參數(shù)資料
型號: MIC2593
廠商: 意法半導(dǎo)體
英文描述: Dual-Slot PCI Hot Plug Controller
中文描述: 雙插槽的PCI熱插拔控制器
文件頁數(shù): 9/26頁
文件大?。?/td> 170K
代理商: MIC2593
April 2004
9
M9999-042204
MIC2593
Electrical Characteristics (continued)
(8)
Micrel
Symbol
Parameter
Condition
Min
Typ
Max
Units
I
AUX(THRESH)
Auxiliary Output Current Limit Threshold
Figure 4
Current which must be drawn from V
AUX
to register as a fault
0.84
A
I
SC(TRAN)
I
LIM(AUX)
Maximum Transient Short Circuit Current
V
AUX
Enabled, then Grounded
From end of I
SC(TRAN)
to C
FILTER
Time Out
I
MAX
= V
STBY
/ R
DS(AUX)
0.375
0.7
A
Regulated Current after Transient
1.35
A
Output Discharge Resistance
12VOUT[A/B]
12MVOUT[A/B]
3VOUT[A/B]
5VOUT[A/B]
VAUX[A/B]
R
DIS(12V)
R
DIS(12MV)
R
DIS(3V)
R
DIS(5V)
R
DIS(VAUX)
t
OFF(3V)
t
OFF(5V)
12V
OUT[A/B]
= 6.0V
12MV
OUT[A/B]
=
6.0V
3V
OUT[A/B]
= 1.65V
5V
OUT[A/B]
= 2.5V
V
AUX[A/B]
= 1.65V
MIC2593-2
C
GATE
= 10nF,
V
IN
V
SENSE
= 200mV
1600
600
150
150
430
Current Limit Response Time
for 3.3V and 5V Outputs,
Figure 2
1
μ
s
t
SC(TRAN)
V
AUX
Current Limiter Response Time, V
AUX[A/B]
= 0V
(9)
Figure 5
33
μ
s
t
OFF(12V)
12V Current Limit Response,
Figure 3
12V
OUT[A/B]
= 0V
(9)
1
μ
s
t
OFF(12MV)
12V Current Limit Response,
Figure 3
12MV
OUT[A/B]
= 0V
(9)
1
μ
s
t
PROP(3VFAULT)
Delay from 3V[A/B] Overcurrent Limit MIC2593-2
to FAULT Output
1
μ
s
V
SENSE
V
THLIMIT
= 200mV
C
FILTER
= 0
t
PROP(5VFAULT)
Delay from 5V[A/B] Overcurrent Limit MIC2593-2
to FAULT Output
1
μ
s
V
SENSE
V
THLIMIT
= 200mV
C
FILTER
= 0
Note 9
t
W
t
POR
ON[A/B], AUXEN[A/B] Pulse Width
100
ns
MIC2593 Power-On Reset Time
after V
STBY
becomes valid
SMBus Timing
(9)
Note 9
500
μ
s
t
1
t
2
t
3
t
4
SCL (Clock) Period
Figure 1
2.5
μ
s
Data In Set-Up Time to SCL HIGH
Figure 1
100
ns
Data Out Stable After SCL LOW
Figure 1
300
ns
Data LOW Set-Up Time to
SCL LOW
Start Condition,
Figure 1
100
ns
t
5
Data HIGH Hold Time After
SCL HIGH
Stop Condition,
Figure 1
100
ns
Notes:
8.
9.
Specification for packaged product only.
Parameters guaranteed by design. Not 100% production tested.
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