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參數(shù)資料
| 型號： | MCZ34652EF |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 2.0 A Negative Voltage Hot Swap Controller with Enhanced Programmability |
| 中文描述： | 2.0負(fù)電壓熱插拔控制器與可編程性增強 |
| 文件頁數(shù)： | 1/26頁 |
| 文件大?。?/td> | 647K |
| 代理商： | MCZ34652EF |
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Document Number: MC34652
Rev. 8.0, 2/2007
Freescale Semiconductor
Advance Information
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
Freescale Semiconductor, Inc., 2007. All rights reserved.
2.0 A Negative Voltage Hot
Swap Controller with Enhanced
Programmability
The 34652 is a highly integrated - 48 V hot swap controller with an
internal Power MOSFET. It provides the means to safely install and
remove boards from live - 48 V backplanes without having to power
down the entire system. It regulates the inrush current, from the
supply to the load’s filter capacitor, to a user-programmable limit,
allowing the system to safely stabilize. A disable function allows the
user to disable the 34652 manually or through a microprocessor and
safely disconnect the load from the main power line.
The 34652 has active high and active low power good output
signals that can be used to directly enable a power module load.
Programmable under- and overvoltage detection circuitry monitors
the input voltage to check that it is within its operating range.
A programmable start-up delay timer ensures that it is safe to turn on
the Power MOSFET and charge the load capacitor.
A two-level current limit approach to controlling the inrush current
and switching on the load limits the peak power dissipation in the
Power MOSFET. Both current limits are user programmable.
Features
Integrated Power MOSFET and Control IC in a Small Outline
Package
Input Voltage Operation Range from -15 V to - 80 V
Programmable Overcurrent Limit with Auto Retry
Programmable Charging Current Limit Independent of Load
Capacitor
Programmable Start-Up and Retry Delay Timer
Programmable Overvoltage and Undervoltage Detection
Active High and Low Power Good Output Signals
Thermal Shutdown
Pb-Free Packaging Designated by Suffix Code EF
Figure 1. 34652 Simplified Application Diagram
HOT SWAP
34652
ORDERING INFORMATION
Device
Temperature
Range (T
A
)
Package
MC34652EF/ R2
- 40°C to 85°C
16 SOICN
MCZ34652EF/ R2
SCALE 2:1
EF SUFFIX (PB-Free)
98ASB42566B
16-PIN SOICN
34652
DISABLE
VPWR
UV
OV
ICHG
ILIM
VIN
VOUT
PG
PG
TIMER
GND
-48 V
System
Power
Supply
(Backplane)
Optional
External
Components
Optional
External
Components
Load
Application
Dependent
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCZ34652EFR2 | 功能描述:熱插拔功率分布 Hot Swap Controllor 2.0 Neg Vltg RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MCZ34652EFR2SCALE | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:2.0 A Negative Voltage Hot Swap Controller with Enhanced Programmability |
| MCZ34653EF | 功能描述:熱插拔功率分布 Hot Swap Controller 1.0 Neg Vltg RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MCZ34653EF/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:1.0 A Negative Voltage Hot Swap Controller |
| MCZ34653EFR2 | 功能描述:熱插拔功率分布 Hot Swap Controller 1.0 Neg Vltg RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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