Micrel, Inc.
Then, the load that the remaining regulator can dissipate
must not exceed:
375mW – 267.5mW = 107.5mW
This means, using the same 5V input and 3.3V output
voltage, the second regulator is limited to about 60mA.
MIC5210
Taking advantage of the extremely low-dropout voltage
characteristics of the MIC5210, power dissipation can be
reduced by using the lowest possible input voltage to
minimize the input-to-output voltage drop.
September 2006
10
M9999-090806