Part Number: LM3409HV-Q1 Other Parts Discussed in Thread: LM3409 , PMP15004 , TPS92515 Hello Group,
I have been struggling with this for a bit and wanted to get this question out here. I see a lot of information in these forums, so I am eager to see…
Part Number: LM3409HV-Q1 Other Parts Discussed in Thread: LM3409HV , LM3409 Dear Sir:
I make my own board of led driver wtih LM3409HV, is very similar to the circuit in AN-1953 LM3409HV Evaluation Board, but different layout.
When set PWM duty cycle…
Part Number: LM3409HV-Q1 Other Parts Discussed in Thread: LM3409HV , LM3409 We have an LED Light Bar design using the LM3409HV driver powered by +48Vdc to run a string of 12 Cree XPL LEDs. The PWM switching frequency of the driver is set at 400KHz (Roff…
Part Number: LM3409HV-Q1 Other Parts Discussed in Thread: LM3409 Hi:
The product I designed USES the LM3409 chip as the constant current drive source of the relay, which needs to provide about 3.5a constant current of 100mS after power on, and then…
Part Number: LM3409HV-Q1 Other Parts Discussed in Thread: LM3409 Hi Sir,
We used LM3429HV and found if different number of LED series, the current is different in same dimming ratio as attached file,would you please help to check whether the schematic…
Other Parts Discussed in Thread: LM3409HV-Q1 , LM3409 , TINA-TI Dear, Sir.
My customer is evaluating LM3409HV-Q1 for LED lighting source on HUD
application. As you know, Short time battery voltage drop at engine
restart after idling-stop(Cranking…
Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409HV-Q1 Tool/software: Question: LM3409HV-Q1 is used to drive three RGB lights. The front-end of this circuit is connected to a 9V~15V power supply, and the output of the chip is connected to…
Dear, Sir.
Sorry again and again.
My customer is asking about tDEL and tD-OFF.
1. Could you please clarify min & max (@25deg. C) of both.
tDEL min =?, tDEL max =?
ｔＤ-OFF min =?, tD-OFF max =?
2. Could you please clarify those values under…
Other Parts Discussed in Thread: LM3409 , TINA-TI Dear, Sir.
A customer is consodering to put a capacitor onto LVLO pin with resistor network
to avoid EMS(Immunity) malfunction.
Hence, They would like to know the parasitic capacitance value on UVLO…
Other Parts Discussed in Thread: LM3409HV , TINA-TI
Dear, Sir.
I am still waiting for your advice.
Below is my personal assumption after checking all datasheet contents.
Can you accept that,?
Otherwise, Please corrent if there were any miss…
