moh19814
Newbie level 5
Hello everybody,
I need an argent help. I am new in power electronics especially topics related to dc-dc converters, and I would like to design a flyback converter with the following specifications:
Input voltage (battery): 9V
Input current: 4A
Input power: 36watt
Output voltage: 200V
Output current: 15mA
Output power: 30watt
Operating frequency: 100Khz
Maximum duty cycle: 50%
Efficiency: 80-85% (83%).
The converter can work in either DCM or CCM mode. In case of CCM mode, I choose a fraction (a = 0.80) of the maximum value into which secondary current can decrease. In other word, during the off period Isec decreases from [Isec (max)] to [a * Isec (max)], and during on period Iprim increases from [a * Iprim (max)] to [Iprim (max)].
Please i need to submit the design in 20th of this month and i am facing a lot of problem, especially with selecting the transformer, core, windings, and how to buy it and from where. I need any available help and thanks a lot in advance.
I need an argent help. I am new in power electronics especially topics related to dc-dc converters, and I would like to design a flyback converter with the following specifications:
Input voltage (battery): 9V
Input current: 4A
Input power: 36watt
Output voltage: 200V
Output current: 15mA
Output power: 30watt
Operating frequency: 100Khz
Maximum duty cycle: 50%
Efficiency: 80-85% (83%).
The converter can work in either DCM or CCM mode. In case of CCM mode, I choose a fraction (a = 0.80) of the maximum value into which secondary current can decrease. In other word, during the off period Isec decreases from [Isec (max)] to [a * Isec (max)], and during on period Iprim increases from [a * Iprim (max)] to [Iprim (max)].
Please i need to submit the design in 20th of this month and i am facing a lot of problem, especially with selecting the transformer, core, windings, and how to buy it and from where. I need any available help and thanks a lot in advance.
