asking question about ic spv1050

[Moonji]

I am currently doing a project regarding thermal energy harvesting using TEC Peltier modules and an spv1050 IC chip. I constructed the circuit according to the website-sourced datasheet of the spv1050 and the picture below. However, I didn't get the desired output voltage. The input voltage from the TEC is approximately 500mV and should boost more than 3.3V. But the Output voltage from the V store that I manage to catch is about 2V only. the ldo1 and ldo2 pins from spv1050 also the simulation I get 1.8V but when using a component to do a process fabrication I cannot get the result. Is anyone have experience using this kind of configuration and can tell me what is wrong? Thanks in advance!

[Tesla DeLorean]

Dupe https://community.st.com/s/question/0D53W00001sHsLeSAK/i-would-like-to-ask-about-the-schematic-in-the-picture-below-i-am-trying-to-do-the-fabrication-and-assembly-process-by-using-the-components-on-the-schematic-but-when-i-tried-to-test-it-it-was-found-that-the-result-was-not-the-same-as-the-simulat...

@MF.2ICHERA​