MIC2589 Micrel Semiconductor, MIC2589 Datasheet - Page 8

• Manufacturer Part Number: MIC2589
• Description: (MIC2589 / MIC2595) SINGLE-CHANNEL NEGATIVE HIGH VOLTAGE HOT SWAP POWER CONTROLLERS/SEQUENCERS
• Manufacturer: Micrel Semiconductor

MIC2589/2595
Timing Diagrams
M9999-031504
V
V
SENSE
UV
V
Figure 1. Overcurrent and Undercurrent (No Load) Response
or V
V
GATE
V
I
OV
NLDTH
I
DRAIN
I
- V
V
LOAD
LIMIT
OFF
0A
GATE
EE
Figure 2. SENSE to GATE LOW Timing Response
1.223V
Figure 3. MIC2589/89R Overvoltage Response
(at V
t < t
Reduction in V
EE
FLT
)
I
LIMIT
1V
Load current is regulated
= 50mV/R
at I
100mV
t
LIMIT
OVPHL
DRAIN
= 50mV/R
OVERCURRENT
to support
SENSE
1V
(at V
EVENT
t
EE
t
FLT
SENSE
)
t
8
OCSENSE
(V
UV
t
— V
OVPLH
V
t
NLD
UVL
EE
Output OFF
)
(at V
(at V
1.203V
DD
)
EE
1V
)
V
(V
UVH
UV
(at V
— V
EE
EE
)
)
March 2004
Micrel