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LM5155: Appropriate Controller

Tania Islam
Prodigy 10 points

Part Number: LM5155
Other Parts Discussed in Thread: LM5156

Hello, 

I am looking for a controller wide 12-50V DC input, 24V output, and 100W power, a QR controller for a flyback DC-DC converter with isolation.  I see LM5155, but it does not support the wide input over 45. Can I push it to 50V? if yes, kindly guide me to design my DC-DC converter.