Datasheet

www.ti.com
6
0
24 2810 14 18
150
50
350
200
250
400
300
100
f
SW
− Switching Frequency − kHz
V
IN
− VIN Input Voltage − V
CH1
CH2
TONSEL = 5 V
6
0
24 2810 14 18
150
50
350
200
250
400
300
100
f
SW
− Switching Frequency − kHz
V
IN
− VIN Input Voltage − V
CH1
CH2
TONSEL = FLOAT
0.001 0.01 0.1 1 10
200
0
100
500
300
400
600
f
SW
− Switching Frequency − kHz
I
OUT
− Output Current − A
CH1
Auto−skip
CH2−PWM Only
CH2
Auto−skip
CH1−PWM Only
TONSEL = GND
0.001 0.01 0.1 1 10
200
0
100
500
300
400
600
f
SW
− Switching Frequency − kHz
I
OUT
− Output Current − A
CH1
Auto−skip
CH2−PWM Only
CH2
Auto−skip
CH1−PWM Only
TONSEL = 2 V
TPS51120
SLUS670B – JULY 2005 – REVISED FEBRUARY 2007
TYPICAL CHARACTERISTICS (continued)
SWITCHING FREQUENCY SWITCHING FREQUENCY
vs vs
INPUT VOLTAGE INPUT VOLTAGE
Figure 15. Figure 16.
SWITCHING FREQUENCY SWITCHING FREQUENCY
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 17. Figure 18.
26
Submit Documentation Feedback