6.002 Fall 2000
T1: closed T2: open R
VS P= RL + RON
VS + –
1 T = T1 + T2 = f
P = CVS f
Reading: Section 11.5 of A & L.
6.002 Fall 2000 Lecture
vO RON C
1 Square wave input T= f 2 VS 2 P= + CVS f 2 RL
RL RON T " RC" 2 time constant
independent of f. MOSFET ON half the time.
In standby mode, half the gates in a chip can be assumed to be on. So P STATIC per gate is still VS2 .
related to switching capacitor.
In standby mode, f 0,...