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100
1.5
0.5
200 300 400 500 600 700 800 900 1000
1.0
3.0
2.0
2.5
3.5
5.0
4.0
4.5
V
IN
= 28 V
V
IN
= 24 V
V
IN
= 18 V
V
IN
= 15 V
V
IN
= 12 V
V
IN
= 10 V
V
IN
= 8 V
V
IN
= 5 V
f
OSC
− Oscillator Frequency − kHz
V
OUT
− Output Voltage − V
T
J
− Junction Temperature − °C
I
BIAS
− Error Amplifier Input Bias Current − nA
−50 −25 50 100 1250 25 75
0
−90
−80
−70
−10
−30
−60
−20
−40
−50
V
DD
− Input Voltage − V
f
OSC
− Frequency − kHz
2 6 18 26 3010
500
495
505
520
510
515
490
485
480
14 22
f
SW
− Switching Frequency − kHz
0
100
0
200 400 600 800 1000
200
300
400
500
600
R
T
− Timing Resistance − kΩ
TPS40075
SLUS676A – MAY 2006 – REVISED SEPTEMBER 2007
TYPICAL CHARACTERISTICS (continued)
ERROR AMPLIFIER INPUT BIAS CURRENT MINIMUM OUTPUT VOLTAGE
vs vs
JUNCTION TEMPERATURE FREQUENCY
Figure 15. Figure 16.
SWITCHING FREQUENCY TYPICAL SWITCHING FREQUENCY
vs vs
TIMING RESISTANCE INPUT VOLTAGE
Figure 17. Figure 18.
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