Datasheet

0 20 40 60 80 100 120 140 160 180 200
V = 18 V
IN
V = 12 V
IN
V = 15 V
IN
V = 8 V
IN
50
55
60
65
70
75
80
85
90
95
100
Efficiency - %
I - Output Current - mA
O
V =3.3V
O
0 0.5
I -OutputCurrent- A
O
95
100
Efficiency-%
V =8V
IN
V =12V
IN
V =15V
IN
V =18V
IN
90
85
80
75
70
65
60
0.25 0.75 1 1.25 1.5 1.75 2
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
V =15V
IN
V =18V
IN
V =8V
IN
OutputRegulation-%
I -OutputCurrent- A
O
V =12V
IN
-0.025
-0.020
-0.015
-0.010
-0.005
0
0.005
0.010
0.015
0.020
0.025
8 9 10 11 12 13 14 15 16 17 18
I =1 A
O
V -InputVoltage-V
I
OutputRegulation-%
TPS54233
www.ti.com SLUS859B –OCTOBER 2008– REVISED FEBRUARY 2011
APPLICATION CURVES
Figure 14. TPS54233 Efficiency Figure 15. TPS54233 Low Current Efficiency
Figure 16. TPS54233 Load Regulation Figure 17. TPS54233 Line Regulation
© 2008–2011, Texas Instruments Incorporated Submit Documentation Feedback 19
Product Folder Link(s): TPS54233