Part Number: UCC2809-2 Other Parts Discussed in Thread: TL431 PMP4113_REVF_BOM.XLS PMP4113_REVF.PDF
Good morning ,
In 2009 I asked TEXAS instrument for a reference design based on the UCC2809-P-2 PWM controller. Texas Instrument provided me with an application…
Other Parts Discussed in Thread: UCC2809-1 , TL431 Hi,
We need assistance for one of our requirement of “ DC to DC Converter “.
Where few of our required specifications are listed below
Input voltage : 12 V.
Output voltage : " -325 V "…
Hi Ajayt,
Apologies for deleting your reply. Here it is quoted:
"We want to make this effectively a full PSE/PD implementation. So the single port input acts as the PD and both the other ports are PSE, to power further devices/switches, and all at 802…
Other Parts Discussed in Thread: UCC2809-1 , PMP , UCC3809EVM Are any EVMs or PMP's offered for the UCC2809-1 (or 3809)? I can't find an EVM, and there is a big list of PMP's here http://www.ti.com/product/ucc3809#toolssoftware but I don't know…
Actually the UCC2809-2 needs 15.6V to start, the above math would be correct for the UCC2809-1.
For the UCC2809-2 the start up time with R400=20k would be ~200ms. to get the 20ms R400 would have to be <2k
Richard