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TPS54620: 12V输入,1.1V输出

Part Number: TPS54620

我在设计DLP电源时,参考DLPLCR900DEVM - DLP043,用TPS54620产生1.1V如下图所示。

我在用TI工具webbench power design产生1.1V的电路图如下图所示,

这2个电路都是12V输入,1.1V输出,但是所选的电感和开关频率都不同,请问哪个电路输出更稳定,纹波更小。客户在设计时该如何综合考虑或者选择开关频率和电感呢?谢谢。