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| 型号： | TPS2398DGKRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | GREEN, PLASTIC, MSOP-8 |
| 文件页数： | 1/27页 |
| 文件大小： | 792K |
| 代理商： | TPS2398DGKRG4 |
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TPS2398
TPS2399
SLUS562A JUNE 2003 REVISED SEPTEMBER 2003
-48V HOT SWAP CONTROLLER
FOR REDUNDANT SUPPLY SYSTEMS
1
www.ti.com
FEATURES
D Wide Input Supply Range: 36 V to 80 V
D Transient Rating to 100 V
D Improved Transient Response
D Enable Input (EN)
D Programmable Current Limit
D Programmable Current Slew Rate
D Fault Timer to Eliminate Nuisance Trips
D Open-Drain Power Good Output (PG)
D 8-Pin MSOP Package
APPLICATIONS
D 48-V Distributed Power Systems
D Redundant Negative Voltage Supplies
D Central Office Switching
DESCRIPTION
The TPS2398 and TPS2399 integrated circuits
are hot swap power managers optimized for use
in nominal 48-V systems. For redundant-supply
systems, they incorporate an improved circuit
breaker response that provides rapid protection
from short circuits, while still enabling plug-ins to
tolerate large transients that can be generated by
the sudden switchover to a higher voltage supply.
They are designed for supply voltage ranges up to
80 V, and are rated to withstand spikes to 100 V.
In conjunction with an external N-channel FET
and sense resistor, they can be used to enable live
insertion of plug-in cards and modules in powered
systems. Both devices provide load current slew
rate
and
peak
magnitude
limiting,
easily
programmed by sense resistor value and a single-
external capacitor.
APPLICATION DIAGRAM
UDG03069
COUT
VDD
R1
0.02
1%
C1
0.047
F
R3
30 k
0.5 W
R2
100 k
1
2
8
5
RTN
EN
+
VIN
GATE
ISENS
48V_INA
TPS2398/TPS2399
3
FLTTIME
4
IRAMP
6
7
C2
3900 pF
VOUT+
VIN+
VOUT
DC/DC CONVERTER
VIN
VOUT+
VOUT
+
D1
D2
48V_INB
48V_RTN
Q1
IRF530
C3
100
F
100 V
PG
10
A
EN
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
2002, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS2398EVM | 功能描述:电源管理IC开发工具 TPS2398 Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| TPS2399D | 制造商:Texas Instruments 功能描述: |
| TPS2399DGK | 功能描述:热插拔功率分布 Simple -48V Controller w/Enable 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 |
| TPS2399DGKG4 | 功能描述:热插拔功率分布 Simple -48V Controller w/Enable 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 |
| TPS2399DGKR | 功能描述:热插拔功率分布 Simple -48V Controller w/Enable 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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