Texas Instruments TPS54326EVM-540, Руководство пользователя, Страница: 8 / 20

2.9 Start Up
The TPS54326EVM-540 start up waveform is shown in Figure 2-7 .
EN = 10 V/div
VOUT = 500 mV/div
PG = 5 V/div
Time = 500 s/div
m
Figure 2-7. TPS54326EVM-540 Start Up
2.10 Switching Frequency
The TPS54326EVM-540 switching frequency is shown in Figure 2-8 .
500
600
700
800
900
0 5 10 15 20
V - Input Voltage - V
I
f
-SwitchingFrequency-kHz
sw
V = 1.8 V
O
V = 3.3 V
O
I = 1 A
O
Figure 2-8. TPS54326-540 Switching Frequency
Test Setup and Results www.ti.com
8 TPS54326 Step-Down Converter Evaluation Module User's Guide SLVU353A – NOVEMBER 2009 – REVISED OCTOBER 2021
Submit Document Feedback
Copyright © 2021 Texas Instruments Incorporated