Datasheet

40
60
80
100
120
140
−50 0 50 100 150
V
OVP
V
UVP
− OVP/UVP Threshold − %
OVP
UVP
T
J
− Junction Temperature − 5C
0
100
200
300
400
500
0 5 10 15 20 25
f
SW
− SwitchingFrequency − kHz
CH1
CH2
V
I
− InputVoltage V−
TONSEL=GND
0
100
200
300
400
500
0 5 10 15 20 25
CH1
CH2
TONSEL=FLOAT
f
SW
− SwitchingFrequency − kHz
V
I
− InputVoltage − V
0
100
200
300
400
500
0 5 10 15 20 25
CH1
CH2
TONSEL=V5FILT
f
SW
− SwitchingFrequency − kHz
V
I
− InputVoltage − V
TPS51124
www.ti.com SLVS616B –NOVEMBER 2005–REVISED SEPTEMBER 2010
TYPICAL CHARACTERISTICS (continued)
OVP/UVP THRESHOLD SWITCHING FREQUENCY (SLOW)
vs vs
JUNCTION TEMPERATURE INPUT VOLTAGE
Figure 5.
Figure 6.
(1)
SWITCHING FREQUENCY (MED) SWITCHING FREQUENCY (FAST)
vs vs
INPUT VOLTAGE INPUT VOLTAGE
Figure 7. Figure 8.
(1) The data of Figure 6–Figure 8 are measured from the Typical Application Circuit of Figure 25 and Table 2.
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