Datasheet
10V/Div
1V/Div
500 mA/Div
TIME (5 ms/DIV)
V
IN
I
O
V
O
2V/DIV
1V/DIV
200 mA/Div
TIME (1 ms/DIV)
V
EN
I
O
V
O
0.0 0.2 0.4 0.6 0.8 1.0
40
50
60
70
80
90
100
EFFICIENCY (%)
LOAD CURRENT (A)
VIN = 4.5V
VIN = 9V
VIN = 12v
VIN = 24V
VIN = 42v
0.0 0.2 0.4 0.6 0.8 1.0
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
ûV
OUT
(%)
LOAD CURRENT (A)
VIN = 4.5V
VIN = 9V
VIN = 12V
VIN = 24V
VIN = 42V
0.0 0.2 0.4 0.6 0.8 1.0
40
50
60
70
80
90
100
EFFICIENCY (%)
LOAD CURRENT (A)
VIN = 4.5V
VIN = 9V
VIN = 12v
VIN = 24V
VIN = 42v
0.0 0.2 0.4 0.6 0.8 1.0
-0.20
-0.15
-0.10
-0.05
0.00
0.05
0.10
0.15
0.20
ûV
OUT
(%)
LOAD CURRENT (A)
VIN = 4.5V
VIN = 9V
VIN = 12V
VIN = 24V
VIN = 42V
LMR24210
www.ti.com
SNVS738G –OCTOBER 2011–REVISED APRIL 2013
Typical Performance Characteristics (continued)
Unless otherwise specified all curves are taken at V
IN
= 18V with the configuration in the typical application circuit for V
OUT
=
3.3V (Figure 27) T
A
= 25°C.
Efficiency vs Load Current V
OUT
Regulation vs Load Current
(V
OUT
= 3.3V) (V
OUT
= 3.3V)
Figure 9. Figure 10.
Efficiency vs Load Current V
OUT
Regulation vs Load Current
(V
OUT
= 0.8V) (V
OUT
= 0.8V)
Figure 11. Figure 12.
Power Up Enable Transient
(V
OUT
= 3.3V, 1A Loaded) (V
OUT
= 3.3V, 1A Loaded)
Figure 13. Figure 14.
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