参数资料
型号: TPS65140PWPG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 2.6 A SWITCHING REGULATOR, 2100 kHz SWITCHING FREQ-MAX, PDSO24
封装: GREEN, PLASTIC, HTSSOP-24
文件页数: 9/31页
文件大小: 1391K
代理商: TPS65140PWPG4
www.ti.com
CC = 1 nF
SLVS497C – SEPTEMBER 2003 – REVISED APRIL 2006
Figure 19. CC = 1 nF
Lastly, Rc needs to be selected. A good practice is to use a 50-k potentiometer and adjust the potentiometer
for the best load transient where no oscillations should occur. These tests have to be done at the highest Vin and
highest load current because the converter stability is most critical under these conditions. Figure 20, Figure 21,
and Figure 22 show the fine tuning of the loop with Rc.
Figure 20. Overcompensated (Damped Oscillation), RC Is Too Large
Figure 21. Undercompensated (Loop Is Too Slow), RC Is Too Small
17
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