Alice,
-LM5180-Q1 has a minimum switching frequency fsw for light loads (see below). If no zener diode is connected at the output, Vout will loose regulation and increase because the controller will keep switching at 12KHz, providing a minimum power. …
Hello Aditya
Please download Quick Start at https://www.ti.com/tool/download/LM5180DESIGN-CALC , fill the input boxes including your electrical specifications (especially from E6-13), and send us the completed excel file.
-EL
Part Number: LM5180DESIGN-CALC Tool/software: WEBENCH® Design Tools Is it possible to process transformers with a turns ratio of 1 : n (n > 1) with the tool? For example, if I enter a turns ratio 1:2 I get the error message #VALUE!
Hello Titouan,
Thank you for designing with our products. The Webench mainly focus on generating a design for the dc-dc power stage, and the EMI filter is usually a place holder and you need further analysis and test to get a fine tuned filter design…
Part Number: LM5180DESIGN-CALC Other Parts Discussed in Thread: LM5180 Tool/software: WEBENCH® Design Tools This is regarding LM5180 power supply.
Input voltage : 12-15V
Output Voltage : 15V
Output current : 0.2A.
1) I have calculated the resistor, capacitor…
Hi Giorgio,
The maxim power varies with Vin because the inductor peak current is fixed. At the min input voltage the allowed max power is the lowest. I would suggest you to refer to our design calculator (available at the following link), in which the…
Hi Frank,
Thank you for reaching out. I would recommend LM5180. You are right that with the LM5180 the light load efficiency should be higher under light load. Please use our design calculator at the following link to help you design. There will be two…
Part Number: LM5180-Q1 Other Parts Discussed in Thread: LM5180 , LM5181 Tool/software: I start to do worst case analysis for our design and I have some confusion about the LM5180 PSR flyback converter quickstart tool and datasheet.
Datasheet- https://www…
Hi Thomas,
Thank you for reaching out. Sorry for the inconvenience. We are continuing to improve the Webench coverage but it takes time. For the time being, please refer to our design calculator at the following links to help you design a PSR flyback…
Part Number: LM5180DESIGN-CALC Other Parts Discussed in Thread: LM5180 Hello,
my customer is currently designing the power supply for their isolated gate driver and they are currently evaluating the LM5180 with their transformer. However parts or macros…
