I bought super cheap DC-DC converter on Amazon, but It was FAKE.

I bought DC/DC step-down converter modules on Amazon. LM2596 , a DC/DC converter IC sold by Texas Instruments (National Semiconductor), is used for the modules. At first I thought the IC was genuine, but I found out it's fake while experimenting with the modules. If you’d like to get something from AliExpress, it would really help me out if you used this link! I’ll use any affiliate earnings to help keep my projects going. https://s.click.aliexpress.com/e/_c3W... ◤Contents◢ 0:00 Opening Package and Introducing Product 1:08 Measuring Voltage 2:45 Checking Datasheet 4:17 Measuring Output Ripple Voltage 5:47 Fake ICs? 7:29 Measuring Efficiency and Temperature 8:34 Usability of Module Twitter:   / ichiken_make   ■Business inquiries [email protected]   / ichiken_make