Micrel
MIC2589/MIC2595
AC Electrical Characteristics
(7)
Symbol
t
OCSENSE
Parameter
Overcurrent Sense to GATE
Low Trip Time
(8)
Figure 2
OV High to GATE Low
(8)
(MIC2589 and MIC2589R)
Figure 3
OV Low to GATE High
(8)
,
(MIC2589 and MIC2589R)
Figure 3
UV Low to GATE Low
(8)
,
(MIC2589 and MIC2589R)
Figure 4
UV High to GATE High
(8)
(MIC2589 and MIC2589R)
Figure 4
OFF Low to GATE Low
(8)
,
Figure 5 (MIC2595 and
MIC2595R)
ON High to GATE High
(8)
(MIC2595 and MIC2595R)
Figure 5
DRAIN Low to PWRGD1 Output
High
(8)
(MIC25XX-1XX)
t
PGHL1
DRAIN High to all PWRGDx
(8)
Outputs Low
(MIC25XX-1XX)
t
PGHL2
DRAIN Low to /PWRGD1
Output Low
(8)
(MIC25XX-2)
t
PGLH2
DRAIN High to all /PWRGDx
Outputs High
(8)
(MIC25XX-2)
Note:
7. Specification for packaged product only.
8. Not 100% production tested. Parameters are guaranteed by design.
Condition
V
SENSE
– V
EE
= 100mV
Min
Typ
Max
3.5
Units
µs
t
OVPHL
OV = 1.5V
1
µs
t
OVPLH
OV = 1.0V
1
µs
t
UVPHL
UV = 1.0V
1
µs
t
UVPLH
UV = 1.5V
1
µs
t
OFFPHL
OFF = 1.0V
1
µs
t
ONPLH
ON = 1.5V
1
µs
t
PGLH1
C
LOAD
on PWRGDx = 50pF
R
PULLUP
= 100kΩ
C
LOAD
on PWRGDx = 50pF
R
PULLUP
= 100kΩ
C
LOAD
on /PWRGDx = 50pF
R
PULLUP
= 100kΩ
C
LOAD
on /PWRGDx = 50pF
R
PULLUP
= 100kΩ
3
µs
5
µs
5
µs
3
µs
December 2005
8
M9999-120505
(408) 955-1690