Datasheet

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V
IN
− VIN Input Voltage − V
I
BATT
− Battery Current − mA
8 12 16 20 24
0
0.1
0.4
0.2
0.5
0.3
AUTO−SKIP
280 kHz (CH1)
430 kHz (CH2)
−50 0 50 100 150
2
0
6
8
4
10
14
16
12
I
TRIP
− Current Sense Current − µA
T
J
− Junction Temperature − °C
f
SW
− Switching Frequency − kHz
V
IN
− VIN Input Voltage − V
6
200
0
24 28
100
500
300
400
600
10 14 18
CH1
CH2
TONSEL = GND
6
200
0
24 28
100
500
300
400
600
10 14 18
f
SW
− Switching Frequency − kHz
V
IN
− VIN Input Voltage − V
CH1
CH2
TONSEL = 2 V
TPS51120
SLUS670B – JULY 2005 – REVISED FEBRUARY 2007
TYPICAL CHARACTERISTICS (continued)
NO-LOAD BATTERY CURRENT CURRENT SENSE CURRENT
vs vs
INPUT VOLTAGE JUNCTION TEMPERATURE
Figure 11. Figure 12.
SWITCHING FREQUENCY SWITCHING FREQUENCY
vs vs
INPUT VOLTAGE INPUT VOLTAGE
Figure 13. Figure 14.
25
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