The LM3480IM3-3.3/NOPB voltage regulator will not work in our test circuit with Vin above 16V. When Vin > 16V the output voltage begins to decrease to ~ 2.6V and current is limited to < 30mA. Ambient temperature was around 30C. The chip was mounted on an adapter with a small thermal plane. The load current at 3.3V is 41mA. Should this voltage regulator work in this application? |