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Part marking Date Code - Monolithic Power Systems Technical Forum Hello Ulrich, Sorry for the late response to your question On our site you can find package information for all our chips Package Information - Support (monolithicpower com) For this package, if it was manufactured past 2010, then the top marking “PPPY” “PPP” is the part code, while “Y” denotes the year So for your MPQ4568GQ-Z, “ACVH”, the H is for 2017 The date decoding
LLC vs AHB (Hybrid flyback) - Monolithic Power Systems Technical Forum My 10 cents, the article mentions that hybrid flyback topology, utilizes a resonant capacitor to output extra power through the transformer and is more suitable for higher power applications compared to conventional flyback topology, and it can also experience a second SR gate and shoot-through Therefore, possibly LLC is recommended over AHB for high power applications because of its superior
MPQ4470 Cannot Regulate - Monolithic Power Systems Technical Forum Dear MPS, This is Brian and had encountered issue on MPQ4470 converter The design is as follows: The compensation from the MPS DC DC Designer proposed two type RAMP1 2 I had tried both compensation methods A) RAMP1 show a regulation on 12V but the voltage is anormal When no load condition the output is set 12 0V which is good However once the converter is loaded with 100mA and the voltage