Datasheet

ADP2291
Rev. A | Page 7 of 20
12
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
(V)
V
BAT
(V)
4.21
4.205
4.20
4.195
4.19
46 108
04873-004
Figure 4. Battery Voltage vs. Input Voltage
TEMPERATURE (°C)
V
BAT
(V)
4.21
4.205
4.20
4.195
4.19
–50 –25 250 1251007550
04873-005
Figure 5. Battery Voltage vs. Temperature
I
CHG
(mA)
V
BAT
(V)
4.22
4.21
4.20
4.19
4.18
0 200 800600400
04873-006
Figure 6. Battery Voltage vs. Charge Current
RS = 200 mΩ, V
ADJ
= 3 V
I
BAT
(V)
I
CHG
(mA)
800.0
600.0
700.0
500.0
400.0
300.0
200.0
100.0
0.0
2.50 3.00 4.504.003.50
04873-007
Figure 7. Charge Current vs. Battery Voltage
RS = 200 mΩ, V
ADJ
= 3 V
TEMPERATURE (°C)
I
REVERSE
(nA)
250
200
150
100
50
0
–50 –25 0 12575 1005025
04873-008
Figure 8. Battery Reverse Current vs. Temperature
V
IN
= float, V
BAT
= 4.2 V
TEMPERATURE (°C)
V
RESTART
(V)
4.10
4.09
4.08
4.07
4.06
4.05
–40 –20 0 10060 804020
04873-009
Figure 9. Restart Threshold