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Part Number: PMP11155 Hi,
- On the schematic notes on the upper left Corner; notes 3 and 4. If I rightly understood, they are so only on the PCB but on the schematic they are rightly connected. May you please confirm it?
- Where can one find the PCB file…
Part Number: PMP11155 Hi,
for the capacitor c13 between PGND and GND, there is a smd replacement for it "GA355DR7GC222KY02L" which can withstand ac and dc voltages up to 250v. May I ask you please if you would recommend this part? why not?
…
Part Number: PMP11155 Hi,
for C5, I have selected a smd replacement but it can carry a ripple current of 1.19A at 100kHz. is this enough, or must the ripple current Rating of the used C5 of About 2A be fullfilled?
Thanks,
Amr
Hi Manuel,
Thank you very much for your reply.
Could I ask you another question about UCC28811?
The customer has a lot of UCC28811 as their inventory. So they want to design a fly-back converter using UCC28811. They know UCC28811 is same function device…
Please see the following two designs that are much closer to your requirements.
If you want the PFC-flyback topology, PMP11155 is very close to your requirements. Simply add a secondary buck regulator for the 5V output, or get a new transformer with two…
Part Number: UCC28050 Other Parts Discussed in Thread: PMP11155 , Dear Team,
I would like to know the working of startup network in PMP11155.
Working voltage of Vcc is 20V but as per resistor network Vcc net will have 41V while input voltage is 90Vac.
Once…
Part Number: UCC28050 Other Parts Discussed in Thread: PMP11155 , UCC28051 , UCC28810 , , TPS92314 Dear Team,
I would like to understand more on the below points in PMP11155 reference design, TIDRT80 schematic.
1. referring to the old thread "UCC28051: why…
Part Number: UCC28051 Other Parts Discussed in Thread: PMP11155 Hi, Please let me know what is the purpose of Q3 and D10 in PMP11155 schematic. and also explain why are we using the below circuit.
Sudhakar
Yes you can. UCC28050 (which is the same as UCC28051 except UVLO threshold and gM amplifier values are slightly different, and they share the same datasheet) can be configured as such. PMP11155 is an example of UCC28050 configured as a PFC flyback…
