Texas Instruments LM76005QEVM, User Manual

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6 Application Curves
Load Current (A)
E
ff
ic
ie
n
c
y
(
%
)
0.001 0.01 0.02 0.05 0.1 0.2 0.5 1 2 3 4 5 6
0
10
20
30
40
50
60
70
80
90
100
V
IN
= 8 V
V
IN
= 12 V
V
IN
= 24 V
V
IN
= 36 V
V
OUT
= 3.3 V f
SW
= 400 kHz Auto Mode
Figure 6-1. LM76005-Q1 Efficiency
Load Current (A)
E
ff
ic
ie
n
c
y
(
%
)
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
50
55
60
65
70
75
80
85
90
95
100
V
IN
= 8 V
V
IN
= 12 V
V
IN
= 24 V
V
IN
= 36 V
V
OUT
= 3.3 V f
SW
= 400 kHz FPWM Mode
Figure 6-2. LM76005-Q1 Efficiency
Load Current (A)
O
u
tp
u
t
V
o
lt
a
g
e
(
V
)
0.001 0.01 0.02 0.05 0.1 0.2 0.5 1 2 3 4 5 5
3.3
3.32
3.34
3.36
3.38
3.4
3.42
3.44
3.46
3.48
3.5
V
IN
= 8 V
V
IN
= 12 V
V
IN
= 24 V
V
IN
= 36 V
V
OUT
= 3.3 V f
SW
= 400 kHz Auto Mode
Figure 6-3. LM76005-Q1 Load and Line Regulation
Load Current (A)
O
u
tp
u
t
V
o
lt
a
g
e
(
V
)
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
3.3
3.32
3.34
3.36
3.38
3.4
3.42
3.44
3.46
3.48
3.5
V
IN
= 8 V
V
IN
= 12 V
V
IN
= 24 V
V
IN
= 36 V
V
OUT
= 3.3 V f
SW
= 400 kHz FPWM Mode
Figure 6-4. LM76005-Q1 Load and Line Regulation
V
IN
= 12 V V
OUT
= 3.3 V f
SW
= 400 kHz
5-A Load
Figure 6-5. LM76005-Q1 Thermal Picture
V
IN
= 24 V V
OUT
= 3.3 V f
SW
= 400 kHz
5-A Load
Figure 6-6. LM76005-Q1 Thermal Picture
7 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Application Curves www.ti.com
12 LM76005QEVM User’s Guide SNVU694A – FEBRUARY 2020 – REVISED JULY 2020
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