Micrel, Inc.
MIC2593
September 2008
7
M9999-092208
Symbol
Parameter
Condition
Min
Typ
Max Units
V
FILTER
C
FILTER
Threshold Voltage
1.20
1.25
1.30
V
I
FILTER
C
FILTER
[A/B] Charge Current
V
5VIN[A/B]
V
5SENSE[A/B]
> V
THILIMIT
and/or
V
3VIN[A/B]
V
3SENSE[A/B]
> V
THILIMIT
1.80
2.5
5.0
礎
I
SLEW
12V
SLEW
[A/B] Charge Current
During turn-on only
13
22
35
礎
V
THILIMIT
Current Limit Threshold Voltages
5V[A/B] Supplies
3.3V[A/B] Supplies
V
5VIN[A/B]
V
5VSENSE[A/B]
V
3VIN[A/B]
V
3VSENSE[A/B]
35
35
50
50
65
65
mV
mV
V
THFAST
Fast-Trip Current Limit Thresholds
5V[A/B] and 3V[A/B]
MIC2593-2xTQ
90
113
135
mV
I
5VSENSE[A/B]
5V
SENSE
[A/B] Input Current
V
5VIN[A/B]
V
5VSENSE[A/B]
= 50mV
(5)
0.5
礎
I
3VSENSE[A/B]
3V
SENSE
[A/B] Input Current
V
3VIN[A/B]
V
3VSENSE[A/B]
= 50mV
(5)
0.5
礎
V
IL
LOW-Level Input Voltage
ON[A/B], AUXEN[A/B], GPI[A/B], SCL,
SDA, A[0-2]
0.8
V
V
OL
Output LOW Voltage
/FAULT[A/B], /INT, SDA
I
OL
= 3mA
0.4
V
V
IH
HIGH-Level Input Voltage
ON[A/B], AUXEN[A/B], GPI[A/B], SCL,
SDA, A[0-2]
2.1
V
R
PULL-UP
Internal Pullups from A[0-2] to V
STBY
40
k&
I
LKG,OFF(12VIN[A/B])
12V
IN
[A/B] Input Leakage Current
V
STBY[A/B]
= +3.3V
12V
IN[A/B]
= OFF
(5)
1
礎
I
LKG,OFF(12MVIN[A/B])
12MV
IN
[A/B] Input Leakage Current
V
STBY[A/B]
= +3.3V
12MV
IN[A/B]
= OFF
(5)
60
礎
I
LKG,OFF(5VIN[A/B])
5V
IN
[A/B] Input Leakage Current
V
STBY[A/B]
= +3.3V
5V
IN[A/B]
= OFF
(5)
200
礎
I
LKG,OFF(3VIN[A/B])
3V
IN
[A/B] Input Leakage Current
V
STBY[A/B]
= +3.3V
3V
IN[A/B]
= OFF
(5)
1
礎
I
IL
Input Leakage Current
SCL, ON[A/B], AUXEN[A/B], GP[A/B])
?
礎
I
LKG(OFF)
Off-State Leakage Current
SDA, /FAULT[A/B], /INT
?
礎
Overtemperature Shutdown & Reset
Thresholds, with overcurrent on slot
T
J
Increasing, each slot
(6)
T
J
Decreasing, each slot
(6)
140
130
癈
癈
T
OV
Overtemperature Shutdown & Reset
Thresholds, all other conditions (all
outputs will latch OFF)
T
J
Increasing, both slots
(6)
T
J
Decreasing, both slots
(6)
160
150
癈
癈
R
OUT(12V)
R
OUT(12MV)
R
OUT(AUX)
Output MOSFET Resistance
+12V MOSFET
12V MOSFET
V
AUX
MOSFET
I
DS
= 500mA, T
J
= 125癈
I
DS
= 100mA, T
J
= 125癈
I
DS
= 375mA, T
J
= 125癈
500
2
400
m&
&
m&