LM3644: LM3644

user6064193

Part Number: LM3644

Hi TIer,

Can you tell me how much time it will takes when LM3644-Ioutput rise from 0 to Imax?

I didn't notice any info in the datesheet.

Thx.

0 Sean Zhou over 5 years ago

Hi Sir,

For torch mode, it is set by the reg0x08, for flash mode, it depends on the detail application(Cout and how much current you need).

If you need a very fast response time, I recommend you to use our IR mode.

Regards

Sean

0 user6064193 over 5 years ago in reply to Sean Zhou

Hi Sean,

How much time exactly will it take if the chip works in IR mode?

0 Sean Zhou over 5 years ago in reply to user6064193

Hi Sir,

For IR with boost mode, the time is about 200us;

For IR with pass mode, the time is about 36us;

Regards

Sean

0 user6064193 over 5 years ago in reply to Sean Zhou

好的，谢谢、

Power management forum