Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28730 Hello,
I have an application with one UCC28730 running and needed a newer version with a different transformer. Requirements: 230 V~ input to 25 V / 0,2 A output (current might get…
hello
Othmane Benani Othmani said: Is IDRS a peak value, an average, or a constant current held throughout the whole turn-on transition?
There is constant current source of 29mA (typical value) implemented inside the device which remains constant…
Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28600 , UCC28730 Hi, can you recommend a PN with the following features:
High voltage startup, primary side regulation, Quasi ressonant, Adjustable Overpower protection, Current control, Low…
Part Number: UCC28730-Q1 TI team.
I hope you are doing well.
We have a critical quality issue regarding the component UCC28730QDRQ1 .
Based on our customer report, they have identified that several units are failing due to the active discharge…
Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28730 Hello,
We have a concern about creepage at UCC28730-Q1 device.
We have detected that in our design, we will have up to 510Vrms between HV pin and DRV pin.
We need to ensure that…
Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28730 Tool/software: Hi Team,
We are facing an odd problem. We found the frequency of the UCC28730 output is not as expected. According to the datasheet, the max switching frequency should…
Part Number: UCC28730-Q1 Dear Team,
Customer has been analyzing the UCC28730-Q1 datasheet, and raised some queries regarding the control. Please, can you give us your feedback?
VCCR parameter
Datasheet: “The term VCCR is the product of the…
Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28730 Hello,
Regarding the controller UCC28730-Q1, I have another 2 concerns:
1. In order to keep the stability in all the operating range, it is indicated the next equation of Cout (Ecuation…
Part Number: UCC28730-Q1 Tool/software: We are designing our Flyback circuit with 400Vin and 18Vout, 13W using this controller.
I have used datasheet to calculate Rcs,
for an efficiency of 85% and ηxfmr of 91%, Nps = 6; Rcs can be calculated from…
Part Number: UCC28730-Q1 Other Parts Discussed in Thread: PMP23431 Tool/software: Hi,
This post is the continuation of a previously asked question. Refer here: UCC28730-Q1: HV startup - Power management forum - Power management - TI E2E support forums…
