Datasheet

LM20343
SNVS559B –MAY 2008–REVISED APRIL 2013 www.ti.com
Typical Performance Characteristics (continued)
Unless otherwise specified: V
VIN
= 12V, V
OUT
= 3.3V, L= 4.7µH, f
SW
=750kHz, C
SS
= 100nF, T
A
= 25°C for efficiency curves,
loop gain plots and waveforms, and T
J
= 25°C for all others.
Peak Current Limit
vs.
Temperature Startup with output voltage prebias
Figure 20. Figure 21.
Startup with C
SS
= 0 Startup with C
SS
= 100 nF
Figure 22. Figure 23.
Startup with applied Track Signal
Figure 24.
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