Texas Instruments TPS53127EVM-614, User Manual, Page: 10 / 19

0 0.5 1 1.5 2 2.5 3 3.5 4
I - Load Current - A
LOAD
h
- Efficiency - %
0
10
20
30
40
50
60
70
80
90
100
V = 8 V
I
V = 12 V
I
V = 22 V
I
V = 8 V-22 V,
V = 1.05 V,
I = 0 A-4 A
I
OUT1
OUT1
0 0.5 1 1.5 2 2.5 3 3.5 4
I - Load Current - A
LOAD
h
- Efficiency - %
0
10
20
30
40
50
60
70
80
90
100
V = 8 V
I
V = 12 V
I
V = 22 V
I
V = 8 V-22 V,
V = 1.80 V,
I = 0 A-4 A
I
OUT2
OUT2
TPS53127EVM-614 Test Data
www.ti.com
6.1 Efficiency
Figure 4. Efficiency vs Load (V
IN
= 8 V–22 V, V
OUT1
= 1.05 V, I
OUT1
- 0 A–4A)
Figure 5. Efficiency vs Load (V
IN
= 8 V–22 V, V
OUT2
= 1.8 V, I
OUT2
- 0 A–4A)
10 TPS53127EVM-614 SLVU434 – February 2011
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