R
rex
I have a Nat Semi evaluation board with a LMX2320 PLL chip on it. I
guess the parts were from 5-8 yrs ago. I'd like to try to hack the board
for a test reference circuit.
The board has a 5V linear regulator on its DC input. I haven't been able
to figure out what part this is. I'd like to know what the input voltage
limits might be.
The 5V regulator chip is a 6-pin SMD device, SOT-23 I think. It is
marked 50P. Looking at the circuit, pins 2 & 5 are grounded, 6 is input
and 4 is output. Pin 1 is connected through 10K to the input voltage
(on/off maybe). Pin 5 seems to be just a cap to ground with 1.25V while
running.
I assume the part was probably from National at the time. So far my
searches haven't found a chip that matches this description. Anyone know
what it might be?
guess the parts were from 5-8 yrs ago. I'd like to try to hack the board
for a test reference circuit.
The board has a 5V linear regulator on its DC input. I haven't been able
to figure out what part this is. I'd like to know what the input voltage
limits might be.
The 5V regulator chip is a 6-pin SMD device, SOT-23 I think. It is
marked 50P. Looking at the circuit, pins 2 & 5 are grounded, 6 is input
and 4 is output. Pin 1 is connected through 10K to the input voltage
(on/off maybe). Pin 5 seems to be just a cap to ground with 1.25V while
running.
I assume the part was probably from National at the time. So far my
searches haven't found a chip that matches this description. Anyone know
what it might be?
