Part Number: UCC28782 Other Parts Discussed in Thread: TL431 , ATL431
Hi Team,
UCC 28782 Test Questions Asked 1. When AC power on, VDD, Vp13, Vref are normal, as shown in Figure 1. 2. Afterwards, Vs13 wakes up and pulls LOW again, and then periodically…
Part Number: UCC28782 Tool/software: Hello, Experts, Customer would like to know how to select DBUR. Would you tell how to select it, please? SS115LW RVG can be used?(It is used on EVM, called D3 and D17.) Best Regards, Fujiwara
Part Number: UCC28782 Tool/software: Hello, I previously asked a question in the following thread about the problem of startup problems occurring when the RDM constant is set too high. I would like to continue to question you about this issue. I received…
Part Number: UCC28782 Other Parts Discussed in Thread: TPA3251 , UCC28780 , , UCC2893 , TL431 I'd like to design about Audio AMP.
We will adopt TPA3251 as classD Amp.
On the other hand , I will use UCC28780 as Power supply of TPA3251.
So would you…
Part Number: UCC28782 Tool/software: Hello,
I am considering a UCC28782 device. I would like to ask you about the RRDM setting range. I am adjusting PWMH by changing the RRDM constant, but I am experiencing the following situation. When RRDM is over…
Part Number: UCC28782 Other Parts Discussed in Thread: UCC28951-Q1 , , LM5185 Tool/software: Dear Team,
I am evaluating the [UCC28782-Q1] for a power supply design and would like to confirm if it can support the following specifications:
Input…
Part Number: UCC28782 Tool/software: Hello,
I would like to ask you a question regarding the burst mode operation of the UCC28782. (Question 1) When transitioning from LPM to ABM, excessive voltage is applied to the SR_FET Vds. Please see the enlarged…
Part Number: UCC28782 Other Parts Discussed in Thread: TL103W , , TPS92074 , TPS65987 , TPS55288 Hello:
In a separate application, we need to have our UCC28782-based module behave as a "current-controlled" source. Such that its output voltage will change…
Part Number: UCC28782 Other Parts Discussed in Thread: LMG2610 , , LMG5200 , LM76005 Hello:
ds for LMG2610 states that the part is meant for a[[lications <75W
Yet, nowhere can one notice where that limit comes from.
Surely, one place would be the…
Part Number: UCC28782 Tool/software: Hello,
I would like to ask you about the behavior of UCC28782 when Vsw drops. The attached figure shows the waveform when Vsw (Vds) drops. When the low-side turns on, Vsw rises again. The part circled in red. I would…
