I've also had problems with MAX chips (I forget which one) that turned out to be very sensitive to the capacitors chosen. Doubling the size of the capacitors got it working. I was running a 5V-only part at 3.3V.
I've also had problems with MAX chips (I forget which one) that turned out to be very sensitive to the capacitors chosen. Doubling the size of the capacitors got it working. I was running a 5V-only part at 3.3V.