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MAX5901LBEUT+T

Description
hot swap voltage controllers 100v- hot-swap controller
CategoryPower/power management    The power supply circuit   
File Size287KB,14 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX5901LBEUT+T Overview

hot swap voltage controllers 100v- hot-swap controller

MAX5901LBEUT+T Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeSOIC
package instructionLSSOP, TSOP6,.11,37
Contacts6
Reach Compliance Codecompli
ECCN codeEAR99
Other featuresIT OPERATES FROM A -9V TO -100V NEGATIVE SUPPLY
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G6
JESD-609 codee2
length2.9 mm
Humidity sensitivity level1
Nominal Negative Supply Voltage (Vsup)-48 V
Number of channels1
Number of functions1
Number of terminals6
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Encapsulate equivalent codeTSOP6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply-48 V
Certification statusNot Qualified
Maximum seat height1.45 mm
Maximum supply current (Isup)1.3 mA
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Silver (Sn/Ag)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width1.625 mm
19-2077; Rev 5; 1/07
-100V, SOT23/TDFN, Simple Swapper
Hot-Swap Controllers
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.
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
MAX5900/MAX5901
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
U6F-6
U6F-6
MAX5900_
_EUT+T* -40°C to +85°C 6 SOT23-6
MAX5900_ _ETT+T*
MAX5901_ _ETT+T*
MAX5901_
_EUT+T* -40°C to +85°C 6 SOT23-6
-40°C to +85°C 6 TDFN-EP** T633-2
-40°C to +85°C 6 TDFN-EP** T633-2
_________________________Applications
Telecom Line Cards
Network
Requires No External Sense Resistor
Switches
Network Routers
Servers
Base-Station Line
Cards
*For
specific part numbers, see Selector Guide at end of data
sheet.
+Denotes
lead-free package.
**EP
= Exposed pad.
Pin Configurations
TOP VIEW
V
EE
1
6
ON/OFF
Typical Operating Circuits
BACKPLANE CIRCUIT CARD
GND
HOT-SWAP CONTROLLER
V
1
+
MAX5900
GND
ON/OFF
V
EE
PGOOD
DRAIN
GATE
V
1
-
LUCENT
JWO50A1
ON/OFF
50W ISOLATED
POWER SUPPLY
DRAIN
2
MAX5900
MAX5901
5
PGOOD (PGOOD)
GATE
3
4
GND
SOT23
( ) ARE FOR MAX5901 ONLY.
Pin Configurations continued at end of data sheet.
Typical Operating Circuits continued at end of data sheet.
Simple Swapper is a trademark of Maxim Integrated Products, Inc.
-48V
FUSE
IRF540NS
________________________________________________________________
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.
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