Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Hello,
The LM3409-Q1 datasheet (SNVS602L) section 8.3.4 gives a minimum ripple current requirement in order to achieve reliable current regulation:
The LM3409 Demonstration Board User's Guide…
Part Number: LM3409-Q1 Hi Expert,
Our customer has a new request. They want to output 7A current. Is it possible for LM3409-Q1 drive external to achieve that? Do you have related reference design? Thanks.
BR,
Elec Cheng
Part Number: LM3409-Q1 Hi team,
Could you help to provide the test data for the below curve, especially for non-linear part in the red circle?
BRs,
Haury
Part Number: LM3409-Q1 Hi Experts,
My customer faced an EMC noise issue on LM3409-Q1.
Could you please give me any advice?
Issue.1
They are conducting an EMC test (CE) on the DMD headlamp, but the noise in the high frequency band (50MHz~100MHz) is out…
Part Number: LM3409-Q1 Hi Expert
because of comparator's input offset, Imax value have offset so customer have two question as below:
1. how to get I maxH and ImaxL value?
2. because this offset will influence output current accuracy so they need…
Part Number: LM3409-Q1 Hi Expert
My customer need the test issue as below show:
firstly this device used in DLP LED driver and customer schematic as below:
in their test, they doesn't input PWM, just input 0.66V to IADJ
when input voltage =12V everything…
Part Number: LM3409-Q1 Hi Expert
in the EVM:
1. my customer change the parameter is:
Roff: 1K
Coff: 470pf
RSNS: 75mohm
EN PWM: 140HZ
PWM min pulse: 5uS
min stable current: 385mA
customer used internal PWM method, control EN pin.
situation: When external…
Part Number: LM3409-Q1 Hi Expert
in the analog dim, i know Vadl can control output Led current.
but I doesn't found calculate about LED current and Vadj. i just found below information in datasheet.
could you please share the calculate method base…
Part Number: LM3409-Q1 Hi Expert
application condition:
input voltage: 12V
output: 1.7~3.5V 3A
120Hz
my customer have four question as below:
1. how many is our device minimum pulse length? how to calculate it?(i know 115ns is device min pulse but we…