Part Number: UCC28631 English Version:
I have one question. (Mr.Placek, Katek Czech Republic, Horní Suchá)
We have a problem with part of 1173080 (UCC28631 FLYBACK)
CONTR) Component is mounted on ICCPD (position N4)
Problem:
Flyback does…
Part Number: UCC28631 Hi team,
My customer would ilke to estimate the junction temperature from the case top temperature of UCC28631.
Could you let me know how to estimate the controller power dissipation?
What datasheet current parameter should…
Part Number: UCC28631 Other Parts Discussed in Thread: PMP10200 , PMP22288 Dear TI Team,
I'm using the UCC28631 primary-side regulation flyback controller in an existing design and need to cope with some updated requirements, one of them being a lower…
Hello Ulrich
I checked the AUX winding polarity, its correct. I connected a dc-supply to the BOOST_POS pin and not directly to VDD pin. Will shorting happen if the VDD capacitor is below the calculated value?
When I connected 20uF (minimum limit…
Part Number: UCC28631 Other Parts Discussed in Thread: UCC28701 , , UCC28782 Hi
Could UCC2863X can replace LD5760GR, or there has another similar IC that can replace it, thanks.
LD5760GR.pdf
Part Number: UCC28631 To whom it may concern, I am interested in using the the chip associated with this board. My design requirement is that I have a 54V output with a 6.8amp max. Can you please recommend a transformer for this solution?
Part Number: UCC28630 Other Parts Discussed in Thread: UCC28631 , UCC28704 Hi team,
My customer are currently designing with the UCC28630, but their input supply is going to be coming from a high voltage, DC battery. Due to the input, and lack of AC…
Part Number: UCC28631 Other Parts Discussed in Thread: UCC28630 We developed a flyback design based on the UCC28631 part. We received the boards and unfortunately, the supply is not starting when applying power. We believe the supply thinks the VSENSE…
Part Number: UCC28631 Dear Team,
our customer is using the UCC28631 in following system use case:
Vin: 350 to 450 V
Pout nom : 100W
Vout nom: 24V
I can share the customer's schematics and design file (Excel) via e-mail. Also with some more…
