LM34923 Datasheet, PDF (6/26 Pages) National Semiconductor (TI) – EVAL evaluation board provides the design engineer with a fully

LM34923
SNVS695A – MARCH 2011 – REVISED FEBRUARY 2013
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Typical Performance Characteristics (continued)
Current Limit Off-Time
vs.
V_FB
Maximum Switching Frequency
Figure 8.
Voltage at the R_T Pin
4.5
77 k:
4.0
34 k:
200 k:
3.5
300 k:
3.0
2.5
RT = 500 k:
2.0
1.5
1.0
5 15 25 35 45 55 65 75
VIN (V)
Figure 10.
Shutdown Current into V_IN
Figure 9.
Operating Current into V_IN
Figure 11.
UVO Pin Low Voltage
vs.
Sink Current
Figure 12.
Figure 13.
6
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