Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Hi Team,
The customer is using the LM3409-Q1 chip in an automotive DLP application to drive a load consisting of two white LEDs connected in series, with a current of 6.6A and a voltage…
Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Hi expert,
My customers want to know more of the Pgate drive strength of LM3409-Q1. In the datasheet below, there is only the Icc_limit paramters and the Pgate output resistance value when…
Part Number: LM3409 Currently, we have one LED connected to the LM3409 driver. The maximum peak LED current is designed for 272 mA, and with PWM dimming the average LED current is about 150 mA. The LED forward voltage at 272 mA is 2.4 V.
There is now…
Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Tool/software: Hi Team, I have three questions about the LM3409-Q1. Could you please help me answer them? Thank you. 1. Can the LM3409-Q1's turn-on rise time and turn-off fall time be stably…
Part Number: LM3409 Other Parts Discussed in Thread: TPS92638-Q1
Tool/software:
I am interested in using LM3409 as a LED driver for my Project. I want to use an appropriate potentiometer on Iadj pin to control brightness of LEDs. I have total of 32…
Part Number: LM3409-Q1 Tool/software: Hi,
My customers have a question regarding LM3409-Q1's ripple.
With the polarity swap, there is a minimum current ripple need to maintain, however the customers also would like to have a smaller current ripple…
Part Number: LM3409 Tool/software: Hi team,
We have designed the below mentioned LED current driver project with LM3409 as the main component.
Here's the issue
- The current is being controlled properly upto any duty cycle percentage below 50% …
Part Number: LM3409 Current hardware setup has two LED's in series Vout form driver is 2.6V, Iout=276mA. But our new requirement should have another two LED's. We have added two more LED's in parallel.
Qns 1: Adding paralle LED's will impact my design…
Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Tool/software:
Hi iam using LM3409 for constant current,
My Roff 68K ohm and coff 10nF and applying 5v constant at coff pin,
but in my situation, both in input voltage variation as well…
Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Tool/software: Hi,
Iam using LM3409 model for constant current drive, i have set the current for 2.4A, the COFF time as per calculation and measurement is different, can i know in simulation…