Datasheet

0
500
1000
1500
2000
2500
0 25 50 75 100 125 150 175 200
RT/CLK-Resistance-kW
f -SwitchingFrequency-kHz
s
V =12V,
T =25°C
I
J
0
100
200
300
400
500
200 300 400 500 600 700 800 900 1000 1100
RT/CLK-Resistance-kW
f -SwitchingFrequency-kHz
s
1200
V =12V,
T =25°C
I
J
5.0
5.5
6.0
7.0
-50 -25 0 25 50 75 100 125 150
SwitchCurrent- A
T -JunctionTemperature-°C
J
6.5
V =12V
I
550
570
580
590
600
610
-50 -25 0 25 50 75 100 125 150
f -SwitchingFrequency-kHz
s
560
T -JunctionTemperature-°C
J
V =12V,
RT =200k
I
W
0.784
0.792
0.800
0.808
0.816
-50 -25 0 25 50 75 100 125 150
V -VoltageReference-V
ref
T -JunctionTemperature-°C
J
V =12V
I
TPS54240
www.ti.com
SLVSAA6A APRIL 2010REVISED DECEMBER 2012
TYPICAL CHARACTERISTICS
ON RESISTANCE vs JUNCTION TEMPERATURE VOLTAGE REFERENCE vs JUNCTION TEMPERATURE
Figure 1. Figure 2.
SWITCH CURRENT LIMIT vs JUNCTION TEMPERATURE SWITCHING FREQUENCY vs JUNCTION TEMPERATURE
Figure 3. Figure 4.
SWITCHING FREQUENCY vs RT/CLK RESISTANCE HIGH SWITCHING FREQUENCY vs RT/CLK RESISTANCE LOW
FREQUENCY RANGE FREQUENCY RANGE
Figure 5. Figure 6.
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