Datasheet

94
95
96
97
98
99
100
−50 −25 0 25 50 75 100 125 150
Temperature (°C)
Maximum Duty Cycle (%)
R
FREQ
= 80 kΩ
G011
70
75
80
85
90
95
100
−50 −25 0 25 50 75 100 125 150
Temperature (°C)
Minimum On Time (ns)
R
FREQ
= 80 kΩ
G012
2.5
2.54
2.58
2.62
2.66
2.7
−50 −25 0 25 50 75 100 125 150
Temperature (°C)
Input Voltage (V)
UVLO Start
UVLO Stop
G009
0.7
0.8
0.9
1
1.1
1.2
1.3
−50 −25 0 25 50 75 100 125 150
Temperature (°C)
Enable Voltage (V)
EN Voltage Rising
EN Voltage Falling
G010
0
100
200
300
400
500
600
700
−50 −25 0 25 50 75 100 125 150
Temperature (°C)
Frequency (kHz)
Non-Foldback
Foldback
R
FREQ
= 80 kΩ
G007
0.5
1
1.5
2
2.5
3
3.5
−50 −25 0 25 50 75 100 125 150
Temperature (°C)
COMP Voltage (V)
COMP Pin Clamp High
COMP Pin Clamp Low
G008
TPS55340
www.ti.com SLVSBD4B –MAY 2012–REVISED OCTOBER 2012
TYPICAL CHARACTERISTICS (continued)
Vin = 5 V, T
A
= 25°C (unless otherwise noted)
Figure 7. Non-Foldback Frequency vs Foldback Frequency Figure 8. COMP Clamp Voltage vs Temperature
Figure 9. Input Voltage UVLO vs Temperature Figure 10. Enable Voltage vs Temperature
Figure 11. Maximum Duty Cycle vs Temperature Figure 12. Minimum On Time vs Temperature
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