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SMPS Selection of the main device

Power supply specifications < > Transformer design
Select main IC (built-in MOSFET) Flyback topology is recommended for 50W or less
After deciding on the main IC, we recommend that you carefully read the datasheet.
Output
Power
IC Name Manufacture Package Feature
10W ICE3B0365J Infineon DIP-8 650V CoolMOS PWM Flyback  
12W ICE3B0565J Infineon DIP-8 650V CoolMOS PWM Flyback  
20W ICE3B1565J Infineon DIP-8 650V CoolMOS PWM Flyback  
28W ICE3B2065J Infineon DIP-8 650V CoolMOS PWM Flyback  
5W HF920 MPS SOP-7 900V MOSFET PWM Flyback  
5W HF500-7 MPS SOP-7 700V MOSFET PWM Flyback  
10W HF500-15 MPS SOP-7 700V MOSFET PWM Flyback  
20W HF500-30 MPS DIP-7 700V MOSFET PWM Flyback  
2W FSQ500L ON Semiconductor TO223-4L 700V MOSFET PWM Flyback
8W FSB117H ON Semiconductor DIP-8 700V MOSFET PWM Flyback
10W FSB127H ON Semiconductor DIP-8 700V MOSFET PWM Flyback
16W FSB147H ON Semiconductor DIP-8 700V MOSFET PWM Flyback
40W FSDM0465RE ON Semiconductor TO220-6 700V MOSFET PWM Flyback
50W FSDM0565RE ON Semiconductor TO220-6 700V MOSFET PWM Flyback
60W FSDM07652RE ON Semiconductor TO220-6 700V MOSFET PWM Flyback
5W TNY284D Power Integrations SOP-7 725V MOSFET Simple ON/OFF Flyback
7W TNY286P Power Integrations DIP-7 725V MOSFET Simple ON/OFF Flyback
10W TNY288P Power Integrations DIP-7 725V MOSFET Simple ON/OFF Flyback
15W TNY290K Power Integrations eSOP-12B 725V MOSFET Simple ON/OFF Flyback
5W Viper16 ST Micro DIP-7 800V MOSFET PWM Flyback
10W Viper26 ST Micro DIP-7 800V MOSFET PWM Flyback
These ICs are just a few examples.
There are countless ICs for AC-DC switching power supply.

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