Datasheet
TI: 400kHz
Ind: 400kHz
5 10 15 25 35
75
90
20 30
80
85
Efficiency − %
C
L
− Load Currnt − A
TI: 500kHz
Ind: 500kHz
5 10 15 25 35
75
90
20 30
80
85
Efficiency − %
C
L
− Load Currnt − A
TI: 600kHz
Ind: 600kHz
5 10 15 25 35
75
90
20 30
80
85
Efficiency − %
C
L
− Load Currnt − A
TPS28225
TPS28226
SLUS710C –MAY 2006–REVISED APRIL 2010
www.ti.com
Efficiency of Power Stage vs Load Current at Different Switching Frequencies
Efficiency achieved using TPS28225/6 driver with 8-V drive at different switching frequencies a similar industry
5-V driver using the power stage in Figure 27 is shown in Figure 33, Figure 35, Figure 34, Figure 31 and
Figure 32.
EFFICIENCY EFFICIENCY
vs vs
LOAD CURRENT LOAD CURRENT
Figure 31. Figure 32.
EFFICIENCY
vs
LOAD CURRENT
Figure 33.
26 Submit Documentation Feedback Copyright © 2006–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS28225 TPS28226