Datasheet

1.5
1.2
1.4
0.8
0.9
0.6
0.7
1.0
1.1
1.3
–50 –25 0 25 50 75 100 125
NORMALIZED R
DS(ON)
TEMPERATURE (°C)
PFM Package
SO Package
LM22670
www.ti.com SNVS584O –SEPTEMBER 2008–REVISED MARCH 2013
Typical Performance Characteristics
Unless otherwise specified the following conditions apply: Vin = 12V, T
J
= 25°C.
Efficiency vs I
OUT
and V
IN
V
OUT
= 3.3V Normalized Switching Frequency vs Temperature
Figure 3. Figure 4.
Current Limit vs Temperature Normalized R
DS(ON)
vs Temperature
Figure 5. Figure 6.
Feedback Bias Current vs Temperature Normalized Enable Threshold Voltage vs Temperature
Figure 7. Figure 8.
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