Datasheet

Time=1 s/divm
SwitchingNode=5V/div
VOUT =20mV/div(ACcoupled)
EN=10V/div
VOUT =500mV/div
PG=5V/div
Time=500 s/divm
www.ti.com Test Setup and Results
Figure 6. TPS54226EVM-539 Input Voltage Ripple
2.9 Start Up
The TPS54226EVM-539 start up waveform is shown in Figure 7.
Figure 7. TPS54226EVM-539 Start Up
2.10 Switching Frequency
The TPS54226EVM-539 switching frequency is shown in Figure 8.
7
SLVU336–November 2009
TPS54226EVM-539 2-A, SWIFT
TM
Regulator Evaluation Module
Copyright © 2009, Texas Instruments Incorporated