Micrel, Inc.
MIC2085/2086
May 2006
7
M9999-050406
(408) 955-1690
Timing Diagrams
(V
CC
V
SENSE
)
V
GATE
CFILTER
0
V
TRIPFAST
0
0
1.24V
1V
48mV
t
OCFAST
t
OCSLOW
1V
Figure 1. Current Limit Response
1.24V
1.24V
FB
0
0
0
CPOR
t
POR
/POR
Figure 2. Power-On Reset Response
Figure 3. Power-On Start-Up Delay Timing
0
200 400 600 800 1000
20
50
FB Voltage (mV)
Figure 4. Foldback Current Limit Response