Part Number: UCC28C42 Tool/software: Dear TI team,
We need your help. Can you tell us if this component is of your manufacture or not ?
Are the both marking are from TI ?
Please see attached photos and x-ray photos.
Broker
Original
X-ray left original…
Part Number: UCC28C42
Tool/software:
Hello,
In the new and updated datasheet of UCCx8C4x (REV I) a new line of COMP Pin sourcing current when FB pin shorted is added and current = 5.5mA max.
1. Why the new behaviour?
2. Was it ways like it or something…
Part Number: UCC28C42 Tool/software: Hi Team,
Each article shares different formula for calculating the R & C value of snubber.
Please share right formulas to arrive the R & C value for implementing in Flyback converter using UCC28C42 and also please…
Part Number: UCC28C42 Tool/software: Hi Team,
i would like to check with you why the OCP pot will decrease during high temp?
we found some use case when work at high temp ,it is more easy to triggers the OCP .it there a issue relate to IC itself or …
Reed,
I do not have that information available, and I am not sure if that information is public. Let me reach out to my team and see if is possible to get and share that information with you.
Thank you
Part Number: UCC28C42 Tool/software: Hello,
On UCC28C42:
1. Is it acceptable to exceed a timing capacitor value of 4.7nF in order to achieve the desired switching frequency and max duty cycle?
2. If synchronization is utilized, does the natural frequency…
Hi Huang,
The Below attached image is taken from UCC28C42 datasheet application notes. I like to know the formulas for calculating the D, R & C of the snubber section. Could you Please help on this?
Part Number: UCC28C42 Other Parts Discussed in Thread: TL431 , TLV431 , UC3844 Tool/software:
Hi team,
When customer want to use UCC28C42 in the new circuit design. Vin=19.2VDC. There are total 3 outputs. Vout1=5V 0.7A(main feedback winding). Vout2=…
Part Number: UCC28C43-EP Other Parts Discussed in Thread: UCC28C42
Hello everyone,
Can someone tell me what is the difference between UCC28C42 and its EP version?
Can I safely interchange those two in already on-market products?
Part Number: UCC28C42 Hi Team,
I am doinjg simulation fdor the ucc28c42 accordance with ti webench schematic for vin 40v to 200v dc ang vout 12v 2a,
i m observing that circuit giving right sim results with 180v dc in but not with 40v, could u pleas…