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