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MAX5900

更新时间： 2024-09-16 14:57:31
品牌 Logo 应用领域
亚德诺 - ADI 控制器
页数 文件大小 规格书
14页 290K
描述
-100V、SOT23/TDFN封装、Simple Swapper热插拔控制器

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MAX5900 数据手册

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19-2077; Rev 5; 1/07  
-100V, SOT23/TDFN, Simple Swapper  
Hot-Swap Controllers  
General Description  
Features  
♦ Wide -9V to -100V Operation  
♦ Requires No External Sense Resistor  
♦ Drives External N-Channel MOSFET  
♦ Limits Inrush Current  
The MAX5900/MAX5901 are SOT23/TDFN hot-swap con-  
trollers that allow a circuit card to be safely hot-plugged  
into a live backplane without causing a glitch on  
the power-supply rail. These devices operate from -9V to  
-100V and provide the simplest hot-swap solution by  
eliminating all external components except an external  
n-channel MOSFET.  
♦ Circuit-Breaker Function  
♦ Less than 1mA Quiescent Current  
The MAX5900/MAX5901 limit the inrush current to the  
load and provide a circuit-breaker function for overcurrent  
protection. During startup, the circuit-breaker function is  
disabled and the MAX5900/MAX5901 limit the inrush cur-  
rent by gradually turning on the external MOSFET. Once  
the external MOSFET is fully enhanced, the circuit-break-  
er function is enabled and the MAX5900/MAX5901 pro-  
vide overcurrent protection by monitoring the voltage  
drop across the external MOSFET’s on-resistance.  
♦ ON/OFF Input Permits Load Power-Supply  
Control and Sequencing  
♦ Adjustable Undervoltage Lockout  
♦ Power-Good Output with 100V Rating  
♦ Latching or Automatic Retry Fault Management  
♦ Thermal Shutdown Helps Protect the External  
MOSFET  
♦ Space-Saving 6-Pin SOT23 and TDFN Packages  
The MAX5900/MAX5901 include an undervoltage lock-  
out (UVLO) function, ON/OFF control input, and a power-  
good status output, PGOOD (MAX5900) or PGOOD  
(MAX5901). A built-in thermal shutdown feature is also  
included to protect the external MOSFET in case of over-  
heating.  
Ordering Information  
PIN-  
PACKAGE  
PKG  
CODE  
PART  
TEMP RANGE  
MAX5900_ _EUT+T* -40°C to +85°C 6 SOT23-6  
U6F-6  
The MAX5900/MAX5901 offer latched or autoretry fault  
management and are available with 200mV, 300mV, or  
400mV circuit-breaker thresholds. Both the MAX5900 and  
MAX5901 are available in small SOT23 and TDFN pack-  
ages, and are specified for the extended -40°C to +85°C  
temperature range. For specific ordering information see  
the Selector Guide at the end of the data sheet.  
MAX5900_ _ETT+T* -40°C to +85°C 6 TDFN-EP** T633-2  
MAX5901_ _EUT+T* -40°C to +85°C 6 SOT23-6 U6F-6  
MAX5901_ _ETT+T* -40°C to +85°C 6 TDFN-EP** T633-2  
*For specific part numbers, see Selector Guide at end of data  
sheet.  
+Denotes lead-free package.  
**EP = Exposed pad.  
_________________________Applications  
Telecom Line Cards  
Network Switches  
Pin Configurations  
Network Routers  
Servers  
Base-Station Line  
Cards  
TOP VIEW  
Typical Operating Circuits  
V
1
2
3
6
5
4
ON/OFF  
EE  
50W ISOLATED  
POWER SUPPLY  
MAX5900  
MAX5901  
BACKPLANE  
GND  
CIRCUIT CARD  
DRAIN  
GATE  
PGOOD (PGOOD)  
GND  
HOT-SWAP CONTROLLER  
V +  
1
LUCENT  
MAX5900  
JWO50A1  
ON/OFF  
GND  
PGOOD  
DRAIN  
GATE  
SOT23  
ON/OFF  
( ) ARE FOR MAX5901 ONLY.  
V
EE  
V -  
1
Pin Configurations continued at end of data sheet.  
-48V  
Typical Operating Circuits continued at end of data sheet.  
IRF540NS  
FUSE  
Simple Swapper is a trademark of Maxim Integrated Products, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...14

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