Datasheet
-0.2
0
0.2
0.4
0.6
0.8
1
0 0.5 1 1.5 2 2.5
I -OutputCurrent- A
O
V =5V
I
V =12V
I
VoltageDeviation-%
1.045
1.05
1.055
1.06
1.065
4 8 12 16 20
V -InputVoltage-V
I
I =0.001 A
O
I =1 A
O
I =2 A
O
V -OutputVoltage-V
O
www.ti.com
Test Setup and Results
Figure 2. TPS54226EVM-539 Load Regulation
2.5 Line Regulation
The line regulation for the TPS54226EVM-539 is shown Figure 3.
Figure 3. TPS54226EVM-539 Line Regulation
2.6 Load Transient Response
The TPS54226EVM-539 response to load transient is shown in Figure 4. The current step is from 500 mA
to 1.5 A (25% to 75% of rated load). Total peak-to-peak output voltage variation is as shown.
5
SLVU336–November 2009
TPS54226EVM-539 2-A, SWIFT
TM
Regulator Evaluation Module
Copyright © 2009, Texas Instruments Incorporated