MIC2590B Datasheet, PDF (8/24 Pages) Micrel Semiconductor – Dual-Slot PCI Hot Plug Controller

MIC2590B
Symbol
Parameter
Condition
V_IL
LOW-Level Input Voltage
(SCL, SDA, ON[A/B], A[0-2],GPI[A/B])
V_OL
Output LOW Voltage
/FAULT[A/B], /INT, SDA
I_OL = 3mA
V_IH
HIGH-Level Input Voltage
SCL, SDA, ON[A/B], A[0-2],
AUXEN[A/B], GPI[A/B])
R_PULL-UP
I_IL
Internal Pullups from A[0-2] to V_STBY
Input Leakage Current
SCL, ON[A/B], AUXEN[A/B], GP[A/B])
I_LKG(OFF)
Off-State Leakage Current
SDA, /FAULT[A/B], /INT
T_OV
Overtemperature Shutdown & Reset T_J Increasing, each slot, Note 5
Thresholds, with overcurrent on slot T_J Decreasing, each slot, Note 5
Overtemperature Shutdown & Reset T_J Increasing, both slots, Note 5
Thresholds, all other conditions
T_J Decreasing, both slots, Note 5
(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)
Output MOSFET Resistance
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
Off-State Output Offset Voltage
12V_OUT[A/B]
12MV_OUT[A/B]
V_AUX[A/B]
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
Current Limit Threshold
12V MOSFET
–12V MOSFET
12V_OUT[A/B] = 0V
12MV_OUT[A/B] = 0V
Fast-Trip Thresholds
12V_OUT[A/B] (MIC2590B-2)
12MV_OUT[A/B] (MIC2590B-2)
Auxiliary Output Current Limit Threshold Current which must be drawn from V_AUX
Figure 4
to register as a fault
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)
Maximum Transient Short Circuit Current V_AUX Enabled, then Grounded
Regulated Current after Transient
From end of I_SC(TRAN) to C_FILTER Time Out
Output Discharge Resistance
12V_OUT[A/B]
12MV_OUT[A/B]
3V_OUT[A/B]
5V_OUT[A/B]
3V_AUX[A/B]
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
Current Limit Response Time
for 3.3V and 5V Outputs, Figure 2
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
t_OFF(12)
12V Current Limit Response
Figure 3
12V_OUT[A/B] = 0V, Note 5
t_OFF(12M)
–12V Current Limit Response
Figure 3
12MV_OUT[A/B] = 0V, Note 5
Micrel
Min Typ Max Units
0.8
V
0.4
V
2.1
V
40
kΩ
±5
µA
±5
µA
140
°C
130
°C
160
°C
150
°C
500 mΩ
2
Ω
400 mΩ
50
mV
–50
mV
50
mV
0.52 1.0
1.5
A
–0.11 –0.2 –0.3
A
1.0 2.15 3.0
A
–0.20 –0.45 –0.6
A
0.84
A
I_MAX = V_STBY / R_DS(AUX)
A
0.375 0.7 1.35
A
1600
Ω
600
Ω
150
Ω
150
Ω
430
Ω
1
µs
33
µs
1
µs
1
µs
MIC2590B
8
August 2002