MIC2585 Micrel Semiconductor, MIC2585 Datasheet - Page 8
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MIC2585
Manufacturer Part Number
MIC2585
Description
(MIC2584 / MIC2585) Dual-Channel Hot Swap Controller/Sequencer
Manufacturer
Micrel Semiconductor
Datasheet
1.MIC2585.pdf
(28 pages)
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MIC2584/2585
Timing Diagrams
MIC2584/2585
(V
CCx
– V
Figure 2. Gate Voltage Window — Tracking Mode
SENSEx
V
Figure 5. Sequencing Modes (MIC2585 only)
V
GATEx
CPOR
OUT[1,2]
PG
/POR
V<0.25V
OFF
OFF
ON
[1/2]
)
ON
ON
Figure 3. Current Limit Response
Figure 4. Start-Up Cycle Timing
Sequencing/Tracking Mode, TRK = V
V
GATE2 OFF
GATE2 OFF
GATE1 ON
FB
GATE1 ON
V
(-1)
OUT1
V
t
OUT1
Tracking Mode, TRK = V
DLY
ON Pin Deasserted
ON Pin Asserted
,
V
V
(-2)
OUT2
OUT2
GATE1 OFF
GATE2 OFF
GATE1 ON
GATE2 ON
100mV
100mV
(-1) - V
(-2) - V
50mV
V
(-1)
OUT2
V
t
START
START
,
V
OUT2
OUT1
0.5V
(-2)
OUT1
GATE1 OFF
GATE2 ON
GATE1 OFF
GATE2 ON
8
follows V
follows V
t
OCSLOW
OUT1
GATE1
GATE2
VOUT1 - VOUT2
VOUT1 - VOUT2
V
OUT1
OUT2
PG[1/2]
or V
t
POR
V
OUT1
TRIPFAST
OUT2
V
POR
0.5V
or V
OUT2
V<0.25V
V<0.25V
t
OCFAST
March 2005
Micrel