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MIC2590B-2YTQ Datasheet(PDF) 8 Page - Micrel Semiconductor

Part No. MIC2590B-2YTQ
Description  Dual-Slot PCI Hot Plug Controller
Download  23 Pages
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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MIC2590B-2YTQ Datasheet(HTML) 8 Page - Micrel Semiconductor

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Micrel, Inc.
MIC2590B
September 2008
8
M9999-091808
Symbol
Parameter
Condition
Min
Typ
Max
Units
ILIM(AUX)
Regulated Current after Transient
From end of ISC(TRAN) to CFILTER
Time Out
0.375
0.7
1.35
A
RDISCH
R(12V)
R(12MV)
R(3V)
R(5V)
R(3VAUX)
Output Discharge Resistance
12VOUT[A/B]
12MVOUT[A/B]
3VOUT[A/B]
5VOUT[A/B]
3VAUX[A/B]
12VOUT[A/B] = 6.0V
12MVOUT[A/B] = –6.0V
3VOUT[A/B] = 1.65V
5MVOUT[A/B] = 2.5V
5VOUT[A/B] = 1.65V
1600
600
150
150
430
tOFF(3)
tOFF(5)
Current Limit Response Time for 3.3V
and 5V Outputs, Figure 2
MIC2590B-2 with CGATE = 10nF,
VIN – VSENSE = 200mV
1
µs
TSC(TRAN)
VAUX Current Limiter Response Time,
Figure 5
VAUX[A/B] = 0V, Note 5
33
µs
tOFF(12)
12V Current Limit Response Time,
Figure 3
12VOUT[A/B] = 0V, Note 5
1
µs
tOFF(12M)
–12V Current Limit Response Time,
Figure 3
12MVOUT[A/B] = 0V, Note 5
1
µs
TPROP(3VFAULT)
Delay from 3V[A/B] overcurrent-limit to
FAULT Output
MIC2590B-2, VSENSE – VTHLIMIT =
200mV, CFILTER = open
1
µs
TPROP(5VFAULT)
Delay from 5V[A/B] overcurrent-limit to
FAULT Output
MIC2590B-2, VSENSE – VTHLIMIT =
200mV, CFILTER = open
1
µs
tW
ON[A/B], AUXEN[A/B] Pulse Width
Note 5
100
ns
tPOR
MIC2590B Power-On Reset Time after
VSTBY becomes valid
Note 5
500
µs
8-Bit Analog to Digital Converter
Total Unadjusted Error Voltage,
All Outputs
Current, 3VOUT[A/B]/5VOUT [A/B]
Current, VAUX[A/B], 12VOUT[A/B],
12MVOUT [A/B]
Measured as voltage across
corresponding external RSENSE
–3
–3
±3
+3
+3
%
%
%
tCONV
Conversion Time
60
100
ms
VAUXA
VAUXB
Resolution Specifications:
Full Scale Voltage
LSB of Voltage
Full Scale Current
LSB of Current
3.85
15.1
375
1.47
V
mV
mA
mA
3VOUTA
3VOUTB
Full Scale Voltage
LSB of Voltage
Full Scale Current
LSB of Current
External RSENSE = 6.00mΩ
3.85
15.1
11.6
45.5
V
mV
A
mA
5VOUTA
5VOUTB
Full Scale Voltage
LSB of Voltage
Full Scale Current
LSB of Current
External RSENSE = 6.00mΩ
5.89
23.1
6.96
27.3
V
mV
A
mA


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