Part Number: UC2854B Tool/software: Hi，
The following two images, the direction of the chip in the left image is indicated by a notch, while the direction of the chip in the right image is indicated by a dot; Are both normal?
Is the silk screen printing…
Part Number: UC2854B-EP Other Parts Discussed in Thread: UC2854 , UC1854 Hi
I am using UC2854 for 115V, 360Hz to 30V convertion for 15W power supply, For room temperature gate pulse starting at 2nd negative cycle itself, but while testing at 110deg…
Part Number: UC2854B Other Parts Discussed in Thread: UC2854 , UC2854A Tool/software: We would like to understand the current limiting mechanism of the UC2854B PFC controller.
In our design:
The multiplier block receives inputs from:
The DC output…
Part Number: UC2854B-EP Other Parts Discussed in Thread: UC2854B , Tool/software: Dear TI Team,
In the UC2854B-EP datasheet, the operating voltage values appear to be contradictory. For your reference, I have attached an image showing the issue…
Part Number: UC2854B-EP Other Parts Discussed in Thread: UC2854 , UC2854B , Tool/software:
Hi Team,
I need to know the voltage on the Vref pin of the PFC controller when I apply 0V to the Enable signal and 15V to the VCC pin of the controller. Will…
Part Number: UC2854B Other Parts Discussed in Thread: UC2854 Can we have a clear explanation on the difference between UC2854DW, UC2854ADW, UC2854BDW?
We are in need of UC2854BDW parts around 2000 qty, for regular production of welding equipment.…
Part Number: UC2854B-EP Tool/software: Dear TI Team,
I am designing a PFC system for an aircraft application with an input operating range of 90Vrms to 134Vrms and a frequency range of 360Hz to 800Hz .
The peak load for the design is 300W , while…
Part Number: UC2854B Other Parts Discussed in Thread: UCC3818 , UCC28070 CURRENT ERROR AMPLIFIER
This error amplifier configuration conventionally has a resistor from the inverting input to common, and a resistor from the multiplier output to a negative…
