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| 型号： | MAX5903NNETT+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/14页 |
| 文件大小： | 333K |
| 描述： | IC HOT-SWAP CONTROLLER 6-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | Simple Swapper™ |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 9 V ~ 72 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WDFN 裸露焊盘 |
| 供应商设备封装： | 6-TDFN 裸露焊盘（3x3） |
| 包装： | 带卷 (TR) |
+72V, SOT23/TDFN, Simple Swapper Hot-Swap
Controllers
________________________________________________________________ Maxim Integrated Products 1
19-1988; Rev 3; 1/07
General Description
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-sup-
ply 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 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 MAX5902/MAX5903 pro-
vide overcurrent protection by monitoring the voltage
drop across the external MOSFETs on-resistance.
The MAX5902/MAX5903 include an undervoltage lock-
out (UVLO) function, ON/OFF control input, and a
power-good status output, PGOOD (MAX5902) or
PGOOD (MAX5903). A built-in thermal shutdown fea-
ture 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 pack-
ages, and are specified for the extended -40癈 to +85癈
temperature range. For specific ordering information, see
the Selector Guide at the end of the data sheet.
Applications
Network Routers
Servers
Network Switches
RAID
Base Station Line
Industrial Systems
Cards
Features
f Wide +9V to +72V Operation
f Requires No External Sense Resistor
f Drives External p-Channel MOSFET
f Limits Inrush Current
f Circuit-Breaker Function
f Less than 2mA Quiescent Current
f ON/OFF Input Permits Load Power-Supply
Control and Sequencing
f Adjustable Undervoltage Lockout
f Power-Good Output with +72V Rating
f Latching or Automatic Retry Fault Management
f Thermal Shutdown Helps Protect the External
MOSFET
f Available in Two Small Packages
6-Pin TDFN and SOT23
Ordering Information
PART
TEMP RAN E
PIN-
PACKAGE
PKG
DE
MAX
2 E T-T+* -40?/SPAN>C to +85?/SPAN>C 6 SOT23-6
F+
MAX
2 ETT-T+* -40癈 to +85癈 6 TDFN-6
T
+2
MAX
E T-T+* -40癈 to +85癈 6 SOT23-6
F+
MAX
ETT-T+* -40癈 to +85癈 6 TDFN-6
T
+2
*For specific part numbers see the Selector Guide at end of
data sheet.
+Denotes lead-free package.
GND
1
6 ON/OFF
5 PGOOD (PGOOD)
V
S
MAX5902
MAX5903
SOT23-6
TOP VIEW
( ) ARE FOR MAX5903 ONLY.
2
3
4
DRAIN
GATE
Pin Configurations
Typical Operating Circuits
GND
ON/OFF
HOT-SWAP CONTROLLER
V
S
GND
50W ISOLATED
POWER SUPPLY
V
IN
(-)
ON/OFF
LUCENT
JW050A1
V
IN
(+)
GATE
DRAIN
PGOOD
+48V
BACKPLANE CIRCUIT CARD
IRFR5410
MAX5902
Simple Swapper is a trademark of Maxim Integrated Products, Inc.
Pin Configurations continued at end of data sheet.
Typical Operating Circuits continued at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxims website at www.maxim-ic.com.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5903NNEUT | 制造商:Maxim Integrated Products 功能描述:SIMPLE SWAPPER HOT-SWAP SWITCHES - Rail/Tube |
| MAX5903NNEUT+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX5903NNEUT+T | 功能描述:热插拔功率分布 72V Hot-Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5903NNEUT-T | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5904ESA | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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