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
Performance Curves
13
SNVU579 – September 2017
Copyright © 2017, Texas Instruments Incorporated
LM73605 / LM73606 EVM User’s Guide
7
Performance Curves
7.1
LM73605EVM-5V-2MHz 5-A 2.2-MHz Board Curves
Figure 10. LM73605 5-V 2.2-MHz Efficiency in Auto Mode
Figure 11. LM73605 5-V 2.2-MHz Efficiency in FPWM Mode
Figure 12. LM73605 5-V 2.2-MHz V
OUT
Regulation in Auto
Mode
Figure 13. LM73605 5-V 2.2-MHz V
OUT
Regulation in FPWM
Mode
Figure 14. LM73605 5-V 2.2-MHz Load Transient V
IN
= 12 V,
I
OUT
= 10 mA to 5 A to 10 mA
Figure 15. LM73605 5-V 2.2-MHz EVM Thermal Picture with
V
IN
= 12 V I
OUT
= 5 A