BatteryManagerTM
PRODUCT DATASHEET
AAT3670
1.6A Dynamic Battery Charger and Power Manager
Typical Characteristics
Percentage of VVTS vs. Temperature
(ADP or USBH or USBL; VIN = 5V)
80
70
VTS2
60
50
40
VTS1
30
20
10
0
-40
-15
10
35
60
85
Temperature (°C)
Total Input Current vs. Output Current
(VBAT = 3.6V)
1800
1600
I ADP
1400
1200
1000
I USBH
800
600
400
200
0
0
IUSBL
200
400
600
800
1000
Output Current (mA)
Transient Response of OUT
When Switching from ADP to BAT
(VADP = 5V ➜ 0V)
5
4
3
2 BAT
1
0
OUT
ADP
Time (500µs/div)
Transient Response of OUT
When Switching from BAT to ADP
(VADP = 0V ➜ 5V)
5
4
3
BAT
2
1
0
OUT
ADP
Time (500µs/div)
Transient Response of OUT
When Switching From USBH to BAT
(VUSBH = 5V ➜ 0V; RLOAD = 7.8Ω)
USBH
5
4
3
2
BAT
OUT
1
0
Time (500µs/div)
Transient Response of OUT
When Switching From BAT to USBH
(VUSBH = 0V ➜ 5V; RLOAD = 7.8Ω)
BAT
5
4
3
2
1
0
USBH
OUT
Time (500µs/div)
3670.2008.04.1.5
www.analogictech.com
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