Datasheet

   
   
SLUS446B – MAY 2000 – REVISED DECEMBER 2000
15
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
APPLICATION INFORMATION
UDG–00053
I
L
V
SW
0
200mA
V
FB
800mV
785mV
815mV
NOTE A: Time scale not constant for CF and PFM modes.
Figure 7. Constant Frequency To PFM Transition
UDG–00054
I
L
V
SW
0
200mA
V
FB
800mV
815mV
770mV
Figure 8. PFM to Constant Frequency Transition