Datasheet

VIN = 1 V, RIN = 20 , VBAT = ramping power supplyW
VIN = 1 V, RIN = 20 , VBAT = 100 µF capacitorW
10
12
14
16
18
20
22
24
−50−40−30−20−10 0 10 20 30 40 50 60 70 80 90 100
Temperature (°C)
Time (s)
G009
150
200
250
300
350
400
−50−40−30−20−10 0 10 20 30 40 50 60 70 80 90 100
Temperature (°C)
Time (ms)
G010
20
30
40
50
60
70
80
0.01 0.1 1 10 100
Input Current (mA)
Efficiency (%)
VSTOR = 3V
VSTOR = 1.8V
VSTOR = 5.5V
V
IN
= 0.2V
G007
0
100
200
300
400
500
600
700
800
900
1000
−60 −40 −20 0 20 40 60 80 100 120
Temperature (°C)
VSTOR Current (nA)
VSTOR = 1.8V
VSTOR = 3V
VSTOR = 4V
G008
bq25504
www.ti.com SLUSAH0A –OCTOBER 2011–REVISED SEPTEMBER 2012
TYPICAL CHARACTERISTICS (continued)
Figure 12. Efficiency vs Input Current Figure 13. VSTOR Quiescent Current vs Temperature
Figure 14. Sample Period vs Temperature Figure 15. Settling Period vs Temperature
Figure 16. Example of Startup with no Battery and Figure 17. Example of VBAT_OK Operation, Ramping
Battery From 0 V to 3.1 V
10 KΩ Load
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