Part Number: LM3643 Hi,
Due to some space limitation I`m forced to use the LM3643 without the output cap on PASS mode.
Looks to be only a bit of undershoot.
Did someone use the same configuration ?
Thanks
Luci
Part Number: LM3643 Other Parts Discussed in Thread: LM3648 , LM36010 Hi Sir,
We knew the LM3643 and LM3648 both have same I2C address= 0x63. My customer and I are trying to figure out the differences between the LM3643 and LM3648TT. They have ever used…
Part Number: LM3643 Hi Sir,
My customer would like to add an external P-MOS to do the LED switch. Could you please help to review the below schematics and advise comments? My customer also has some questions as below. The default condition is the LED light…
Part Number: LM3643 Other Parts Discussed in Thread: LM3644EVM , I am using LM3643EVM, VIN=5V, L1 inductor short circuited, device configured in PASS MODE only.
I set the brightness value in the TORCH brightness register to ~50mA and in FLASH brightness …
Mason,
Does it mean LM3643 actually can't be use with 5VDC input? When I change source V14 from 3.6V to 5V, the Vout is always goes up to 5V which is always beyond the minimum OVP threshold 4.86V. Can you let me know how to configure LM3643 simulation…
Part Number: LM3643LM3643 is used to drive LED. its input 5VDC supplied by AC/DC adaptor. 5VDC has long transmission line, 4m long with #AWG22 wires. To protect LM3643, TVS D5V0F1U2S9-7 is used to avoid ESD, surges or coupled spikes. Yet, there are still…
Part Number: LM3643 Hi team,
About the IC LM3643 boost dual LED flash driver, there are 2 questions for Pin “SDA and ‘SCL”.
1: If there is no SOC or EC on system, could we can normally operate LM3643?
2: The I2C whether could be N.C?
…
