Datasheet

5V/div
500mA/div
4ms/div
2V/div
V
SYSOFF
I
BAT
V
4V
BAT
V
OUT
BatteryPowering
System
SystemPowerOff
600
400
100
Temperature- C
o
300
200
500
0
120 125
130 135
140 145
I -mA
BAT
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0 25
50 75
100
125
T -JunctionTemperature-°C
J
DropoutVoltage-V -V
IN OUT
I =1 A
L
0
20
40
60
80
100
120
0
25
50 75 100
125
T -JunctionTemperature-°C
J
DropoutVoltage-V -V
BAT OUT
VBAT =3V
VBAT =3.9V
I =1 A
L
3
3.2
3.4
3.6
3.8
4
4.2
4.4
4.6
2
2.5
3
3.5 4
4.5
V -OutputVoltage-V
O
V -BatteryVoltage-V
BAT
V =5V
IN
3.60
3.62
3.64
3.66
3.68
3.70
3.72
3.74
3.76
3.78
3.80
0 25 50 75 100 125
T -JunctionTemperature-°C
J
V -OutputVoltage-V
O
V =5V,
V =3.5V,
I =1 A
IN
BAT
L
bq24072T
bq24075T, bq24079T
www.ti.com SLUS937A –DECEMBER 2009–REVISED APRIL 2010
TYPICAL CHARACTERISTICS (continued)
V
IN
= 6V, EN1 = 1, EN2 = 0, T
A
= 25°C, unless otherwise noted.
SYSTEM ON/OFF WITH INPUT DROPOUT VOLTAGE
NOT CONNECTED vs
V
IN
= 0V THERMAL REGULATION TEMPERATURE
Figure 10. Figure 11. Figure 12.
DROPOUT VOLTAGE bq24072T bq24072T
vs OUTPUT REGULATION VOLTAGE OUTPUT REGULATION VOLTAGE
TEMPERATURE vs vs
NO INPUT SUPPLY BATTERY VOLTAGE TEMPERATURE
Figure 13. Figure 14. Figure 15.
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