Part Number: UCC2803-Q1 Other Parts Discussed in Thread: MANDO Tool/software: Hello? My name is HL mando researcher Chuljin kim
In the UCC280X-Q1 documentation in the section 9.3.11 (Current Limiting)
Attached data and as highlighted above.…
Part Number: UCC2803-EP Other Parts Discussed in Thread: UCC2803 , , UCC2802 Tool/software: Hello,
We are using UCC2803 Flyback controller IC.
Regarding start up circuit , could you please help me a different approach apart from using resistor…
Part Number: UCC2803-EP Other Parts Discussed in Thread: UCC2803 Tool/software: Hello,
I am currently using https://www.ti.com/lit/ta/ssztcw6/ssztcw6.pdf?ts=1748275378787 - design guide for calculating Transformer parameters. I have considered DCM…
Part Number: UCC2803-Q1 Other Parts Discussed in Thread: UCC2803 , UCC2813-5 Tool/software: Hi,
my customer wants to move from UCC2805QDREP (50% duty cycle) to UCC2803MDREP (100% duty cycle).
They fear issues on their flyback design that may be introduced…
Part Number: UCC2803-EP Other Parts Discussed in Thread: UCC2803 Tool/software: Hello
As per below webench start up circuit suggestion,
Input voltage ranges from 180-370V, if i consider 180V as input voltage then the current consumed by UCC2803 during…
Part Number: UCC2803-EP Other Parts Discussed in Thread: UCC2803 Tool/software: In my case, i have Vaux as 9 to 9.5V. How to calculate Raux since internal zener diode will never be operational as our Vinput is 9V.
Through Webench it says 10ohm.
Part Number: UCC2803 Other Parts Discussed in Thread: UCC2800 , , UCC2802 , UCC2804
Tool/software:
HI,
I have to build isolated power supply.
AC/DC converter with
Input DC 20V to 60V
Input AC 20V to 265V
Output 12V 0.1A
I came across…
Part Number: UCC2803-EP Other Parts Discussed in Thread: UCC2803 Tool/software: Hello,
With the requirement of 180 to 380V Input voltage , Load of 0.5A and Vout of 15V. Below circuit is built using UCC2803.
Compensation and current sense is designed…
Part Number: UCC2803-EP Tool/software: Hello,
1. As per datasheet , overcurrent threshold is 1.55V (typical) , does this mean VCS is 1.55V?
But under maximum input signal its says 1.1V. How does this relate? Also, the gain. Will the fed CS input…
Part Number: UCC2803 Other Parts Discussed in Thread: TL431 , Tool/software: Hi,
I want to design a custom flyback converter for one of my applications.
Input: 24V
Output: 0-130V variable
Power: 60W With webench, I see fixed voltage designs. I…
