Datasheet

0 20 40 60 80 100 120 140 160
LOAD (mA)
0
10
20
30
40
50
60
70
80
EFFICIENCY (%)
600
0
100
200
300
400
500
LOAD (mA)
EFFICIENCY (%)
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50
0
10
20
30
40
50
60
70
80
EFFICIENCY (%)
LOAD (mA)
1400
0
200
400
600
800
1000
1200
LOAD (mA)
EFFICIENCY (%)
0
10
20
30
40
50
60
70
80
90
100
70
0
0
100
200
300
400
500
600
LOAD (mA)
EFFICIENCY (%)
0
10
20
30
40
50
60
70
80
90
100
0
50
100
150
200
250 300
LOAD (mA)
EFFICIENCY (%)
0
10
20
30
40
50
60
70
80
90
100
TI Confidential - NDA Restrictions
LM2731
www.ti.com SNVS217F –MAY 2004–REVISED NOVEMBER 2012
Typical Performance Characteristics (continued)
Unless otherwise specified: V
IN
= 5V, SHDN pin tied to V
IN
.
Efficiency Efficiency
vs vs
Load Current - "X" Load Current - "X"
V
IN
= 2.7V, V
OUT
= 5V V
IN
= 3.3V, V
OUT
= 5V
Figure 15. Figure 16.
Efficiency Efficiency
vs vs
Load Current - "X" Load Current - "X"
V
IN
= 4.2V, V
OUT
= 5V V
IN
= 2.7V, V
OUT
= 12V
Figure 17. Figure 18.
Efficiency Efficiency
vs vs
Load Current - "X" Load Current - "X"
V
IN
= 3.3V, V
OUT
= 12V V
IN
= 5V, V
OUT
= 12V
Figure 19. Figure 20.
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