Part Number: UC2844A Other Parts Discussed in Thread: UCC28742 Is there any comparison table between UC2844A vs. PF6116? Is UC2844A good to compete with PF6116? What else?
Please find the below link for the PF6116. Thanks.
http://www.powerforest.com/upload…
Other Parts Discussed in Thread: UC2844A , UC1844A , UC1843A , UC1845A , UC1842A We have question about UC2844A.
(UC2844ADTR)
Is NC pin connected to other pin or circuit inside the IC about UC2844ADTR?
We are concerned that the IC breaks out when our customers…
Other Parts Discussed in Thread: UC2844A We have a question about UC2844A.
Please tell us the pin processing of NC pin.
Is this OPEN or connecting to other pins?
Best regards,
Takahiro Nishizawa
Part Number: UC2842A Other Parts Discussed in Thread: UC2844A Customer fund that the duty cycle would be unstable at quite light load and certain input condition. However, when C303 is added between Pin3 and Pin4, the problem is gone. We'd like to know…
Part Number: UC2844A Other Parts Discussed in Thread: UC2844 , UC2845 Dear support member,
My customer is producting UC2844A. Very urgent.
I have two question.
1. Regarding the switching frequency of UC2844ADTR. Datasheet P11 Please tell me the difference…
Part Number: UC2844A Other Parts Discussed in Thread: UCC28C44 Hi team,
A customer is using our UC2844A in their system, and they meet some issue of thermal now. 3 questions here, I found confused too, so I ask you for help:
1. According to junction temperature…
Part Number: UC2844A Hi
I am working on a two switch forward converter using UC2844A ,Converter Specs are input universal input voltage 90-264VAC,Output 450V DC @350mA. in this power transformer is heating and drain to source voltage of the MOSFET during…
Part Number: UC2844A Other Parts Discussed in Thread: UC3844A On the TI document "uc3844a.pdf" title "UCx84xA Current-Mode PWM Controller", Figure 8 have fsw=1.72/(Rt/Ct). Is this correct?
Part Number: UC2844A Other Parts Discussed in Thread: UCC28C41-Q1 , , UCC28C40 Hi Expert,
Do we have automotive qualified for UC2844A? Our automotive device UCC28C41-Q1 UVLO hysteresis is only 0.6V.
Thanks a lot..
Zhou
Other Parts Discussed in Thread: UC2844A , UC2844 Dear,
I have designed 60watt fly-back smps using UC2844A.
Switching frequency : 84kHz
Input Voltage : 400 ~ 800Vdc
Total 6 outputs + Auxiliary supply for UC2844.
Transformer : EI33 core taken, calculated…