Any possibility of stealing some current from the Vcp to run other circuits?
I need ~50mA on V3P3. So, can I:
- Connect VIN_LDO to VCP?
- Connect VIN_LDO to VCP through a switcher (to reduce the current)?
Something like the MPM3606 low current switcher…
I’m sure the amount of current I can steal is a function of the switching frequency of the PWM into the MP6543…
A. What is the PWM frequency VS power consumption?
B. What is the maximum PWM frequency?
C. What is the drop out voltage and PSRR for the V3P3 regulator?
D. If I cannot steal 50mA, how much can I steal?
I have multiple MP6543’s on the board, so, perhaps I can load share.