參數(shù)資料
型號(hào)： MAX5903AAEUT
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： Analog IC
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封裝： SOT-23, 6 PIN
文件頁(yè)數(shù)： 1/11頁(yè)
文件大小： 266K
代理商： MAX5903AAEUT
M
-100V SOT23 Simple Swapper Hot-Swap
Controllers
________________________________________________________________
Maxim Integrated Products
1
19-1988; Rev 0; 3/01
General Description
The MAX5900/MAX5901 are SOT23 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 overcur-
rent protection. During startup the circuit breaker func-
tion is disabled and the MAX5900/MAX5901 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
MAX5900/MAX5901 provide overcurrent protection by
monitoring the voltage drop across the external MOS-
FET’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 fea-
ture is also included to protect the external MOSFET in
case of overheating.
The MAX5900/MAX5901 offer latched or auto-retry fault
management and are available with 200mV, 300mV or
400mV circuit breaker thresholds. Both the MAX5900
and MAX5901 are available in small SOT23 packages,
and are specified for the extended -40°C to +85°C tem-
perature range. For specific ordering information refer
to the
Selector Guide
at the end of the data sheet.
Applications
Network Switches
Servers
Telecom Line Cards
Network Routers
Base Station Line
Cards
Features
o
Wide -9V to -100V Operation
o
Requires No External Sense Resistor
o
Drives External N-Channel MOSFET
o
Limits Inrush Current
o
Circuit Breaker Function
o
Less than 1mA Quiescent Current
o
ON/
OFF
Input Permits Load Power-Supply
Control and Sequencing
o
Adjustable Undervoltage Lockout
o
Power-Good Output with 100V Rating
o
Latching or Automatic Retry Fault Management
o
Thermal Shutdown Helps Protect the External
MOSFET
o
Space-Saving SOT23-6 Package
Ordering Information
PART
TEMP. RANGE
-40
°
C to +85
°
C
-40
°
C to +85
°
C
PIN-PACKAGE
6 SOT23
6 SOT23
MAX5900
_ _EUT*
MAX5901
_ _EUT*
*For specific part numbers see Selector Guide at end of data
sheet.
GND
1
6
ON/OFF
5
PGOOD (PGOOD)
V
EE
MAX5900
MAX5901
SOT23-6
TOP VIEW
( ) ARE FOR MAX5901 ONLY.
2
3
4
DRAIN
GATE
Pin Configuration
Simple Swapper is a trademark of Maxim Integrated Products Inc.
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.
Typical Operating Circuits continued at end of data sheet.
Typical Operating Circuits
HOT-SWAP CONTROLLER
V
EE
GND
MAX5900
ON/OFF
GATE
PGOOD
DRAIN
ON/OFF
V
I
-
V
I
+
LUCENT
JW050A1
FUSE
GND
-48V
50W ISOLATED
POWER SUPPLY
CIRCUIT CARD
BACKPLANE
IRF540NS
相關(guān)PDF資料
PDF描述
MAX5903ABEUT Analog IC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5903AAEUT+ 制造商:Maxim Integrated Products 功能描述:HOT SWAP CNTRLR 6PIN SOT-23 - Rail/Tube
MAX5903AAEUT+T 功能描述:熱插拔功率分布 72V Hot-Swap Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5903AAEUT-T 功能描述:熱插拔功率分布 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5903ABETT 制造商:Maxim Integrated Products 功能描述:SIMPLE SWAPPER HOT-SWAP SWITCHES - Rail/Tube
MAX5903ABETT+ 制造商:Maxim Integrated Products 功能描述:SIMPLE SWAPPER HOT-SWAP SWITCHES - Rail/Tube
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