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參數資料
| 型號： | MCZ34653EF |
| 廠商： | Freescale Semiconductor |
| 文件頁數： | 1/24頁 |
| 文件大?。?/td> | 1649K |
| 描述： | IC HOTSWAP CTRLR 1A NEG 8-SOIC |
| 標準包裝： | 98 |
| 類型： | 熱交換開關 |
| 應用： | 通用 |
| 內部開關： | 是 |
| 電流限制： | 1A |
| 電源電壓： | 36 V ~ 80 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SOICN |
| 包裝： | 管件 |
Document Number: MC34653
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.
rchived by Freescale Semiconductor, Inc., 2008
1.0 A Negative Voltage Hot
Swap Controller
The 34653 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 loads filter capacitor, to a user-programmable limit,
allowing the system to safely stabilize. A disable function allows the
user to disable the 34653 manually or through a microprocessor and
safely disconnect the load from the main power line.
The 34653 has active high and active low power good output
signals that can be used to directly enable a power module load.
Undervoltage and overvoltage detection circuitry monitors the input
voltage to check that it is within its operating range. A 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 - 39 V to - 74 V
" Programmable Overcurrent Limit with Auto Retry
" Programmable Charging Current Limit Independent of Load
Capacitor
" Start-Up and Retry Delay Timer
" Overvoltage and Undervoltage Detection
" Active High and Low Power Good Output Signals
" Thermal Shutdown
" Pb-Free Packaging Designated by Suffix Code EF
Figure 1. 34653 Simplified Application Diagram
HOT SWAP
34653
ORDERING INFORMATION
Device
Temperature
Range (T
A
)
Package
MCZ34653EF/ R2
- 40癈 to 85癈
8 SOICN
MC34653EF/ R2
EF SUFFIX (Pb-Free)
98ASB42564B
8-PIN SOICN
34653
DISABLE
VPWR
ILIM
VIN
VOUT
PG
PG
ICHG
GND
-48 V
System
Power
Supply
(Backplane)
Optional
External
Components
Optional
External
Components
Load
Application
Dependent
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MCZ34670EG | 功能描述:熱插拔功率分布 POWER OVER ETHERNET RoHS:否 制造商:Texas Instruments 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MCZ34670EG/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:IEEE 802.3af PD With Current Mode Switching Regulator |
| MCZ34670EGR2 | 功能描述:熱插拔功率分布 POWER OVER ETHERNET RoHS:否 制造商:Texas Instruments 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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