參數(shù)資料
型號: MIC2580
廠商: Micrel Semiconductor,Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Hot-Swap PCI Power Controller(熱交換PCI功率控制器)
中文描述: 熱插拔PCI電源控制器(熱交換的PCI功率控制器)
文件頁數(shù): 5/24頁
文件大?。?/td> 288K
代理商: MIC2580
July 2000
5
MIC2580
MIC2580
Micrel
Symbol
Parameter
Condition
Min
Typ
Max
Units
V
OL
Output-Low Voltage
(/PWRGD, /FAULT, /POR,
EPWRGD, /LPCIRST)
I
OL
= 2mA
0.4
V
T
OV
Overtemperature Shutdown
Threshold
T
J
increasing
T
J
decreasing
during turn-on
170
C
160
C
I
CRST
I
CSTART
I
CSLEW
R
DS(on)12
R
DS(on)M12
CRST Charge Current
9
11.5
μ
A
CSTART Charge Current
during turn-on
9
11.5
μ
A
CSLEW Charge Current
during turn-on
30
39
45
μ
A
Output MOSFET Resistance
+12V internal MOSFET, I
DS
= 500mA
12V internal MOSFET, I
DS
= 200mA
+12V internal MOSFET
450
600
m
430
600
m
Output MOSFET Leakage
100
100
μ
A
12V internal MOSFET
0
300
μ
A
V
CLTH
Current Limit Threshold Voltage
V
5VIN
V
5VSENSE
V
3VIN
V
3VSENSE
+12V internal MOSFET, ramped load
40
50
60
mV
45
50
65
mV
I
LIM12
I
LIM12M
Current-Limit
Threshold
1.0
1.3
1.5
A
12V internal MOSFET, ramped load
0.4
0.5
0.7
A
Short-Circuit Current
+12V internal MOSFET, V
OUT
= 0V
12V internal MOSFET, V
OUT
= 0V
140
170
mA
mA
V
POR(thr)
V
PCH
Power-On Reset Threshold Voltage
2.4
V
Precharge Bias Supply
MIC2580-1.0, I
PCH
= 10mA
MIC2580-1.6, I
PCH
= 10mA
0.8
1.0
1.2
V
1.28
1.6
1.92
V
V
START
AC Parameters
Start-up Threshold Voltage
2.4
V
t
GOOD
Early Power-Good
Response Low
See
Figure 4
200
ns
t
/GOOD
Early Power-Good
Response High
See
Figure 4
100
ns
Undervoltage to Power-Good Delay
20
μ
s
Current-limit to Fault Delay
20
μ
s
+5V Current-Limit-to-Off Delay
Note 4
V
SENSE
= 10m
7
μ
s
+3.3V Current-Limit-to-Off Delay
Note 4
V
SENSE
= 10m
7
μ
s
+12V Current-Limit-to-Off Delay
Note 4
+12V
25
μ
s
12V Current-Limit-to-Off Delay
Note 4
12V
25
μ
s
Note 1.
Note 2.
Note 3.
Note 4.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
Off refers to the condition in which the circuit breaker turns all outputs off.
相關(guān)PDF資料
PDF描述
MIC2588 Single-Channel, Negative High-Voltage Hot Swap Power Controllers
MIC2588-1BM Single-Channel, Negative High-Voltage Hot Swap Power Controllers
MIC2588-2BM Single-Channel, Negative High-Voltage Hot Swap Power Controllers
MIC2594 Single-Channel, Negative High-Voltage Hot Swap Power Controllers
MIC2594-1BM Single-Channel, Negative High-Voltage Hot Swap Power Controllers
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