hi kim
Glad to hear that. Would you mind my asking the application here for LM3405 and why this is chosen? Does the reason is that this can support Vin down to 3V?
Other Parts Discussed in Thread: LM3405XEVAL , LM3405 Hi,
In the user guide of LM3405XEVAL (snva222a), on first page, it states that this device can be configured to accept Vin from 3V to 5V. But it also states that Vboost - Vsw has to be in the range 2…
Other Parts Discussed in Thread: LM3405 Dear Sir
I am working on LM-3405 in this there is a option of PWM Dimming can you please tell me
how this is possible ?
1)Is it require a extra Circuitry for the dimming?
2)It have internal dimming function?
Reg…
Other Parts Discussed in Thread: LM3405 , LM3406 Hi, I'm trying to power an LCD backlight LED with a current source and control it with PWM. I was considering the LM3405 but now I may have to change over to LM3406 (due to increased current Requirements…
Hi Irwin, We are using LM3405 for driving a single valve. 1). But now we need to connect all the valves in series (electrically). Since the effective voltage is lower than the input voltage even if the valves are connected serially I hope I can use LM3405. …
Hi Yuting:
I know LM3405 have many in stock.
But our product is optical device.
I can only change the current of LED.
I can not use PWM to on off LED.
So I choose TPS92200,using analog signal to change the current of LED.
But LM3405 can only accept PWM…
Other Parts Discussed in Thread: LM3405 , LM317 , LM3404 Trying to use LM3405 for driving 1 Watt LED.
Problem is as follows:
The LED intensity is insufficient.
The setup is as follows:
1. Circuit as per shown in the simplified block diagram.
2. EN/DIM…