Part Number: UCC28631 Tool/software: Hello,
The webench power designer circuit for 5V1A from mains flyback controller says that the primary and aux polarity is the same, whereas the secondary polarity is different. The transformer detail asks for winding…
Part Number: UCC28631 Hi team,
Could you let me know the minimum TEMP TRIP (thermal protection shutdown temperature) of UCC28631?
Best regards, Kazuki Itoh
Part Number: UCC28631 Other Parts Discussed in Thread: PMP20495 Hi team,
I'd like to check one thing regarding UCC28631 VSENSE pin open or short pin-check.
Does VSENSE pin detect open if thevenin resistance of the divider RTH is <10kOhm and detect…
Part Number: UCC28631 Other Parts Discussed in Thread: PMP20495 Hi team,
The VSENSE absolute min. voltage of UCC28631 is specified as -0.3V.
Is it allowed if the input current is limited <100mA
In order to protect the VSENSE pin from excessive negative…
Part Number: UCC28631 Hi team,
Could you help to clarify the output voltage sample point of UCC28631?
Is the output voltage sampling triggered by the CS pin voltage goes below I_PK(dem) as shown in Figure 25?
The output voltage sampling delay is specified…
Part Number: UCC28631 Other Parts Discussed in Thread: UCC28630
I designed a flyback using UCC28631. It does not startup and when I probe the SD pin I obtained this waveform. Please tell me the type of fault indicated by such pulse count. The flyback…
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 I use…
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…
Part Number: UCC28631 Dobré odpoledne
Mám jednu otázku. (Místek, Katek Česká republika, Horní Suchá)
Máme problém s dílem 1173080 (UCC28631 FLYBACK CONTR) Komponenta je namontována na…
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…