ADP1660 EN Pin

Hi Oliver,

EN pin has to connect somewhere in order for part to be enabled. You won't be able to turn-on the LED without this pin high. You may connect this pin to VIN to enable the part when VIN is high.

Hi Oliver,

EN pin has to connect somewhere in order for part to be enabled. You won't be able to turn-on the LED without this pin high. You may connect this pin to VIN to enable the part when VIN is high.

Dear Fil,

1. If I don't connect the EN pin to anywhere, the EN pin's voltage level will be what value?

2. So the EN pin can direct connect somewhere without a resister to connect between EN pin and somewhere pin?

3. If I want to disable ADP1660, Does the EN pin need to pull low with a resister or not?

Thanks.  

Hi Oliver,

1. It could be any value and we don't want that so as not to get unexpected behavior.

2. I think it is ok to have resistor as long as the turn-on & turn-off levels at the EN pin will be correct.

3. Similar to Item 2. May or may not have resistor to GND. A resistor to ground may help ensure EN is to GND.

Dear Fil,

Noted it, thanks a lot.