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John Griffin1
over 5 years ago
Power management
Power management forum
RE: PWM Controller
I suggest that you consider using the
UCC38C43
in a flyback topology
XY
over 4 years ago
Simulation, hardware & system design tools
Simulation, hardware & system design tools forum
UCC38C43D Pspice model questions
Resolved
Hi there, I attempt to use
UCC38C43
Pspice model in Cadence Pspice for flyback power circuit
Bernard Keogh
over 4 years ago
Power management
Power management forum
RE: UCC38C43D power consumption question
Yi Xiao, You need to know the total gate charge of the external FET connected to the OUT pin to be able to estimate the total bias current. This is the same method for the PWM IC and for drivers. For the
UCC38C43
, the typical bias current is 2.3...
Kening Gao
over 4 years ago
Power management
Power management forum
RE: UCCx8C4x - soft start application
Hi Mark, Here are my suggestions. 1) and 2)Please refer to slua257 for the comparisons between UCCX8C4X and UCX84X, and the differences of parts of UCCX8C4X families www.ti.com/.../slua257.pdf UCCX8C4X is pin to pin compatible with UCX84X. Below...
Kening Gao
over 3 years ago
Power management
Power management forum
RE: UC3843A: UC3843A spec issue
Hi Cao, I think you could see TI's
UCC38C43
which has 50uA typical startup current also. The TI's
UCC38C43
, UC3843 and other vendor's XX3843 are pin to pin compatible however they have small difference in particular items such as startup...
Kazuya Nakai59
over 5 years ago
Power management
Power management forum
UCC3961/UCC38C43 Reference Design (PR127A) oscilator frequency
Hi guys, I am concidering to use AC-DC converter application circuit of the following. http://www.tij.co.jp/jp/lit/ug/sluu142/sluu142.pdf I'd like to know how to calculate what
UCC38C43
osccilation frequency is in the application circuit. ...
Vijay Phadke
over 5 years ago
Simulation, hardware & system design tools
Simulation, hardware & system design tools forum
Simulation model for UCC28C43
Resolved
I am not able to run the simulation model of
UCC38C43
in SIMETRIX. Currently, I am using UC3843
Brian Berner
over 9 years ago
Power management
Power management forum
Re: UC3843 but with soft start option
Calum, I did a parametric search and tried to match all of the features of the UC3843 and I came up with the
UCC38C43
(a line of parts was developed to be pin2pin compatible with the UC384x line). The datasheet has a note about using soft-start...
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