AAT3691 Datasheet, PDF (7/18 Pages) Skyworks Solutions Inc. – Dual Input 1.6A Linear Charger with 28V OVP in a 3x4 TDFN Package

DATA SHEET
AAT3691
Dual Input 1.6A Linear Charger with 28V OVP in a 3x4 TDFN Package
Typical Characteristics
End of Charge Voltage vs. Temperature
(RADPSET = 1kΩ; RUSBSET = 3.2kΩ)
4.22
USB
ADP
4.21
4.20
4.19
4.18
-40
-20
0
20
40
60
80
Temperature (°C)
Charge Current vs. Temperature
(V_ADP = V_USB = 5V; V_BAT = 3.6V;
RADPSET = 1kΩ; RUSBSET = 3.2kΩ)
1800
1600
1400
1200
1000
800
600
400
200
0
-40
-20
0
20
40
60
Temperature (°C)
ADP
USB
80
Charging Current vs. Battery Voltage
(VADP = VUSB = 5V; RADPSET = 1kΩ; RUSBSET = 3.2kΩ)
1800
1600
1400
ADP
USB
1200
1000
800
600
400
200
0
2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5
VBAT (V)
USB Charging Current vs. Supply Voltage
(RUSBSET = 3.2kΩ)
600
500
400
300
200
VBAT = 3.3V
100
VBAT = 3.6V
VBAT = 3.9V
0
4.0
4.4
4.8
5.2
5.6
6.0
6.4
6.8
VUSB (V)
ADP Charging Current vs. Supply Voltage
(RADPSET = 1kΩ)
1800
1600
1400
1200
1000
800
600
400
VBAT = 3.3V
VBAT = 3.6V
200
VBAT = 3.9V
0
4.0
4.4
4.8
5.2
5.6
6.0
6.4
6.8
VADP (V)
USB Charging Current vs. Supply Voltage
(RUSBSET = 3.2kΩ)
600
500
400
300
-40°C
200
0°C
25°C
100
50°C
85°C
0
4.0
4.4
4.8
5.2
5.6
6.0
6.4
6.8
VUSB (V)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
201894B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
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