I am using a MP20051 to generate a reference voltage for my PECL design. All the 50 ohm resistors that is connected to each output is tied to this reference voltage (looking for this voltage to be around 1.3 V). I am using a 10k potentiometer to adjust my output (VBB). When I power it up, as I adjust the potentiometer, the voltage VBB starts at 3.3 volts on one end of the pot and quickly hits a limit of 2.4 volts going to the other end of the pot. Am I using this incorrectly?
