Texas Instruments TPS61020EVM, Руководство пользователя

Страница: 13 / 18

Efficiency of TPS61020EVM
2-3 Evaluation With the TPS61020EVM
2.4 Efficiency of TPS61020EVM
Figure 2−2. Efficiency for 3.3 V
OUT
I
L − Load Current − mA
50
55
60
65
70
75
80
85
90
95
100
10 100 200 300 400 500 600 700 800 900
Efficiency
2.4 VI
1.8 VI
0.9 VI
Physically smaller inductors can be used to save board space, or reduce
height at the expense of lower efficiency. Conversely, physically larger induc-
tors give better efficiency.