MIC2593 Micrel Semiconductor, MIC2593 Datasheet - Page 9

• Manufacturer Part Number: MIC2593
• Description: Dual-Slot PCI Hot Plug Controller
• Manufacturer: Micrel Semiconductor

Electrical Characteristics (continued)
Symbol
I
I
I
R
R
R
R
R
t
t
t
t
t
t
t
t
t
SMBus Timing
t
t
t
t
t
Notes:
8.
9.
April 2004
MIC2593
PROP(3VFAULT)
PROP(5VFAULT)
AUX(THRESH)
SC(TRAN)
LIM(AUX)
OFF(3V)
OFF(5V)
SC(TRAN)
OFF(12V)
OFF(12MV)
W
POR
1
2
3
4
5
DIS(12V)
DIS(12MV)
DIS(3V)
DIS(5V)
DIS (VAUX)
Specification for packaged product only.
Parameters guaranteed by design. Not 100% production tested.
Parameter
Auxiliary Output Current Limit Threshold Current which must be drawn from V
Figure 4
Maximum Transient Short Circuit Current
Regulated Current after Transient
Output Discharge Resistance
12VOUT[A/B]
12MVOUT[A/B]
3VOUT[A/B]
5VOUT[A/B]
VAUX[A/B]
Current Limit Response Time
for 3.3V and 5V Outputs, Figure 2
V
Figure 5
12V Current Limit Response,
Figure 3
–12V Current Limit Response,
Figure 3
Delay from 3V[A/B] Overcurrent Limit MIC2593-2
to FAULT Output
Delay from 5V[A/B] Overcurrent Limit MIC2593-2
to FAULT Output
ON[A/B], AUXEN[A/B] Pulse Width
MIC2593 Power-On Reset Time
after V
SCL (Clock) Period
Data In Set-Up Time to SCL HIGH
Data Out Stable After SCL LOW
Data LOW Set-Up Time to
SCL LOW
Data HIGH Hold Time After
SCL HIGH
(9)
AUX
Current Limiter Response Time, V
STBY
becomes valid
Condition
to register as a fault
V
From end of I
12V
12MV
3V
5V
V
MIC2593-2
C
V
12V
12MV
V
C
V
C
Note 9
Note 9
Figure 1
Figure 1
Figure 1
Start Condition, Figure 1
Stop Condition, Figure 1
AUX
AUX[A/B]
IN
AUX[A/B]
SENSE
SENSE
GATE
FILTER
FILTER
OUT[A/B]
OUT[A/B]
(8)
– V
OUT[A/B]
OUT[A/B]
Enabled, then Grounded
OUT[A/B]
OUT[A/B]
= 10nF,
SENSE
– V
– V
= 0
= 0
= 1.65V
= 0V
= 1.65V
= 2.5V
THLIMIT
THLIMIT
= 6.0V
= 0V
9
SC(TRAN)
= 200mV
= –6.0V
= 0V
(9)
(9)
(9)
= 200mV
= 200mV
to C
FILTER
Time Out
AUX
I
0.375
MAX
Min
100
300
100
100
2.5
= V
STBY
1600
0.84
Typ
600
150
150
430
100
500
0.7
33
1
1
1
1
1
/ R
DS(AUX)
Max
1.35
M9999-042204
Micrel
Units
ns
ns
ns
ns
ns
A
A
A
s
s
s
s
s
s
s
s