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PMM R
DWN
t-Time-100 s/divm
TPS2384
SLUS634D – NOVEMBER 2004 – REVISED MARCH 2007
POWER MANAGEMENT MODE FUNCTIONAL DESCRIPTION (continued)
PMM R
DWN
function turns off the port power by ramping down the current in a controlled fashion. The output
current ramps from I
LIM
(typically 425 mA) to 0 mA in approximately 300 µ s. Figure 15 shows the output voltage
and current shutting down for a 250-mA load.
Figure 15.
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