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參數(shù)資料
| 型號： | SMH4812S |
| 廠商： | Summit Microelectronics, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Distributed Power Hot-Swap Controller |
| 中文描述： | 分布式電源熱插拔控制器 |
| 文件頁數(shù)： | 2/19頁 |
| 文件大?。?/td> | 441K |
| 代理商： | SMH4812S |
2
SMH4812
Preliminary
2055 4.0 12/22/00
SUMMIT MICROELECTRONICS, Inc.
FUNCTIONAL BLOCK DIAGRAM
PROGRAMM-
ABLE
DELAY
PROGRAMM-
ABLE
DELAY
+
–
+
–
+
–
Programmable
Quick Response
Ref. Voltage
50mV
DUTY
CYCLE
TIMER
FILTER
+
–
+
–
5V
2.5V
12V
VGATE
SENSE
+
–
VDD
VSS
CBSENSE
EN/TS
PD1#
PD2#
UV
OV
ENPG
14
2.5VREF
PG#
DRAIN
SENSE
VGATE
FAULT#
5.0VREF
12VREF
2055 BD 3.0
PROGRAMM-
ABLE
SHUTDOWN
TIMER
FS#
16
3
1
4
10
8
5
9
7
2
6
11
15
13
12
50k
50k
50k
50k
The SMH4812 is designed to control hot swapping of plug-
in cards operating from a single supply, which can have an
output range from 20V to 500V. The SMH4812 hot-swap
controller provides under-voltage and over-voltage moni-
toring of the host power supply, it drives an external power
MOSFET switch that connects the supply to the load, and
it protects against over-current conditions that might dis-
rupt the host supply. When the input and output voltages
to the SMH4812 controller are within specification it pro-
DESCRIPTION
vides a Power Good logic output that may be used to
enable a DC-DC converter. Additional features of the
device include: temperature sense or master enable
input, 2.5V and 5V reference outputs for expanding moni-
tor functions, two Pin-Detect enable inputs for fault protec-
tion, and duty-cycle or latched over-current protection
modes. All of these features can be programmed by the
factory according to the user's requirements.
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| SMH4814 | Dual Feed Active-ORing Programmable Hot Swap Controller |
| SMH4814NCR00 | Dual Feed Active-ORing Programmable Hot Swap Controller |
| SMH4814NCR01 | Dual Feed Active-ORing Programmable Hot Swap Controller |
| SMH4814NCR02 | Dual Feed Active-ORing Programmable Hot Swap Controller |
| SMH4814NCR03 | Dual Feed Active-ORing Programmable Hot Swap Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SMH4814 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Dual Feed Active-ORing Programmable Hot Swap Controller |
| SMH4814NCR00 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Dual Feed Active-ORing Programmable Hot Swap Controller |
| SMH4814NCR01 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Dual Feed Active-ORing Programmable Hot Swap Controller |
| SMH4814NCR02 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Dual Feed Active-ORing Programmable Hot Swap Controller |
| SMH4814NCR03 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Dual Feed Active-ORing Programmable Hot Swap Controller |
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