| ??? 05/18/03 23:46 Read: times |
#45912 - RE: 7805 heating up.... Responding to: ???'s previous message |
Mahmood,
Maybe the power supply is in current limiting with the output at ~3.3V @ 1.5A. Without forced convection, an SMT regulator with all the PCB copper it wants won't have thermal resistance much below 30 degrees Celsius per Watt. - Lee |



