Hi LDO masters,
I would like to ask a good reference from you since I need to do an LDO for my IC design with an input of 9.7v and required Vout of 5.5V.
I have done the simple LDO with PMOS and converter and 2 resistors. But my problem is how could I possibly put such High value resistors in my IC. I need information, advice on how to do this. My resistor values are 100 and 10500 ohms. 10500 ohms is too big inside the IC .
FYI, this is for Internal Voltage regulation inside the LED Driver I am designing. I have external regulator to produce 9.8V to power my IC but I need to have 5.5V as well to power my other circuits inside.
Need much help,
Andrew