Datasheet

60
80
100
120
140
160
180
−40 −25 −10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
Input Bias Current, TRACK Pin (nA)
V
FB
= 450 mV
V
FB
= 600 mV
V
FB
= 750 mV
0
10
20
30
40
50
60
−40 −25 −10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
Input Bias Current, FB Pin (nA)
V
FB
= 450 mV
V
FB
= 600 mV
V
FB
= 750 mV
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
−40 −25 −10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
Error Amplifier Output Current (mA)
Sourcing
Sinking
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
−40 −25 −10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
High−Side Driver Resistance (Ω)
R
HDHI
, V
VDD
= 12 V
R
HDHI
, V
VDD
= 3 V
R
HDLO
, V
VDD
= 12 V
R
HDLO
, V
VDD
= 3 V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
−40 −25 −10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
Low−Side Driver Resistance (Ω)
R
LDHI
, V
VDD
= 12 V
R
LDHI
, V
VDD
= 3 V
R
LDLO
, V
VDD
= 12 V
R
LDLO
, V
VDD
= 3 V
30
32
34
36
38
40
42
44
46
48
50
−40 −25 −10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
Minimum On−Time (ns)
V
VDD
= 12 V
f
SW
=600 kHz
TPS40400
SLUS930B –APRIL 2011– REVISED OCTOBER 2011 www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 7. TRACK Pin Input Bias Current Figure 8. FB pin Input Bias Current
vs. Junction Temperature vs. Junction Temperature
Figure 9. Error Amplifier Output Current Figure 10. High-Side Driver Resistance
vs. Junction Temperature vs. Junction Temperature
MINIMUM ON-TIME
vs
JUNCTION TEMPERATURE
Figure 11. Low-Side Driver Resistance Figure 12. Minimum On-Time
vs. Junction Temperature vs. Junction Temperature
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