Part Number: UCC28C40 Other Parts Discussed in Thread: UCC28C42 , , TINA-TI Tool/software:
We tried the simulations using UCC28C40 example model and modified as per the typical application design schematic of UCC28C42 document.. We observed that simulation…
Part Number: UCC28C40 Dears,
How to choose transformer parameters, do you have any relevant guidance?
customer sch as below, he wants to double the output power of the 22V circuit.
Part Number: UCC28C40 Need details on totem pole Driver characterstics.
PMOS (pull up) and NMOS (pull down) on-resistance values used, as per the datasheet it is highlighted that The UCCx8C4x family houses unique totem pole drivers exhibiting a 10ohms…
Part Number: UCC28C40 Tool/software:
I am Referring to Webench circuit of UCC28C40.U4 is symbol name for the UCC28C40. When i apply a supply of 85V to 265V , no voltage reaches the UCC28C40, resulting in no waveform at RT/CT pin and the output pin
Part Number: UCC28C40 Other Parts Discussed in Thread: TL431 Tool/software: Hi,
UCC28C40 was tested at a high temperature of 70 degrees Celsius, and when outputting a load of 1A, the output voltage was too high. The designed output voltage of the product…
Part Number: UCC28C40 Tool/software: Hi expert,
This is Shenzhen FAE Evan, my customer found this PWM output below in light load scenario. Can you help clarify if the PWM wave is normal for UCC28C40 in light load scenario? I feel it seems go in pulse…
Part Number: UCC28C40 Hi,
UCC28C40 was tested at a high temperature of 70 degrees Celsius, and when outputting a load of 1A, the output voltage was too high. The designed output voltage of the product was 5.05V, with a 1% accuracy. However, during the…
Part Number: UCC28C40 Other Parts Discussed in Thread: UCC28C41 , Hi team, there is an urgent issue from our customer anker, Could you give some suggestions?
the SCH is as the follow picture
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Key issue : 1.12V input and 34 V output, t he…
Part Number: UCC28C40 Tool/software: Hi Team,
We found the issue on part with marking "2C40". In same design, marking "28C40" is good.
May I check with you if any PCN indicate the marking change before? Beside, in that PCN, is there anything change…