Part Number: LM5118 SPEC:
Vin:20-60V Vout: 33V 2A
Actual measurement:
Vin:38-60V, Output is normal
Vin: 20-38V, the output voltage cannot stably output 33V.
I put the customer's schematic in the attachment.
Thank you for finding out the reason…
Hi Najma,
your calculation looks OK.
For reduction of the loss you can have a lower voltage at VCCX - still higher then 7V to get enough gate signal
e.g. with 10V it would be:
LDO power dissipation = (VCCX-VCC)*{(Qg*fsw)+IBAIS} = (10-7) * ((96nC*221000…
Part Number: LM5118 Hi,
Vin(min) - 9V
Vin(max) - 69V
Vout - 12V
Iout - 3A
For the Enable signal, we are planning to use a GPIO from controller to toggle the pin. In datasheet it has been mentioned that, Enable pin status as per the voltage across the…
Part Number: LM5118-Q1 Other Parts Discussed in Thread: LM70880 , , LM5177 Hi TEAM
Our customers want the boards we develop to work well in 12V, 24V, and 48V vehicle battery environments.
At first, I tried to use a buck boost product (LM70880), but considering…
Part Number: LM5118 Hello,
I am designing a converter with LM5118. In this process, I follow the typical application in the datasheet. However, I noticed some errors in the calculations and I would like to both report and confirm them.
The first error…
Part Number: LM5118-Q1 Other Parts Discussed in Thread: LM5177 Hi Texas Team,
We are using LM5118Q1MH buck boost for our product.The input votage of the converter is getting from two different cases. 1.When power on,Input voltage is taken from AC-DC module…
Part Number: LM5118-Q1 Other Parts Discussed in Thread: LM5118 Hello Sir ,
Kindly need your opinion on LM5118 product as i am using this in several projects currently i am using this part in body control module in automotive .
I need your support on maximum…
Part Number: LM5118 Hi expert TI....
My regulator does not work when I try to start it with the load set to my minimum input voltage (12 Vdc), I have to add a delay to the load to wait for it to work. How can I get around this?
VOUT = 12 VDC VIN = 12 VDC…
Part Number: LM5118-Q1 Hi Team,
I have design 9-36Vin to 24Vout @3A power supply using Lm5118-Q1 IC, I have used the components value recommended by Webench design for the same. Everything is working fine. but during short circuit test I am still getting…
Part Number: LM5118 Other Parts Discussed in Thread: LM5116 Hello,
Can the LM5118 internal oscillator be synchronized to an external clock by AC coupling a positive edge to the SYNC pin (as is necessary for the LM5116)?
Thanks,
Stephen