Hello Alex,
Thank you for your interest in the UCC28630 flyback controller.
I understand your concern with the case of a shorted output rectifier diode. In such a case, the output capacitor would rapidly discharge through the shorted diode and secondary…
Part Number: UCC28630
The SCH and questions is as below
1，Questions
a，The UCC28630 can’t be started and there has no output voltage when it is tested in the low temperature（ -40°C）
b，At the light load or no load, The output voltage is normal …
Hello Jayaprakash,
Thank you for your interest in the UCC28630 controller.
I'm sorry that you are having trouble procuring a suitable transformer for your project.
I believe that the Worth core and the TDK core are essentially equivalent. The difference…
Part Number: UCC28630 Other Parts Discussed in Thread: UCC24610 Hi,
I am planning to design an isolated power supply using the UCC28630 device. The flyback power supply currently in use is FA8A71NL3(Fuji Electric). In order to simplify the circuit,…
Hi Wei-Hao.
Thanks for your always kind help!!
I will try to replace the components you commented.
Additionally, could you let me know how I can check if the UCC28630 is destroyed and any faults in the UCC28630?
I read the datasheet about fault…
Hello Tim,
Thank you for your interest in the UCC28630 flyback controller.
I recommend to restore the cut connection at D12/R19. I believe the problem is in the transformer polarity assignment.
Since there are several output windings it is easier…
