MAX5903:+72V、SOT23/TDFN封装、Simple Swapper热插拔控制器

The MAX5902/MAX5903 are hot-swap controllers 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 +72V and provide the simplest hot-swap solution by eliminating all external components except the external p-channel MOSFET. The MAX5902/MAX5903 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 MAX5902/MAX5903 limit the inrush current by gradually turning on the external MOSFET. Once the external MOSFET is fully enhanced, the circuit-breaker function is enabled and the MAX5902/MAX5903 provide overcurrent protection by monitoring the voltage drop across the external MOSFET's on-resistance. The MAX5902/MAX5903 include an undervoltage lockout (UVLO) function, ON/active-low OFF control input, and a power-good status output, active-low PGOOD (MAX5902) or PGOOD (MAX5903). A built-in thermal shutdown feature is also included to protect the external MOSFET in case of overheating. The MAX5902/MAX5903 offer latched or autoretry fault management and are available with 300mV, 400mV or 500mV circuit-breaker thresholds. Both the MAX5902 and MAX5903 are available in small SOT23 and TDFN packages, 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.

关键特性
  • Wide +9V to +72V Operation
  • Requires No External Sense Resistor
  • Drives External p-Channel MOSFET
  • Limits Inrush Current
  • Circuit-Breaker Function
  • Less than 2mA Quiescent Current
  • ON/Active-Low OFF Input Permits Load Power-Supply Control and Sequencing
  • Adjustable Undervoltage Lockout
  • Power-Good Output with +72V Rating
  • Latching or Automatic Retry Fault Management
  • Thermal Shutdown Helps Protect the External MOSFET
  • Available in Two Small Packages
    • 6-Pin TDFN and SOT23
MAX5902、MAX5903:典型工作电路
MAX5902、MAX5903:典型工作电路
应用
  • 基站线卡
  • 工业系统
  • 网络集线器、交换机和路由器
  • 网络集线器、交换机和路由器
  • RAID
  • 服务器
数据手册DataSheet
语言下载文件备注
英文MAX5902-MAX5903.pdfRev 3; 01/2007
关键参数
Part NumberVIN
(V)
VIN
(V)
Circuit Breaker/ Current LimitCircuit Breaker/Current Limit Threshold
(mV)
Fault Condition ControlChannelsPositive/Negative RailFeaturesPackage/PinsBudgetary
Price
minmaxSee Notes
MAX5902972Circuit Breaker300 to 500
  • Latched Off
  • Periodic Retry
  • Programmable
1PositiveRequires No RSENSE
  • SOT/6
  • TDFN-EP/6
$2.24 @1k
MAX5903
  • SOT/6
  • TDFN-EP/6
技术资料
质量和环境数据
订购型号
型号状况推荐替代产品封装温度RoHS/无铅
MAX5903AAETT+生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903AAETT+T生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903AAETT-T停止供货MAX5903AAETT+TTDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:否
MAX5903AAEUT生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:否
MAX5903AAEUT+生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903AAEUT+T生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903AAEUT-T生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:否
MAX5903ABETT+生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903ABETT+T生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903ABETT-T停止供货MAX5903ABETT+TTDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:否
型号状况推荐替代产品封装:类型 引脚 占位面积封装图 编码/变更 *温度RoHS/无铅?
MAX5903ABEUT停止供货MAX5903ABEUT+SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:否
MAX5903ABEUT+生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903ABEUT+T生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903ABEUT-T停止供货MAX5903ABEUT+SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:否
MAX5903ACETT+生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903ACETT+T生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903ACETT-T停止供货MAX5903ACETT+TTDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:否
MAX5903ACEUT+生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903ACEUT+T生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903ACEUT-T停止供货MAX5903ACEUT+SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:否
型号状况推荐替代产品封装:类型 引脚 占位面积封装图 编码/变更 *温度RoHS/无铅?
MAX5903LAETT+生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903LAETT+T生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903LAETT-T停止供货MAX5903LAETT+TTDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:否
MAX5903LAEUT+生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903LAEUT+T生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903LAEUT-T停止供货MAX5903LAEUT+SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:否
MAX5903LBETT+生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903LBETT+T生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903LBETT-T停止供货MAX5903LBETT+TTDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:否
MAX5903LBEUT+生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
型号状况推荐替代产品封装:类型 引脚 占位面积封装图 编码/变更 *温度RoHS/无铅?
MAX5903LBEUT+T生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903LBEUT-T停止供货MAX5903LBEUT+SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:否
MAX5903LCETT+T停止供货TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903LCETT-T停止供货TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:否
MAX5903LCEUT+生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903LCEUT+T生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903LCEUT-T停止供货MAX5903LCEUT+SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:否
MAX5903NNETT+生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903NNETT+T生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903NNETT-T停止供货MAX5903NNETT+TTDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:否
型号状况推荐替代产品封装:类型 引脚 占位面积封装图 编码/变更 *温度RoHS/无铅?
MAX5903NNEUT+生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903NNEUT+T生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX5903NNEUT-T停止供货MAX5903NNEUT+SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:否
MAX5902-MAX5903.pdf MAX5903
Hot-Swap Controllers Improve Power-Supply Sequencing MAX5903
MAX5903.pdf MAX5903
MAX5902-MAX5903.pdf MAX5903