Datasheet

0.0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
I
OUT
(A)
70
95
EFFICIENCY (%)
75
80
85
90
V
IN
= 3.3V
V
IN
= 5.0V
www.ti.com Performance Characteristics
The compensation was optimized to work over the full input voltage range. Many applications have a fixed
input voltage rail. It is possible to modify the compensation to obtain a faster transient response for a
given input voltage operating point .
8 Performance Characteristics
Figure 4. LM2854 Evaluation Board Efficiency
V
OUT
= 1.2V
Figure 5. LM2854 Transient Response
I
OUT
= 0.4A - 4.0A - 0.4A
7
SNVA323B–March 2008–Revised May 2013 AN-1786 LM2854 500 kHz Buck Regulator Evaluation Board
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