Other Parts Discussed in Thread: LM3431 Is the LM3431 capable of delivering 750mA - 1,000mA to each of the three independant LED strings?
Several months ago I was trying to decide what IC I was going to use for an upcoming project (design parameters below…
Hi John-san,
Thank you for the suggestion from your application engineer to disable an unused string. That is very simple and rational way.
I will request customer to add and try the additional circuit like attached.
Best Regards,
Sonoki
Other Parts Discussed in Thread: LM3431-Q1 , LP8860-Q1 , LM3410-Q1 , LM3410 , LM3423-Q1 , TPS92601-Q1 , LM3423 , TPS92691 Hello,
Are there any suitable device for the following specification? I think that LP8860-Q1, LM3431-Q1, LM3410-Q1 are similar with required…
Part Number: LM3421 Other Parts Discussed in Thread: LM3431 , , LM3423 , TPS92515 Hello, I am having problems with LM3431 configured as Buck Converter to drive leds at 700mA when dimming. I attach you the schematic for your perusal.
I have designed it following…
Hello Sanjeev,
Thank you for your answer.
For LED Driver IC, I'm looking at LM3431 now. I will check what you mentioned in detail.
BTW, How about timing chart from issuing API function (DLP_LED_SetLEDintensity) to blightness actually changed.
I…
Other Parts Discussed in Thread: LM3431 , LM3492HC Hi, I would like to ask about LM3431 to operate with 1 string.
1, The LM3431EVB(snva309) recommend to use it with number of strings from 2 to 4. Can we use LM3431 with 1 string with no problem?
2, Our customer…
Hello,
Could you please kindly let me know the LM3431Q connection.
(1)EN pin
If we don't use programable UVLO, can we connect EN pin to VCC ?
In this case should I use pull up registor ?
If yes, please let me know the registor value.
(2)LED OFF pin …
Hello,
My customer searching LED driver for Automotive of below requirement spec.
<Requirement>--------------------------
Rating : Automotive
Number of Channel : 5 channel
Vin : 5V or 8V
Vout : 4V(max)、30.1V(max) Iout / ch : 50mA(typ)、55mA(max…
