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MAX5901AAETT-T Datasheet(PDF) 1 Page - Maxim Integrated Products

Part # MAX5901AAETT-T
Description  -100V, SOT23/TDFN, Simple Swapper Hot-Swap Controllers
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX5901AAETT-T Datasheet(HTML) 1 Page - Maxim Integrated Products

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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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