Hi,
Can you please note what supply you are using? Are you by any chance running into the current limit of the supply?
Can you also please plug your application into this calc tool? https://www.ti.com/tool/LM315XQUICK-CALC
This will help us better…
Hi Ingo,
Please share the schematic and filled-in excel tool according to your conditions.
LM315XQUICK-CALC Calculation tool | TI.com
What is the pre-charge of the battery when you first connect the battery??
Regards Arpita
Hi Takashi,
There is no minimum freq limitation on data sheet. you can download the Calculator to assist the design:
https://www.ti.com/tool/LM315XQUICK-CALC
freq lower than 200KHz will cause too big solution size and cost, that's why Webench set…
Hi Eric,
Please send the schematic and a completed quickstart calculator file https://www.ti.com/tool/LM315XQUICK-CALC
You may need to increase the output capacitance depending on the load step and its di/dt. Note that we also have converters…
Hi Rainer,
Please consult the LM3150 quickstart calculator for assistance with component selection: https://www.ti.com/tool/LM315XQUICK-CALC
Please note the inject ripple amplitude at FB as this affects stability and jitter performance as well…
Hi Michael,
There shouldn't be any problem with this controller. Pins 12 and 13 relate to the high-side gate driver. I notice the FET is a 60V device with a fairly high Miller plateau (4-5V), so there isn't a lot of margin with a 5.95V VCC level.…
Hi Petr,
The LM5166 has a hysteresis for PFM operation, not COT. With COT operation, the falling FB voltage reaches the FB threshold, which triggers the high-side FET to turn on.
In general, the ripple should be triangular (in phase with the SW…
Hi Matthias,
I took a look at the schematic and it looks ok for the most part. The ESR of your output caps is close to the minimum however, so that may be an issue. You should be able to check this by removing some of the output caps to see if that…
