MIC2590B_08 Datasheet, PDF (7/23 Pages) Micrel Semiconductor – Dual-Slot PCI Hot Plug Controller

Micrel, Inc.
MIC2590B
Symbol
V_FILTER
I_FILTER
I_SLEW
V_THILIMIT
V_THFAST
V_IL
V_OL
V_IH
R_PULL-UP
I_IL
I_LKG(OFF)
T_OV
R_OUT(ON)
R_OUT(12V)
R_OUT(12MV)
R_OUT(AUX)
V_OFF
V_OFF(+12V)
V_{OFF(–12V)}
V_OFF(AUX)
I_THSLOW
I_LIM(12)
I_LIM(12M)
I_THFAST
I_AUX(THRESH)
I_SC(TRAN)
Parameter
C_FILTER Threshold Voltage
C_FILTER [A/B] Charge Current
12V_SLEW[A/B] Charge Current
Current Limit Threshold Voltages
5V[A/B] Supplies
3.3V[A/B] Supplies
5V_OUT[A/B] and 3V_OUT [A/B]
Fast-Trip Thresholds
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)
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
Auxiliary Output Current Limit Threshold
Figure 4
Maximum Transient Short Circuit
Current
Condition
V_[5/3]V_IN – V_[5/3]V_SENSE > V_THILIMIT
During turn-on only
V_5VIN – V_5VSENSE
V_3VIN – V_3VSENSE
MIC2590B-2
MIC2590B-5
I_OL = 3mA
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
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)
Current which must be drawn
from V_AUX to register as a fault
V_AUX Enabled, then Grounded
Min
Typ
Max
1.20
1.25
1.30
1.80
2.5
5.0
13
22
35
35
50
65
35
50
65
90
113
135
Disabled
0.8
0.4
2.1
40
±5
±5
140
130
160
150
500
2
400
50
–50
50
0.52
–0.11
1.0
–0.20
1.0
1.5
–0.2
–0.3
2.15
3.0
–0.45
–0.6
0.84
I_MAX = V_STBY / R_DS(AUX)
Units
V
µA
µA
mV
mV
mV
V
V
V
kΩ
µA
µA
°C
°C
°C
°C
mΩ
Ω
mΩ
mV
mV
mV
A
A
A
A
A
A
September 2008
7
M9999-091808