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MAX5900ACEUT-T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX5900ACEUT-T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 14 page General Description 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. 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. 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. 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. _________________________Applications ♦ Requires No External Sense Resistor Features ♦ Wide -9V to -100V Operation ♦ Requires No External Sense Resistor ♦ Drives External N-Channel MOSFET ♦ Limits Inrush Current ♦ Circuit-Breaker Function ♦ Less than 1mA Quiescent Current ♦ 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 -100V, SOT23/TDFN, Simple Swapper Hot-Swap Controllers ________________________________________________________________ Maxim Integrated Products 1 DRAIN GND ( ) ARE FOR MAX5901 ONLY. GATE 16 ON/OFF 5 PGOOD (PGOOD) VEE MAX5900 MAX5901 SOT23 TOP VIEW 2 34 Pin Configurations MAX5900 VEE ON/OFF HOT-SWAP CONTROLLER GND -48V 50W ISOLATED POWER SUPPLY V1- ON/OFF LUCENT JWO50A1 V1+ GATE DRAIN PGOOD IRF540NS GND BACKPLANE CIRCUIT CARD FUSE Typical Operating Circuits 19-2077; Rev 5; 1/07 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. Ordering Information PART TEMP RANGE PIN- PACKAGE PKG CODE MAX5900_ _EUT+T* -40 °C to +85°C 6 SOT23-6 U6F-6 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. Typical Operating Circuits continued at end of data sheet. Simple Swapper is a trademark of Maxim Integrated Products, Inc. Telecom Line Cards Network Routers Base-Station Line Cards Network Switches Servers Pin Configurations continued at end of data sheet. |
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