Datasheet

OUTPUT CURRENT (mA)
EFFICIENCY (%)
100
90
80
70
60
50
1 10 100 1000 10000
V
IN
= 5.5V
V
IN
= 4.2V
V
IN
= 3.6V
OUTPUT CURRENT (mA)
EFFICIENCY (%)
100
90
80
70
60
50
1 10 100 1000 10000
V
IN
= 4.2V
V
IN
= 5.5V
OUTPUT CURRENT (mA)
EFFICIENCY (%)
100
90
80
70
60
50
1 10 100 1000 10000
V
IN
= 5.5V
V
IN
= 3.6V
V
IN
= 2.8V
OUTPUT CURRENT (mA)
EFFICIENCY (%)
100
90
80
70
60
50
1 10 100 1000 10000
V
IN
= 2.8V
V
IN
= 3.6V
V
IN
= 5.5V
LM26480
SNVS543I –JANUARY 2008–REVISED MAY 2013 www.ti.com
Typical Performance Characteristics — Buck
Output Current transitions from PFM mode to PWM mode for Buck 1
Efficiency Efficiency
vs. vs.
Output Current Output Current
(V
OUT
= 1.2V, L = 2.2 µH) (V
OUT
= 2.0V, L = 2.2 µH)
Figure 15. Figure 16.
Output Current transitions from PWM mode to PFM mode for Buck 2
Efficiency Efficiency
vs. vs.
Output Current Output Current
(V
OUT
= 3.0V, L = 2.2 µH) (V
OUT
= 3.5V, L = 2.2 µH)
Figure 17. Figure 18.
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