
100
Temperature (°C)
Recharging Threshold Voltage
vs. Temperature
(R_SET = 8.06kΩ)
4.18
4.16
4.14
4.12
4.10
4.08
4.06
4.04
4.02
-50
-25
0
25
50
75
100
Temperature (°C)
Preconditioning Charge Current
vs. Supply Voltage
60
R_SET = 3.24kΩ
50
40
30
R_SET = 5.36kΩ
20
R_SET = 8.06kΩ
10
R_SET = 16.2kΩ R_SET = 31.6kΩ
0
4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 6 6.2 6.4
V_ADP (V)
Sleep Mode Current vs. Supply Voltage
(R_SET = 8.06kΩ)
800
700
85°C
600
500
400
300
25°C
-40°C
200
100
0
4 4.25 4.5 4.75 5 5.25 5.5 5.75 6 6.25 6.5
V_ADP (V)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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202177B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 19, 2013