Datasheet

V
OUT
(50 mV/Div)
I
OUT
(10A/Div)
V
OUT
(100 mV/Div)
I
OUT
(10A/Div)
V
OUT
(50 mV/Div)
I
OUT
(10A/Div)
70
75
80
85
90
95
100
0 5 10 15 20
EFFICIENCY (%)
OUTPUT CURRENT (A)
V
IN
= 12V
V
IN
= 5V
I
OUT
= 20A
Performance Characteristics www.ti.com
6 Performance Characteristics
Efficiency
vs
Load Line Regulation
Load Regulation (V
IN
= 12V) 0A to 10A Load Transient Response
Figure . Figure . Figure 3. 100 µs/DIV
10A to 20A Load Transient Response 0A to 20A Load Transient Response
Figure . Figure 4. 100 µs/DIV Figure . Figure 5. 100 µs/DIV
4
AN-1992 LM27402 Evaluation Board SNVA406B–May 2010–Revised May 2013
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