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零件编号
产品描述 (功能)
MIC2592B 查看數據表(PDF) - Micrel
零件编号
产品描述 (功能)
生产厂家
MIC2592B
Dual-Slot PCI Express Hot-Plug Controller
Micrel
MIC2592B Datasheet PDF : 31 Pages
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MIC2592B
Functional Block Diagram
Micrel
12VSENSE[A/B]
12VIN[A/B]
3VSENSE[A/B]
3VIN[A/B]
50mV
50mV
ON[A/B] AUX[A/B]
Power-on
Reset
250
s
ON/OFF
12V
UVLO
VSTBY
UVLO
Bandgap
Reference
V
REF
VSTBY[A/B]
12VIN[A/B]
VAUX Charge
Pump &
MOSFET
VAUX
Overcurrent
3VIN[A/B]
12V
BIAS
12VGATE[A/B]
VAUX[A/B]
3VGATE[A/B]
CFILTER[A/B]
100mV*
100mV*
ON/OFF
Overcurrent Detection
V
STBY(REF)
I
REF
Current Mirror
3V
UVLO
ON/OFF
ON/OFF
Thermal
Shutdown
Logic Circuits
VAUX
PWRGD
V
REF
DIGITAL CORE/SERIAL INTERFACE
RFILTER[A&B]
/FORCE_ON[A/B]
GPI_[A0/B0]
RFILTER[A&B]
OPEN PIN
DETECTOR
V
STBY(REF)
40k
3
* MIC2592B-3BTQ fast threshold is 150mV
MIC2592B-5BTQ fast threshold is disabled
Contact factory for availabilty
SCL SDA
MIC2592B Block Diagram
A2 A1 A0
/PWRGD[A/B]
/FAULT[A/B]
12VPWRGD
V
REF
3VPWRGD
V
REF
12VOUT[A/B]
3VOUT[A/B]
/INT
GND
March 2005
15
M9999-033105
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