MIC2584/2585
Symbol
I
CPOR
V
POR
V
PORHYS
V
START
V
TRK
V
TRKOFF
V
FB1
V
FB1HYS
V
FB2
V
FB2HYS
V
OV1
V
OV1HYS
V
OV2
V
OV2HYS
I
DELAY
V
DELAY
V
DLYHYS
V
ON
V
ONHYS
I
ON
V
OL
Parameter
Power-on Reset Current
Condition
V
CC1
= 5V, C
POR
= 0.5V
Start-up cycle
Charge current
Sink current
Power-on Reset Delay Threshold
Power-on Reset Delay Threshold
Hysteresis
Start-up Threshold
TRK Pin Threshold
(MIC2585 only)
TRK Pin Turn-off Voltage
(MIC2585 only)
FB1 Threshold
FB1 Threshold Hysteresis
FB2 Threshold
FB2 Threshold Hysteresis
OV1 Threshold
(MIC2585 only)
OV1 Threshold Hysteresis
(MIC2585 only)
OV2 Threshold
(MIC2585 only)
OV2 Threshold Hysteresis
(MIC2585 only)
Delay Timer Pin Current
(MIC2585 only)
Delay Timer Pin Threshold
(MIC2585 only)
Delay Timer Pin Threshold
Hysteresis (MIC2585 only)
ON Pin Input Threshold
ON Pin Hysteresis
ON Pin Input Current
/FAULT , /POR , PG1, PG2 Output
Low Voltage (PG1 and PG2 for
MIC2585 only)
/FAULT , /POR , PG1, PG2 Active
Output Pull-up Current
(PG1 and PG2 for MIC2585 only)
GATE1 and GATE2 ON/OFF
Voltage Window (Tracking enabled)
Note 3
V
ON
= V
CCX
I
OUT
= 1.6mA, V
CC1
= 5V
1.190
V
CC1
= V
CC2
= 5V
Timer charge current
Timer discharge current
1.190
–9
0.75
1.190
0.75
Start-up cycle
ON deasserted, I
GATE
> 10µA
V
CC1
= V
CC2
= 5V
ON asserted, V
SENSE2
– V
OUT2
V
CC1
= V
CC2
= 5V
0.25
0.25
150
1.190
1.190
Min
–3.5
Typ
–2.5
2.5
1.235
25
0.30
0.30
250
1.235
25
0.80
25
1.235
25
0.80
25
–6
200
1.235
25
1.235
25
0.1
0.5
0.4
1.290
1.290
–3
0.85
1.290
0.85
0.35
0.35
400
1.290
1.290
Max
–1.5
Micrel
Units
µA
V
mV
V
V
mV
V
mV
V
mV
V
mV
V
mV
µA
V
mV
V
mV
µA
V
I
PULLUP
ON asserted, V
FB1
> 1.25V, V
FB2
> 0.8V
/POR = V
CC1
– 1V
See Timing Diagram (Figure 2)
7
12
22
µA
V
GATEWIN
100
250
mV
AC Parameters
t
OCFAST
t
OCSLOW
Note 1.
Note 2.
Note 3.
Note 4.
Fast Overcurrent Sense to GATE
Low Trip Time
Slow Overcurrent Sense to GATE
Low Trip Time
V
CCx
– V
SENSEx
= 100mV, C
GATE
= 10nF
See Timing Diagram (Figure 3)
V
CCx
– V
SENSEx
= 50mV, C
FILTER
= 0
1
20
µs
µs
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
For the MIC2584, V
GATEWIN
is specified only when ON is asserted.
Specification for packaged product only.
March 2005
7
MIC2584/2585
MICREL [ MICREL SEMICONDUCTOR ]
