MIC2590B
Symbol
V
IL
V
OL
V
IH
Parameter
LOW-Level Input Voltage
(SCL, SDA, ON[A/B], A[0-2],GPI[A/B])
Output LOW Voltage
/FAULT[A/B], /INT, SDA
HIGH-Level Input Voltage
SCL, SDA, ON[A/B], A[0-2],
AUXEN[A/B], GPI[A/B])
Internal Pullups from A[0-2] to V
STBY
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)
R
OUT(ON)
R
DS(12V)
R
DS(12VM)
R
DS(AUX)
V
OFF
V
OFF(+12V)
V
OFF(–12V)
V
OFF(VAUX)
I
THSLOW
I
LIM(12)
I
LIM(12M)
I
THFAST
I
AUX(THRESH)
I
SC(TRAN)
I
LIM(AUX)
R
DISCH
R
(12V)
R
(12MV)
R
(3V)
R
(5V)
R
(3VAUX)
t
OFF(3)
t
OFF(5)
T
SC(TRAN)
t
OFF(12)
t
OFF(12M)
Output MOSFET Resistance
12V MOSFET
–12V MOSFET
V
AUX
MOSFET
Off-State Output Offset Voltage
12V
OUT
[A/B]
12MV
OUT
[A/B]
V
AUX
[A/B]
Current Limit Threshold
12V MOSFET
–12V MOSFET
Fast-Trip Thresholds
T
J
Increasing, each slot,
Note 5
T
J
Decreasing, each slot,
Note 5
T
J
Increasing, both slots,
Note 5
T
J
Decreasing, both slots,
Note 5
140
130
160
150
I
OL
= 3mA
2.1
Condition
Min
Typ
Max
0.8
0.4
Micrel
Units
V
V
V
R
PULL-UP
I
IL
I
LKG(OFF)
T
OV
40
±5
±5
kΩ
µA
µA
°C
°C
°C
°C
I
DS
= 500mA, T
J
= 125°C
I
DS
= 100mA, T
J
= 125°C
I
DS
= 375mA, T
J
= 125°C
12V
OUT
[A/B] = Off, T
J
= 125°C
12MV
OUT
[A/B] = Off, T
J
= 125°C
V
AUX
[A/B] = Off, T
J
= 125°C
12V
OUT
[A/B] = 0V
12MV
OUT
[A/B] = 0V
12V
OUT
[A/B] (MIC2590B-2)
12MV
OUT
[A/B] (MIC2590B-2)
500
2
400
50
–50
50
0.52
–0.11
1.0
–0.20
1.0
–0.2
2.15
–0.45
0.84
I
MAX
= V
STBY
/ R
DS(AUX)
0.375
0.7
1600
600
150
150
430
1
33
1
1
1.35
1.5
–0.3
3.0
–0.6
mΩ
Ω
mΩ
mV
mV
mV
A
A
A
A
A
A
A
Ω
Ω
Ω
Ω
Ω
µs
µs
µs
µs
Auxiliary Output Current Limit Threshold Current which must be drawn from V
AUX
Figure 4
to register as a fault
Maximum Transient Short Circuit Current
Regulated Current after Transient
Output Discharge Resistance
12V
OUT
[A/B]
12MV
OUT
[A/B]
3V
OUT
[A/B]
5V
OUT
[A/B]
3V
AUX
[A/B]
Current Limit Response Time
for 3.3V and 5V Outputs,
Figure 2
V
AUX
Enabled, then Grounded
From end of I
SC(TRAN)
to C
FILTER
Time Out
12V
OUT
[A/B] = 6.0V
12MV
OUT
[A/B] = –6.0V
3V
OUT
[A/B] = 1.65V
5V
OUT
[A/B] = 2.5V
5V
OUT
[A/B] = 1.65V
MIC2590B-2 with C
GATE
= 10nF,
V
IN
– V
SENSE
= 200mV
V
AUX
Current Limiter Response Time V
AUX
[A/B] = 0V,
Note 5
Figure 5
12V Current Limit Response
Figure 3
–12V Current Limit Response
Figure 3
12V
OUT
[A/B] = 0V,
Note 5
12MV
OUT
[A/B] = 0V,
Note 5
MIC2590B
8
August 2002
MICREL [ MICREL SEMICONDUCTOR ]
