Texas Instruments LM73605, Руководство пользователя, Страница: 15 / 22

V
OUT
(2 A/DIV)
Time (200 µs/DIV)
I
OUT
(500 mV/
DIV AC)
Load Current (A)
Ou
tput V
o
ltag
e (
V)
0.001 0.01 0.02 0.05 0.1 0.2 0.5 1 2 3 4 56
4.8
4.84
4.88
4.92
4.96
5
5.04
5.08
5.12
5.16
5.2
REG_
VIN = 12 V
VIN = 24 V
Load Current (A)
Outp
u
t
Volta
g
e
(V)
0.001 0.01 0.02 0.05 0.1 0.2 0.5 1 2 3 4 56
4.95
4.96
4.97
4.98
4.99
5
5.01
5.02
5.03
5.04
5.05
REG_
VIN = 12 V
VIN = 24 V
Load Current (A)
Ef
fici
e
nc
y
(%
)
0.001 0.01 0.02 0.05 0.1 0.2 0.5 1 2 3 4 56
50
55
60
65
70
75
80
85
90
95
100
EFF_
VIN = 12 V
VIN = 24 V
Load Current (A)
Ef
fici
e
nc
y
(%
)
0 0.6 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4 6
50
55
60
65
70
75
80
85
90
95
100
EFF_
VIN = 12 V
VIN = 24 V
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Performance Curves
15 SNVU579 – September 2017
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LM73605 / LM73606 EVM User’s Guide
7.3 LM73606EVM-5V-400K 6-A 400-kHz Board Curves
Figure 22. LM73606 5-V 400-kHz Efficiency in Auto Mode Figure 23. LM73606 5-V 400-kHz Efficiency in FPWM Mode
Figure 24. LM73606 5-V 400-kHz V
OUT
Regulation in Auto
Mode
Figure 25. LM73606 5-V 400-kHz V
OUT
Regulation in FPWM
Mode
Figure 26. LM73606 5-V 400-kHz Load Transient V
IN
= 12 V,
I
OUT
= 10 mA to 6 A to 10 mA
Figure 27. LM73605 5-V 400-kHz EVM Thermal Picture with
V
IN
= 12 V I
OUT
= 6 A