AAT3691 Datasheet, PDF (8/18 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
ADP Charging Current vs. Battery Voltage
(VADP = 5V)
1800
1500
1200
900
600
300
RSET = 1kΩ
RSET = 1.14kΩ
RSET = 1.33kΩ
RSET = 1.6kΩ
RSET = 2kΩ
RSET = 3.2kΩ
RSET = 5.33kΩ
RSET = 16kΩ
0
2.5
2.9
3.3
3.7
4.1
4.5
VBAT (V)
USB Charging Current vs. Battery Voltage
(VUSB = 5V)
600
500
400
RSET = 3.2kΩ
RSET = 4kΩ
300
RSET = 5.33kΩ
RSET = 8kΩ
200
RSET = 16kΩ
RSET = 32kΩ
100
0
2.5
3.0
3.5
4.0
4.5
V_BAT (V)
NOBAT High Input Threshold vs. Input Power
1.20
1.15
1.10
1.05
1.00
0.95
0.90
-40°C
0.85
25°C
85°C
0.80
3.0
3.6
4.2
4.8
5.4
6.0
6.6
VUSB or VADP (V)
NOBAT Low Input Threshold vs. Input Power
0.70
0.65
0.60
0.55
0.50
-40°C
0.45
25°C
85°C
0.40
3.0
3.6
4.2
4.8
5.4
6.0
6.6
VUSB or VADP (V)
Enable Input High Threshold vs. Input Power
1.20
1.15
1.10
1.05
1.00
0.95
0.90
-40°C
0.85
25°C
85°C
0.80
4.0
4.4
4.8
5.2
5.6
6.0
6.4
VUSB or VADP (V)
Enable Input Low Threshold vs. Input Power
0.80
0.75
0.70
0.65
0.60
0.55
0.50
-40°C
0.45
25°C
85°C
0.40
4.0
4.4
4.8
5.2
5.6
6.0
6.4
VUSB or VADP (V)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
8
201894B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012