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參數(shù)資料
| 型號： | MAX5920AESA+T |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 310K |
| 描述： | IC HOT-SWAP CTRLR -48V 8-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 熱交換控制器 |
| 應(yīng)用： | 通用 |
| 內(nèi)部開關(guān)： | 無 |
| 電源電壓： | -20 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(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
General Description
The MAX5920A/MAX5920B are hot-swap controllers that
allow a circuit card to be safely hot plugged into a live
backplane. The MAX5920A/MAX5920B operate from
-20V to -80V and are well-suited for -48V power systems.
These devices are pin and function compatible with the
LT4250 and pin compatible with the LT1640.
The MAX5920A/MAX5920B provide a controlled turn-on
to circuit cards preventing glitches on the power-supply
rail and damage to board connectors and components.
The MAX5920A/MAX5920B provide undervoltage, over-
voltage, and overcurrent protection. These devices
ensure the input voltage is stable and within tolerance
before applying power to the load.
Both the MAX5920A and MAX5920B protect a system
against overcurrent and short-circuit conditions by turn-
ing off the external MOSFET in the event of a fault con-
dition. The MAX5920A/MAX5920B also provide
protection against input voltage steps. During an input
voltage step, the MAX5920A/MAX5920B limit the cur-
rent drawn by the load to a safe level without turning off
power to the load.
Both devices feature an open-drain power-good status
output (PWRGD for the MAX5920A or PWRGD for the
MAX5920B) that can be used to enable downstream
converters. A built-in thermal-shutdown feature is also
included to protect the external MOSFET in case of
overheating.
The MAX5920A/MAX5920B are available in an 8-pin SO
package. Both devices are specified for the extended
-40癈 to +85癈 temperature range.
Applications
Telecom Line Cards
Network Switches/Routers
Central-Office Line Cards
Server Line Cards
Base-Station Line Cards
Features
o Allows Safe Board Insertion and Removal
from a Live -48V Backplane
o Pin- and Function-Compatible with LT4250L
(MAX5920A)
o Pin-Compatible with LT1640L (MAX5920A)
o Pin- and Function-Compatible with LT4250H
(MAX5920B)
o Pin-Compatible with LT1640H (MAX5920B)
o Circuit-Breaker Immunity to Input Voltage Steps
and Current Spikes
o Withstands -100V Input Transients with No
External Components
o Programmable Inrush and Short-Circuit Current
Limits
o Operates from -20V to -80V
o Programmable Overvoltage Protection
o Programmable Undervoltage Lockout
o Powers Up into a Shorted Load
o Power-Good Control Output
o Thermal Shutdown Protects External MOSFET
-48V Hot-Swap Controller
with External R
SENSE
________________________________________________________________ Maxim Integrated Products 1
GATE
SENSE
V
EE
1
2
8
7
V
DD
DRAIN
OV
UV
PWRGD
(PWRGD)
SO
TOP VIEW
3
4
6
5
MAX5920A
MAX5920B
( ) FOR MAX5920B.
Pin Configuration
Ordering Information
19-2931; Rev 0; 8/03
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxims website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-PACKAGE
MAX5920AESA
-40癈 to +85癈
8 SO
MAX5920BESA
-40癈 to +85癈
8 SO
Typical Operating Circuit and Selector Guide appear at end
of data sheet.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5920BESA | 功能描述:熱插拔功率分布 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 |
| MAX5920BESA+ | 功能描述:熱插拔功率分布 48V- Hot-Swap Controller 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 |
| MAX5920BESA+T | 功能描述:熱插拔功率分布 48V- Hot-Swap Controller 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 |
| MAX5920BESA-T | 功能描述:熱插拔功率分布 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 |
| MAX5920CESA | 功能描述:熱插拔功率分布 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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